Forging Resilience

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Enhancing European Grid Resilience: Navigating Geopolitical Realities and Accelerating the Decarbonized Future

Executive Summary

The April 2025 Iberian blackout, a widespread power failure that affected nearly 60 million people across Spain and Portugal for half a day, served as a profound warning, exposing critical vulnerabilities in Europe's grid infrastructure and regulatory frameworks.1 This incident underscored the urgent need for enhanced grid stability mechanisms, particularly in electricity systems increasingly reliant on variable renewable energy sources. Investigations into the blackout revealed that operational mismanagement and regulatory shortcomings, rather than renewable energy itself, were the proximate causes, highlighting a significant challenge in public understanding and communication surrounding the energy transition.3

In response, Europe is now proactively prioritizing grid flexibility, advanced energy storage solutions like Battery Energy Storage Systems (BESS), and robust cross-border interconnections.2 Innovative technologies such as grid-forming inverters and advanced power flow control are gaining traction, aiming to manage the inherent variability of renewables and increase overall system robustness.8 These efforts signify a critical shift towards proactive adaptation, recognizing that traditional grid components alone are insufficient for high-renewable penetration and that new, technologically advanced solutions are essential for maintaining system stability and inertia.

However, the energy transition, while reducing dependence on fossil fuels, introduces a new reliance on critical raw materials (CRMs) such as lithium, cobalt, and rare earth elements.11 Supply chains for these materials are highly concentrated, particularly in China, creating significant geopolitical vulnerabilities that mirror past dependencies on hydrocarbons.14 Simultaneously, Liquefied Natural Gas (LNG) remains a crucial, albeit expensive, bridging fuel for short-term energy security, leading to new potential over-reliance, particularly on the United States.17

Europe's pivot to US LNG has diversified away from Russian gas but presents a new geopolitical dilemma, exposing the continent to potential foreign policy leverage and price volatility.18 The European Union is actively investing in grid modernization and CRM security through significant funds and strategic partnerships, including the European Investment Bank's substantial commitments and the Critical Raw Materials Act.20 Nevertheless, challenges persist in the speed and efficiency of deployment, the ethical sourcing of minerals, and the reconciliation of short-term LNG dependencies with long-term decarbonization goals. Strategic recommendations emphasize accelerating smart grid technologies, diversifying CRM supply chains, carefully balancing LNG imports, streamlining investment processes, and fostering continuous innovation in energy technologies to ensure a secure, sustainable, and independent energy future for Europe.

The Evolving Landscape of European Energy Security

The Dual Imperatives: Increasing Demand and Climate Change

Europe's energy systems are currently undergoing a profound transformation, driven by the escalating impacts of climate change and a corresponding increase in electricity demand. This shift is not merely theoretical; it has manifested in tangible disruptions. For instance, record-breaking heatwaves experienced from 2023 to 2025 starkly exposed the fragility of traditional energy systems, leading to unprecedented volatility in electricity prices and demand.6 In 2025, temperatures exceeding

40∘C in Germany caused electricity prices to surge by 175% in a single week, illustrating the direct and immediate impact of climatic events on energy markets.6

This situation underscores a critical reality: climate change is no longer a distant threat but a present-day disruptor of energy markets, with far-reaching implications for economic stability and even food prices.6 The increasing demand for cooling during such heatwaves places additional stress on the grid, creating a feedback loop where higher temperatures necessitate greater energy consumption, which in turn stresses the existing infrastructure. This dynamic accelerates the imperative for grid modernization and resilience, as the current system is proving inadequate for the new climatic realities. The European Union has responded with ambitious commitments, aiming for climate-neutrality by 2050 and a binding target of 42.5% renewable energy in its gross final energy consumption by 2030.24 Achieving these goals necessitates a massive electrification across various sectors, including industry, transport, and heating, further intensifying the demands on the electricity grid.7

The 2025 Iberian Blackout: A Catalyst for Reassessment

On April 28, 2025, the Iberian Peninsula experienced an unprecedented power failure, affecting nearly 60 million people across Spain and most of Portugal.1 This incident was characterized as one of Europe's largest-ever outages, plunging cities and towns into darkness for several hours.1 The immediate societal and economic impact was severe, disrupting daily life and critical services. Commuters were stranded as trains halted and elevators stalled, while residents lost phone and internet service as traffic lights ceased to function.1 Beyond everyday inconveniences, critical infrastructure, including healthcare facilities, transportation networks, and emergency communication systems, faced serious disruptions, highlighting the cascading effects of grid failure.26

The blackout triggered intense public and media debate, with opinions often deeply polarized and widespread misinformation prevalent in the immediate aftermath.1 A significant portion of public comments analyzed (46%) contained falsehoods, with negativity and anger dominating the discourse.1 While some segments of the public and media were quick to attribute blame to renewable energy sources, official investigations definitively ruled out solar PV as the cause.3 Similarly, a targeted cyberattack was ruled out for the main grid operator.4 Instead, the Spanish government's report pinned the proximate cause to small outages concentrated in southern Spain, which set off a complicated chain reaction. This was compounded by insufficient thermal power plants online and, critically, the failure of conventional plants to adequately control voltage.4 The stark contrast between the immediate public and media narrative, which often blamed renewable energy, and the official investigative findings, which pointed to operational mismanagement and regulatory shortcomings in conventional grid control, highlights a critical challenge in public discourse surrounding the energy transition. This discrepancy underscores the vulnerability to misinformation and the pressing need for clear, evidence-based communication to foster public trust and support for necessary grid modernizations.

The 2025 Iberian Blackout: A Deep Dive into Systemic Vulnerabilities

Detailed Event Reconstruction and Proximate Causes

The widespread power outage across the Iberian Peninsula commenced precisely at 12:33:18 CEST on April 28, 2025.2 The sequence of critical failures that precipitated the blackout began just two seconds earlier, at 12:33:16, with an initial loss of generation capacity in the Spanish province of Badajoz.2 This was almost immediately followed by a second loss in the region of Seville at 12:33:18.2 These two successive events resulted in a combined loss of 2.2 GW of power within a mere 20 seconds, representing a significant and rapid reduction in available generation.2

This rapid and substantial generation loss caused the system frequency to drop below 48 Hz, a critical threshold that triggered automatic protective mechanisms across the grid.2 These mechanisms, designed to safeguard the system, led to the disconnection of the French grid from the Iberian Peninsula.2 The separation of the Iberian system from the broader European network then cascaded into a widespread generation failure, ultimately resulting in the total blackout.2

Analysis of the period preceding the blackout revealed pre-existing conditions of instability. Low-frequency oscillations, specifically around 0.2 Hz, were measured between the Iberian Peninsula and the Central European Synchronous Area (CESA) in the 30 minutes before the incident, indicating a system already operating under stress.28 The disconnection occurred when the Spanish system lagged more than

90∘, leading to instability on the transmission lines.28 Additionally, fast Rate of Change of Frequency (ROCOF) above

1.5 Hz/s was detected, a condition that can be particularly stressful on spinning turbines and indicative of low system inertia.28 This cascading failure, initiated by a relatively small localized generation loss of 2.2 GW, highlights the inherent fragility of highly interconnected synchronous grids when subjected to rapid, successive failures, often referred to as an N-3 event. The pre-existing low-frequency oscillations and high ROCOF prior to the incident indicated a system already operating near its stability limits, a condition exacerbated by the reduced mechanical inertia characteristic of grids with high variable renewable energy penetration. It is notable that similar oscillations and disconnections, though with less severe adverse effects, had occurred in December 2016 and July 2021, suggesting a persistent underlying vulnerability.28

Operational and Regulatory Shortcomings

Investigations conducted by both the Spanish government and the Spanish grid operator Red Eléctrica de España (REE) converged on the finding that the ultimate cause of the blackout was a phenomenon of overvoltages in a "chain reaction".4 This process involved high voltages causing power plant disconnections, which in turn led to further increases in voltage and subsequent disconnections, perpetuating a cycle that ultimately resulted in system collapse.4

A significant point of contention arose regarding the operational decisions leading up to the event. REE acknowledged that it did not have sufficient thermal power plants online at the time, having calculated that their operation was "not necessary" for the central hours of the day.28 However, REE's Chief of Operations, Concha Sanchez, publicly countered this, asserting that "Had conventional power plants done their job in controlling the voltage there would have been no blackout".28 This statement sparked a heated dispute, with power companies, represented by Aelec (an association of Spain's main electricity companies including Iberdrola and Endesa), angrily disputing REE's blame. Aelec contended that REE "failed to safely cover all the system's needs" and that blaming power plants while claiming REE had acted correctly was damaging to the sector's reputation.29

A crucial finding from the investigations was that solar PV was not the cause of the blackout.3 The investigations confirmed that solar PV, particularly when paired with batteries, possesses the inherent capacity to regulate voltage very quickly. However, existing regulations in Spain did not permit its application for this purpose.3 This regulatory approach in Spain contrasts with requirements in the United States, where FERC Order 827 has, for nearly a decade, mandated newly installed inverter-based resources (IBRs) to regulate voltage.4 The core vulnerability exposed by the blackout was therefore not the inherent nature of renewable energy, but rather the regulatory and operational inertia within the grid system. Regulations that prevented highly responsive inverter-based resources from providing essential grid services like voltage control and inertia forced an over-reliance on conventional plants, which then failed to perform adequately. This "regulatory lag" creates a critical mismatch between evolving generation mixes and outdated grid management protocols.

Exposed Infrastructure and Communication Fragilities

The 2025 Iberian blackout extended its impact beyond the electricity grid itself, revealing chronic vulnerabilities in critical auxiliary infrastructures, particularly Portugal's Integrated Emergency and Security Networks System (SIRESP), the state's emergency communications network.27 During the blackout, more than 75% of SIRESP base stations were affected, leading to devastating communication failures for essential services such as security forces, firefighters, and the national emergency medical service (INEM).27 For instance, in regions like the Algarve, INEM lost all communications due to power outages at base stations, and in Montalegre, firefighters reported system collapses after only 2.5 hours.27

The primary technical cause identified for SIRESP's failures was insufficient battery autonomy; the base stations were designed to operate for only six hours, while the blackout lasted over eight hours.27 Compounding this, modernization efforts were progressing at an unacceptably slow pace, with only 26.7% of the 600 base stations equipped with updated batteries at the time of the crisis.27 Further issues included fragmented management of SIRESP among multiple companies (e.g., Altice Labs, Motorola, NOS), which hindered coordination during the crisis. The lack of robust contingency plans for prolonged outages was evident in generator failures and the absence of backup power sources, such as a generator failure in Porto that shut down 108 base stations for 70 minutes.27 The Iberian blackout starkly demonstrated that grid resilience extends far beyond the electrical network itself to encompass these critical auxiliary infrastructures. Outdated equipment, insufficient maintenance, and fragmented management in these interconnected systems can amplify the societal impact of a power outage, transforming a localized electrical failure into a widespread public safety crisis.

While a targeted cyberattack was ruled out as the cause for the main grid operator, investigators did note vulnerabilities in smaller, decentralized renewable energy producers.5 These smaller actors often lack the robust cybersecurity infrastructure of larger utilities, making the system as a whole more exposed.26 This identified vulnerability in smaller, decentralized renewable energy producers, even if not the proximate cause of this specific blackout, represents a growing systemic risk. As grids become more distributed and digitized, the attack surface expands exponentially, requiring a holistic and coordinated cybersecurity strategy across all grid participants, from large Transmission System Operators (TSOs) to small-scale producers, to prevent future disruptions.

Strengthening European Grids: Current Efforts and Engineering Perspectives

Post-Blackout Policy Responses and National Initiatives

The 2025 Iberian blackout served as a critical impetus for immediate and substantial policy responses from Spain and Portugal, demonstrating a clear shift towards proactive adaptation in grid management.

Spain's Response: In direct response to the blackout, Spain unveiled a new set of grid upgrades, approving 65 new measures aimed at enhancing voltage control, system stability, and renewable capacity.30 A key measure involves the installation of synchronous compensators, with eight units planned across the mainland and two more in the Canary Islands (La Palma and Lanzarote). These electric machines do not drive mechanical loads but provide continuous regulation of reactive power, thereby controlling voltage and adding crucial inertia to the system, which helps prevent sudden spikes or drops in voltage and frequency.30 Another significant component is the deployment of a Flexible AC Transmission System (FACTS) in Catalonia, strategically located near Spain's interconnections with the rest of Europe, designed to dampen power oscillations.30 The plan also includes refurbishing and installing new reactance equipment for better distributed voltage control, expanding substations, and increasing the supply of switching relays.30 Furthermore, new infrastructure is being added to connect emergency generation systems in the Canary Islands, as part of a broader effort to improve the islands' energy security.30 Beyond these immediate responses, Red Eléctrica is actively working on projects outlined in its Network Development Plan 21-26, including the Golfo Bizkaia Interconnection with France to double exchange capacity, a second Peninsula-Balearic Islands link, and the Salto de Chira pumped-storage hydroelectric plant in the Canary Islands, vital for advancing towards a decarbonized energy model.31

Portugal's Investment: Portugal announced ambitious plans to invest €400 million (US$466 million) to strengthen and modernize its electricity grid, with part-funding from EU funds.32 This comprehensive 31-measure package includes €137 million specifically allocated to accelerate previously approved projects focused on improving the operational and control capacity of the electricity grid, enabling it to better handle complex intermittent renewable power sources like wind and solar.32 A key initiative is the launch of an auction for large-scale Battery Energy Storage System (BESS) capacity by January 2026, with a significant goal to increase Portugal's BESS capacity from its current 13 MW to 750 MW.32 An additional €25 million will provide financial support to improve the resilience of critical infrastructure, such as hospitals, by equipping them with solar PV and BESS.32 The plan also aims to create a "Green Map" with pre-approved areas for renewable power generation, streamlining authorization processes, and simplifying self-consumption projects and energy communities.32

EU-Level Responses: At the European level, a region-wide energy monitoring task force has been proposed to prevent future blackouts.34 The REGILIENCE project, funded by the European Union's Horizon 2020 research and innovation program, actively supports the EU Mission "Adaptation to Climate Change".35 This project fosters the adoption of regional climate resilience development pathways and develops, compiles, shares, and promotes tools and scientific knowledge to assist European regions in identifying and addressing their climate-related risks.35 These immediate and substantial policy responses from Spain and Portugal, particularly the focus on deploying synchronous compensators and accelerating BESS development, demonstrate a critical shift from reactive grid management to proactive adaptation. This signifies a recognition that traditional grid components alone are insufficient for high-renewable penetration and that new, technologically advanced solutions are essential for maintaining system stability and inertia.

Core Strategies for Grid Resilience

The strategic emphasis on grid flexibility, advanced energy storage, and cross-border interconnections represents a holistic paradigm shift in grid management. It acknowledges that simply adding more renewable generation capacity is insufficient; the grid itself must become intelligent, adaptive, and interconnected to effectively handle the inherent variability of renewables, manage increasing demand, and ensure overall system stability.

Enhanced Grid Flexibility: This is paramount to enable the efficient integration of large shares of variable renewable energy and to ensure a better match between supply and demand.2

• Demand-Side Management (DSM) / Demand Response (DR): These programs encourage customers to shift electricity demand to times when electricity is more plentiful or overall demand is lower, typically through price signals or monetary incentives.28 New digital technologies are pivotal in automating DR through connected devices and harnessing the growing potential of distributed energy resources (DERs) such as rooftop solar panels, electric vehicle (EV) batteries, and home energy storage systems.28

• Smart Grid Technologies: Companies like Siemens Energy and ABB are at the forefront of grid modernization, with their smart grid technologies becoming critical for managing peak loads and optimizing grid operations.6

• Virtual Power Plants (VPPs): These aggregate and manage distributed energy resources, enabling them to act as a single, larger power plant. VPPs can connect and trade energy between large-scale power plants, pool EV capacity, or monetize flexibility in smaller-scale residential use cases.36

• Bidirectional Charging (Vehicle-to-Grid, V2G): This innovative approach allows electric vehicle batteries to function as decentralized storage devices, feeding power back into the grid when needed. This concept has already proven successful in several pilot projects.7

Advanced Energy Storage Solutions: Battery storage systems are increasingly recognized as essential for grid stability, especially as the proportion of variable renewables grows.26

• Utility-scale BESS acts as a real-time shock absorber, capable of injecting or absorbing electricity in milliseconds to maintain grid frequency and voltage during disruptions.26 Spain, for instance, is projected to become a top-5 European battery market in 2025 due to the revival of its utility-scale battery segment.3

• Beyond batteries, pumped hydro and other energy storage systems can partially offset the variability and reduced inertia associated with renewables by storing excess energy during periods of abundant renewable generation and releasing it during peak demand.2

• The EU has set an ambitious 2030 target of 120 GW of storage capacity, signaling significant potential and investment opportunities in this sector.6

• Furthermore, thermal safety innovations, such as immersion cooling technology (e.g., EticaAG's solutions), are crucial to ensure that BESS remains a reliable asset, even during major disruptions like the Iberian event.26

Increased Cross-Border Interconnections: The 2025 blackout in Spain and Portugal reinforced the critical value of cross-border grid ties.6 Interconnectors played a role in stabilizing prices during the 2025 heatwave by redirecting surplus power from solar-rich regions to deficit zones.6 The EU's goal of 15% interconnection capacity by 2030 is now a strategic priority, with projects like the Iberian Peninsula's 5 GW upgrade gaining urgency.6 Portugal, currently only interconnected with Spain (with 3 GW for export and 3.6 GW for import), is actively exploring new cross-border electricity connections with the rest of Europe to enhance the stability and flexibility of its power network.32

Technological Innovations and Engineering Concerns

Engineers are acutely aware of the physics-based challenges, such as maintaining inertia and voltage stability, posed by the increasing penetration of variable renewable energy sources. Their focus on technologies like grid-forming inverters, advanced conductors, and Advanced Power Flow Control (APFC) devices demonstrates a sophisticated understanding that merely adding more renewable generation is insufficient; the grid itself must be fundamentally re-engineered to actively stabilize and optimize power flows, moving from passive reliance on synchronous machines to active, inverter-based control.

Grid-Forming Inverters (GFM): These represent a critical technological advancement for maintaining voltage and frequency regulation and improving angular stability in power systems with a high proportion of inverter-based resources.9 GFM inverters are designed to compensate for the reduced mass inertia typically provided by synchronous generators by providing "electrical or virtual inertia".9 This capability allows them to provide emergency start-up and continue operation even in the absence of traditional synchronous generators.9 While most inverters currently operate in a "grid-following" mode, discussions are actively underway to introduce obligations for GFM capabilities in new Network Codes, reflecting a recognition of their importance for future grid stability.9

Advanced Conductors and Reconductoring: Modernizing transmission lines involves replacing traditional steel cores with lighter, stronger, and more conductive materials, such as new aluminum alloys or carbon fiber composites.40 These advanced conductors can carry approximately twice as much power while significantly reducing line sag and electrical losses.42 The process of "reconductoring," which involves upgrading existing lines with these improved materials, offers a faster and substantially more cost-effective alternative (estimated to be 5-10 times cheaper per-mile) to building entirely new transmission lines, allowing utilities to leverage existing infrastructure and rights-of-way.10 An example is NanoAL Lightning's new aluminum alloy, which is reported to be 700% more conductive and 19% stronger than traditional steel cores, representing a "Goldilocks alloy" that optimally balances strength and conductivity for grid applications.41 Innovation in grid materials, such as advanced conductors, is not merely about expanding capacity but fundamentally about maximizing efficiency and reducing material intensity per unit of power transmitted. This implies that technological advancements can partially mitigate the escalating demand for raw materials by making existing infrastructure more productive and less prone to energy losses, thereby effectively "creating" capacity from existing resources.

Advanced Power Flow Control Devices (APFCs): Technologies like Smart Wires' SmartValve™ enable grid operators to dynamically control power flows and unlock latent capacity in existing networks.8 These devices can boost network capacity by 20-40% by 2040 without the need for massive new construction projects. They achieve this by redirecting power from overloaded lines to underutilized ones, ensuring more efficient use of the grid.8

Digitalization, Automation, and Real-time Monitoring: The integration of smart meters, advanced sensors, and automation technologies into the grid is fundamentally transforming how electricity systems operate.38 This digitalization enables real-time monitoring of grid conditions, optimizes grid operations, and facilitates the seamless integration of distributed energy resources, thereby significantly improving overall grid flexibility and resilience.38

Resource Dependencies: Materials, Fossil Fuels, and Supply Chain Dynamics

Essential Materials for Grid Infrastructure

The construction, expansion, and maintenance of modern electric grids necessitate a diverse array of materials, ranging from traditional components to advanced, high-performance composites.

Traditional Components: The foundational elements of most power lines are conductor systems, typically composed of a highly pure form of aluminum wrapped around a stronger, less conductive core, usually steel.41 Beyond the lines themselves, grid infrastructure requires a variety of other essential components, including transformers, power electronics, and specialized equipment such as MVDC/HVDC converter station components and switchgears.40

Advanced Materials: Modernization efforts are increasingly focused on "reconductoring" existing transmission lines. This process involves replacing the traditional conductive core with advanced materials like aluminum conductor composite core, which significantly increases carrying capacity.40 Innovative materials are also emerging, such as new aluminum alloys (e.g., NanoAL Lightning's development) that are 700% more conductive and 19% stronger than traditional steel cores.41 These alloys offer a "Goldilocks" solution, providing an optimal balance between strength and conductivity for overhead cables.41 Another promising development involves conductor systems assembled from a carbon core and an aluminum conductor, which have the potential to reduce line losses by as much as 50%.41 The drive for these advanced materials is rooted in the need for both efficient and affordable cables, especially as millions of miles of new lines will be required to build a carbon-free grid.41

Critical Raw Materials (CRMs) for the Energy Transition

The energy transition, while strategically reducing reliance on fossil fuels, fundamentally shifts the concept of "energy security" from hydrocarbon geopolitics to mineral geopolitics. This introduces a new and profound set of vulnerabilities related to the geographic concentration of extraction and processing of critical raw materials, creating potential chokepoints and geopolitical leverage for controlling nations.

Key CRMs: The European Union has identified a specific list of strategic critical raw materials that are vital for its energy transition, including cobalt, copper, lithium, graphite, nickel, and Rare Earth Elements (REEs).12

Indispensable Role: These CRMs are indispensable for the manufacturing of the foundational technologies underpinning the green transition. This includes batteries, particularly lithium-ion batteries which are projected to remain the dominant technology for at least the next decade, as well as solar panels, fuel cells, electrolysers, electric vehicles (EVs), and wind turbines.11

Increased Demand: The global shift towards a clean energy system is driving an unprecedented increase in mineral requirements. Since 2010, the average amount of minerals needed for a new unit of power generation capacity has increased by 50% due to the rising share of renewables in new investments.11 Consequently, the energy sector is rapidly emerging as a major force in global mineral markets, a significant change from its relatively small demand share prior to the mid-2010s.11

Projected Demand: Projections based on current energy policies suggest a doubling of overall mineral requirements for clean energy technologies by 2040.11 More ambitious scenarios, such as achieving the goals of the Paris Agreement (climate stabilization at "well below

2∘C global temperature rise"), would necessitate a quadrupling of mineral requirements by 2040. An even faster transition to achieve global net-zero emissions by 2050 would require six times more mineral inputs in 2040 than today.11 Specifically, demand for lithium is projected to grow 42-fold, graphite 25-fold, and cobalt 21-fold by 2040.15 The EU alone could require up to 60 times more lithium and 15 times more cobalt by 2050 to support its renewables and e-mobility sectors.15

Impact on Costs: The escalating demand and concentrated supply have a direct impact on the cost of clean energy technologies. Raw material costs now account for a substantial 50-70% of total battery costs, a notable increase from 40-50% five years ago.11 A doubling of lithium or nickel prices, for example, could induce a 6% increase in battery costs, directly affecting the affordability and widespread adoption of clean energy technologies.11

The Enduring Role of Fossil Fuels in the Transition

Despite ambitious decarbonization goals and the rapid expansion of renewables, fossil fuels, particularly natural gas in the form of Liquefied Natural Gas (LNG), remain an indispensable bridging fuel for Europe's energy security in the short to medium term. This creates a fundamental tension between the long-term vision of fossil-fuel independence and the immediate need for grid stability, supply diversification, and economic affordability, making the energy transition a complex, multi-decade balancing act.

Natural Gas Share: Natural gas currently represents approximately a quarter of the EU's overall energy consumption, with about 26% of that gas being utilized in the power generation sector, including combined heat and power plants.17 Despite the significant growth in renewable energy sources across Europe, fossil fuels continue to be the largest source of energy overall.24

Strategic Importance of LNG: Liquefied Natural Gas (LNG) has emerged as a crucial component for diversifying gas supplies and enhancing EU energy security in the short-term.17 It serves as a vital bridge fuel, providing necessary stability and supply while more sustainable, fully decarbonized solutions are established towards the 2050 climate neutrality goal.17 The EU's annual gas demand is approximately 330 bcm, with domestic production meeting only 10% of this need.17 Following the geopolitical shifts, the EU has significantly reduced pipeline gas imports from Russia, achieving a 77% reduction from 2021 to 2024, while simultaneously increasing LNG imports from other global partners.17 The EU's LNG import capacity has grown substantially, with an additional 60 bcm expected to become operational between 2025 and 2030, demonstrating a clear strategic focus on LNG as a short-term solution.17

Geopolitical Vulnerabilities and Strategic Responses in Supply Chains

Defining Geopolitical Supply Risk

Geopolitical Supply Risk refers to the potential disruptions in the flow of essential resources, goods, or services that arise from geopolitical factors, including political tensions, international conflicts, trade disagreements, and shifts in global power dynamics.44 These risks can manifest across a spectrum, from low-probability, high-impact events, such as a major war disrupting oil production, to higher-probability, moderate-impact events like trade tensions leading to increased tariffs on critical components for renewable energy technologies.44

The modern energy landscape also introduces an increasingly potent threat: cybersecurity. Critical energy infrastructure, encompassing power grids and pipelines, is becoming more vulnerable to cyberattacks, which can be perpetrated by state-sponsored or non-state actors with the intent of political or economic disruption.44 Geopolitical supply risk is not a singular threat but a complex interplay of political, economic, and increasingly, cyber factors that can cascade across global supply chains. This means that securing energy grids and the broader energy transition requires a multi-domain approach that addresses not only physical resource availability and trade relations but also digital vulnerabilities and the evolving landscape of international power dynamics.

Concentration Risks in Critical Mineral Supply Chains

China's near-monopoly over rare earth elements and critical mineral processing creates a profound strategic vulnerability for Europe, mirroring past dependencies on fossil fuels. This leverage extends beyond raw material supply to the entire value chain, enabling China to exert economic and geopolitical influence over Europe's green transition, digital innovation, and defense capabilities.

High Concentration: The global supply of Critical Raw Materials (CRMs) is often far more concentrated geographically than that of traditional fossil fuels, presenting significant risks to market stability and supply security.15 For example, the primary supply of lithium, cobalt, graphite, Rare Earth Elements (REEs), and platinum group metals is highly concentrated in a few countries.15

Geographic Monopolies: The Democratic Republic of Congo (DRC) serves as the primary global source for cobalt, a critical component in lithium-ion batteries.15 However, China holds a dominant position across the entire Rare Earth Elements (REE) sector, producing approximately 70% of the world's supply and controlling over 85% of global processing operations, including refining and alloy production.14 This means Europe is 100% dependent on China for heavy rare earths and 97% dependent for magnesium, which are vital for hybrid vehicles, fiber optics, nuclear power, aerospace, and automotive manufacturing.16

China's Strategic Leverage: China's overwhelming dominance in the REE market is not accidental; it is the result of decades of deliberate policy, including government subsidies for mining and processing, relaxed environmental regulations, strategic investments in technology, and vertical integration of supply chains.16 This comprehensive control grants China significant strategic leverage, as dramatically demonstrated by its unofficial suspension of REE exports to Japan in 2010 during a diplomatic standoff, which caused turmoil in global markets.14 China actively uses export restrictions on critical minerals to gain leverage in trade negotiations, encourage the relocation of high-tech manufacturing to China, and maintain price advantages for its domestic industries.47

Economic Implications: The inelasticity of CRM supply chains, primarily due to the long lead times required for developing new mines (typically 7-10 years, sometimes up to 15 years), coupled with a lack of market transparency, makes these markets highly vulnerable to price shocks.15 These higher mineral prices directly impact the overall cost of clean energy technologies, such as batteries, thereby affecting the affordability of the energy transition.11

Table 1: Critical Raw Materials for Energy Transition: Supply Concentration and EU Dependence

EU Strategies for Critical Raw Material Security

The EU's comprehensive CRM strategy, encompassing domestic production, recycling, and international partnerships, signifies a long-term strategic shift towards greater self-reliance and supply chain resilience. However, the inherent long lead times for developing new mines (typically 7-10 years, sometimes up to 15 years) and expanding refining capacities mean that significant vulnerability to supply disruptions and geopolitical leverage will persist in the short to medium term, creating a temporal mismatch between ambition and reality.

Diversification: The EU's strategy for critical raw material security is multi-faceted, emphasizing the diversification of CRM primary sourcing, promoting a fully circular approach to CRM use, and implementing robust contingency planning, which includes strategic stockpiling.15

International Partnerships: To reduce concentrated dependencies, the EU has actively forged international alliances. Since 2017, it has established 13 Strategic Partnerships on Raw Materials Value Chains with mineral-rich countries outside the Union. These partnerships are formalized through Memoranda of Understanding (MoUs) and are designed to facilitate investment in CRM value chains abroad.22 The EU also participates in broader initiatives such as the Minerals Security Partnership with like-minded nations, further strengthening its collaborative efforts.47

Circular Economy Development: A key pillar of the EU's strategy is the development of a robust circular economy for raw materials. This involves boosting domestic recycling and urban mining initiatives, with a target of at least 15% of the EU's annual CRM consumption coming from recycled sources by 2030.13 Efforts include funding research into urban mining of electronic waste and developing advanced recycling technologies specifically for rare earth recovery.47

Domestic Extraction and Processing Targets: The Critical Raw Materials Act is a cornerstone of the EU's domestic strategy. It aims for 10% of all the EU's annual consumption of strategic raw materials to be extracted domestically and 40% to be processed within the EU by 2030.22 To achieve these targets, a "Strategic Projects framework" has been established. This framework is designed to attract investments into European critical raw materials projects by accelerating permitting procedures and providing contingent financial support to project promoters.23

Investment Mechanisms: The EU plans to leverage Global Gateway funds and a "Team Europe" approach, which pools resources from the EU, Member States, and other actors like development finance institutions and the European Investment Bank. This collective effort aims to stimulate private sector investment in partnering countries for CRM projects.22

The Geopolitics of LNG and European Energy Security

While the pivot to US LNG was a necessary geopolitical response to reduce reliance on Russia, it presents Europe with a new geopolitical dilemma: trading one concentrated dependency for another. This exposes Europe to potential US foreign policy leverage and price volatility, while simultaneously creating a tension with its long-term decarbonization commitments. The challenge is to manage this short-term necessity without locking in long-term fossil fuel dependence or creating new strategic vulnerabilities.

EU's Pivot to US LNG: Following Russia's invasion of Ukraine in 2022, Europe significantly increased its reliance on imported Liquefied Natural Gas (LNG) to replace diminishing pipeline gas supplies from Russia.18 The United States emerged as the primary beneficiary of this shift, becoming the EU's biggest LNG supplier. The U.S. provided 45% of the bloc's LNG needs in the previous year 18, and this share increased to 55% in the first half of 2025.49 In recent years, the EU has imported approximately 50 billion cubic meters (bcm) of LNG annually from the U.S..49

US Foreign Policy Objectives: For the United States, LNG exports serve multiple key foreign policy objectives.48 Firstly, they support allies in Europe and Asia by reducing their dependence on adversarial suppliers, particularly Russia.48 Secondly, energy diplomacy is used to cultivate new partnerships and deepen U.S. influence, including in the Global South.48 Thirdly, America's growing energy dominance helps its policy of containing energy-rich adversaries like Iran and Russia.48 Lastly, energy resources can be leveraged in negotiations for better trade deals or to incentivize compliance with U.S. sanctions.48 The transatlantic journey for LNG, which avoids vulnerable chokepoints such as the Persian Gulf, the Suez Canal, and the Straits of Bab-el-Mandeb, is perceived as a more stable and secure source of energy for Europe.48

Emerging Risk of Over-Reliance: Despite the strategic benefits of diversifying away from Russian gas, concerns are increasingly voiced about Europe's potential over-reliance on a single supplier, the United States.18 This situation is reminiscent of Europe's past dependency on Russian gas, raising questions about long-term energy security.19 The U.S. is perceived by some as potentially unpredictable, particularly given shifts in political administrations, which adds to the uncertainty regarding long-term supply stability.19

Economic Implications: LNG is generally more expensive than pipeline gas, which has contributed to higher energy bills across Europe.18 The EU paid approximately €100 billion for US LNG in the last three years alone.50 A recent trade deal committing the EU to purchase US

750billion(approximately€700billion)worthofU.S.energyoverthreeyears(averagingUS250 billion/year) is viewed by some analysts as unrealistic.19 Meeting this commitment would require the EU to triple its imports of US oil, coal, and LNG, volumes that may not be absorbed by Europe's declining gas demand, potentially leading to excess supply and financial strain.19

Compatibility with Decarbonization Goals: The EU maintains that the increased energy imports from the U.S. for the next three years are compatible with its medium- and long-term policy to diversify energy sources and fully phase out Russian energy imports under the REPowerEU Plan.49 However, environmental non-governmental organizations (NGOs) and climate policy experts have criticized the deal as inconsistent with the EU's climate framework and its overarching net-zero by 2050 goal, arguing that it risks locking in long-term fossil fuel dependence.19

Investment Landscape: Funding Europe's Electrification and Decarbonization

Current Investment Levels and Initiatives

Significant and targeted investments by the European Investment Bank (EIB) and national governments, particularly through counter-guarantees and specific packages for grid components and BESS, signal a strategic recognition of the need for public financing to de-risk and accelerate private investment in the energy transition. This is a critical mechanism to overcome market failures, long lead times, and the inherent risks associated with pioneering new energy infrastructure.

European Investment Bank (EIB): The EIB plays a central and increasingly prominent role in financing Europe's energy transition. Over the past decade, the EIB has invested approximately €147 billion in the EU's energy sector, demonstrating a long-standing commitment.20 In 2024 alone, it provided over €28 billion for energy projects worldwide, marking a record year for energy financing volume.20 A significant portion of this funding is directed towards grid infrastructure; in 2024, the EIB allocated €8.5 billion specifically for electricity networks and storage.20

As part of the EU Clean Industrial Deal, the EIB has launched a "Grids manufacturing package" worth €1.5 billion in counter-guarantees. These guarantees are provided through partner banks to manufacturers of grid components, with the aim of ensuring sustainable supply chains and supporting companies in scaling up the production of electricity networks across Europe.20 This initiative is crucial for connecting renewable energy sources to the grid, thereby delivering clean, affordable power to EU businesses and households.20 The EIB further increased its 2025 financing ceiling to a record €100 billion, underscoring its commitment to strengthening Europe's energy security, industrial competitiveness, and technology leadership.21 This expanded financing includes an increase to its existing counter-guarantee facility for wind manufacturers, raising it from €5 billion to €6.5 billion.21 The EIB also actively supports the REPowerEU plan, providing financing for investments in components necessary for wind farms.20

To facilitate the procurement of renewable energy by businesses, the EIB and the European Commission are launching a new €500 million pilot program. This program supports Corporate Power Purchase Agreements (PPAs) for mid-sized and large energy-intensive companies, utilizing counter-guarantees to de-risk long-term clean energy contracts and simultaneously supporting the development of new renewable energy projects.20 Beyond direct financing and guarantees, the EIB provides advisory services and assistance for clean energy projects through various grant programs and platforms, including the European Local Energy Assistance (ELENA) program, the InvestEU Advisory Hub (which includes its ADAPT advisory platform), and the Joint Assistance to Support Projects in European Regions (JASPERS).20 These programs help countries, regions, and cities access EU structural and Cohesion funds, as well as money from the Just Transition Fund.20

National Government Investments: In the wake of the Iberian blackout, national governments have also committed significant funds. Portugal, for instance, plans to invest €400 million in grid upgrades and BESS, with part-funding from EU sources.32 Spain, in turn, has approved 65 new measures specifically for grid resilience, demonstrating a direct and substantial response to the incident.30

EU Grid Modernization Fund: A larger, overarching €1.2 trillion EU grid modernization fund has been mentioned, intended to support broad investments in smart grid technologies by leading companies such as Siemens Energy and ABB.6 These technologies are recognized as critical for managing peak loads and enhancing overall grid performance.6

Assessment of Investment Sufficiency

While headline figures for EU grid modernization funds are substantial (€1.2 trillion), the Iberian blackout revealed that the effective deployment and strategic allocation of these funds may not yet match the scale and urgency of the energy transition. This suggests that simply committing capital is not enough; the challenge lies in ensuring that investments are strategically directed to address the most critical vulnerabilities and accelerate the integration of new technologies. Despite the large sums announced and committed, there are indications of an investment gap or, at minimum, an allocation challenge. For example, prior to the 2025 blackout, Spain was noted to have one of the lowest grid-to-clean-power investment ratios in the EU, suggesting a historical underinvestment in grid infrastructure relative to its renewable energy ambitions.2 Furthermore, the EU's strategic push for hydrogen infrastructure and green gas blending reflects a broader need for diversified supply chains that extend beyond traditional electricity grids, indicating complex and multi-faceted investment requirements.6

Innovative Financing Mechanisms

The recognition of "traditional financing models" as a barrier and the push for innovative mechanisms like benefit-sharing incentives and performance guarantees highlight that financial innovation is as crucial as technological innovation. These mechanisms are designed to de-risk new technologies, attract private capital, and incentivize their rapid adoption, thereby accelerating grid modernization and the energy transition.

To overcome traditional financing models that often favor large-scale, capital-intensive projects and can inadvertently hinder the adoption of innovative solutions, Europe is actively seeking to implement forward-thinking financial mechanisms.8

These include:

• benefit-sharing incentives, designed to reward grid operators for deploying cost-effective, innovative solutions that ultimately save consumers money.8 Another crucial mechanism involves

• guarantees for performance risks, which provide essential assurance to grid operators adopting new technologies, thereby reducing perceived risks and encouraging greater innovation and faster deployment.8

Furthermore, Corporate Power Purchase Agreements (PPAs) are increasingly recognized as essential tools for mitigating price swings in electricity markets.6 The EIB's pilot programs supporting corporate PPAs are a testament to this, aiming to de-risk long-term clean energy contracts and stimulate new renewable energy projects.20 These financial innovations are critical for unlocking private capital and accelerating the necessary investments in grid modernization and renewable energy integration.

Challenges to Investment Deployment

Despite the significant financial commitments and innovative mechanisms, several challenges impede the rapid and efficient deployment of investments in Europe's energy grid.

• Regulatory Hurdles: "Considerable hurdles" persist in EU member states that prevent digitally driven business models from operating and scaling effectively within a market-based framework.7 These regulatory barriers can stifle innovation and slow the adoption of smart grid technologies. Additionally, streamlining permitting procedures for renewable power generation areas remains a concern, as lengthy authorization processes can delay project development and grid integration.32

• Long Lead Times: A significant challenge, particularly for critical raw materials, is the inherent long lead times involved in developing new mines. This process typically takes 7-10 years, and in some cases, up to 15 years.43 Such extended timelines create potential supply bottlenecks and mean that even urgent investment action today will only yield results far into the future. While expanding refining capacities is also important, it is considered less urgent than investing in new mining operations, highlighting the foundational nature of raw material extraction.43 This temporal mismatch between urgent need and slow development creates a persistent short-to-medium term risk and necessitates sustained, long-term commitment to overcome.

Global Corporations and Financial Institutions in the European Union's Electrical Grid

The European Union's electrical grid involves a complex ecosystem of global corporations, financial institutions, and diverse shareholders, reflecting the intricate nature of modern energy infrastructure.

Major European Electrical Grid Operators and Companies

The European grid is managed by a network of Transmission System Operators (TSOs) and other key players. Prominent TSOs, many of whom are members of the Renewables Grid Initiative (RGI), include:

• Elia (Belgium): Operates the Belgian very-high-voltage grid and is responsible for efficient, reliable, and safe electricity transmission, including imports and exports.31 Elia Group indirectly owns 80% of Eurogrid GmbH (which includes 50Hertz in Germany) through its 100% ownership of Eurogrid International N.V./S.A..55

• HOPS (Croatia): The Croatian TSO, focused on operation, maintenance, and development of the electricity transmission network to ensure security of supply.31

• RTE (France): The French TSO, responsible for managing the national electricity transmission grid.31

• German TSOs: Germany has several key TSOs, including 50Hertz, Amprion, TenneT, and TransnetBW.

• 50Hertz: Responsible for operating, maintaining, planning, and expanding the 380/220 kilovolt transmission grid across several German federal states.31

• Amprion: A German TSO with interconnectors to five European countries, supplying power to over 27 million people.31

• TenneT: Europe's first cross-border Transmission System Operator, integrating German and Dutch transmission grids.31

• TransnetBW GmbH: Operates the transmission network in Baden-Württemberg, ensuring system security.31

• EirGrid (Ireland): A state-owned company operating and developing the national high voltage electricity grid in Ireland since 2006.31

• Terna (Italy): One of the main European electricity transmission grid operators, managing Italy's high voltage transmission grid.31

• Statnett (Norway): The state-owned system operator in the Norwegian energy system, securing power supply and facilitating Norway's climate objectives.31

• REN - Redes Energéticas Nacionais (Portugal): Operates the main transmission infrastructure and manages the national electricity and gas systems in Portugal.31

• Red Eléctrica de España (Spain): The sole transmission agent and operator (TSO) of the Spanish electricity system, aiming to provide a secure, efficient, and high-quality electricity service.31

• Swissgrid (Switzerland): Switzerland's national grid company.31

Beyond TSOs, other significant companies involved include:

• Siemens Energy and ABB: Leading providers of smart grid technologies critical for managing peak loads.6

• Tesla: Involved in energy storage solutions, capitalizing on the trend towards battery systems.6

• Iberdrola: A major multinational utility with significant involvement in interconnector development and smart grid projects through subsidiaries like ScottishPower in the UK.6 Iberdrola also acquired Electricity North West (ENW) in 2024, becoming the second largest electricity network operator in the UK.56

• Enel and RWE: Also investing in interconnector development and cross-border transmission.6

• Smart Wires: Provides innovative grid technologies like SmartValve™ for advanced power flow control.8

• Northvolt: A startup capitalizing on the energy storage trend.6

• Europacable: Represents European wire and cable producers.31

• T&D Europe: Represents Europe's grid technology providers.31

Financial Institutions and Shareholders

The financing of Europe's energy grid involves a blend of public, private, and institutional capital.

Financial Institutions:

• European Investment Bank (EIB): As detailed previously, the EIB is a central financial institution, providing substantial loans, counter-guarantees, and advisory services for grid infrastructure, renewable energy, and energy efficiency projects across Europe.20

• Partner Banks: The EIB works with partner banks to provide counter-guarantees to manufacturers of grid components and for corporate Power Purchase Agreements (PPAs).20

• Kreditanstalt für Wiederaufbau (KfW): A German state-owned development bank, KfW holds a 20% stake in Eurogrid GmbH, a key player in the German transmission system.55

• Triodos Impact Mixed Fund and Triodos Euro Bond Impact Fund: These are examples of investment funds that hold stakes in grid companies like TenneT Holding, indicating a growing interest from impact-focused financial institutions.57

• BlackRock: A major global asset manager, BlackRock holds significant interests in companies like Iberdrola.56

• Norges Bank: Manager of the Norwegian Government Pension Fund Global, also holds significant interests in Iberdrola.56

Shareholders:

• Elia Group: A public limited liability company incorporated in Belgium, Elia Group indirectly owns 100% of Eurogrid International N.V./S.A., which in turn holds 80% of Eurogrid GmbH.55 Elia is committed to transparent dialogue with its shareholders and investors, publishing regular financial reports.58

• Redeia (formerly Red Eléctrica de España): The Spanish TSO, Redeia, is a publicly traded company. Its financial information and shareholder relations are managed through its investor relations portal, which provides details on financial results, strategic plans, and corporate governance.60 The Spanish government has a significant stake in Redeia.

• Iberdrola: A major multinational utility, Iberdrola's largest shareholder as of 2023 is the Qatar Investment Authority. BlackRock and Norges Bank (managers of the Norwegian Government Pension Fund Global) also hold significant interests.56 Its subsidiaries include ScottishPower (UK), Avangrid (US), and Neoenergia (Brazil).56

• TenneT Holding BV: While specific institutional owners are listed as having filed 13D/G or 13F forms, the detailed breakdown of its institutional ownership structure shows current positions by institutions and funds.62 Triodos Impact Funds are noted as having invested in TenneT.57

Short-Term and Long-Term Challenges to Keeping the Lights On

The task of maintaining a secure and reliable electricity supply in Europe faces multifaceted challenges, both in the immediate future and over the longer term.

Short-Term Challenges:

• Grid Stability with High Renewables: The rapid increase in variable renewable energy sources (solar, wind) reduces the grid's traditional mechanical inertia, making it more susceptible to rapid frequency and voltage fluctuations, as demonstrated by the Iberian blackout.26 The immediate challenge is to integrate these renewables while maintaining system stability through technologies like grid-forming inverters and increased flexibility.3

• Regulatory Lag: Outdated regulations that prevent new technologies (e.g., solar PV with voltage control capabilities) from fully contributing to grid stability are a significant hurdle, as seen in Spain's case.3

• Supply Chain Disruptions for CRMs: The high concentration of critical raw material extraction and processing in a few countries (e.g., China for REEs, DRC for cobalt) creates immediate vulnerability to geopolitical tensions, export restrictions, and price shocks, impacting the production of batteries, solar panels, and wind turbines.14

• Cybersecurity Vulnerabilities: As grids become more digitized and decentralized, the attack surface expands, particularly for smaller, less-protected renewable energy producers, posing an immediate threat to system integrity.5

• Fossil Fuel Dependency (Bridging Phase): Despite decarbonization efforts, Europe's short-term reliance on natural gas, particularly expensive LNG imports from the U.S., creates economic and geopolitical vulnerabilities, including price volatility and potential over-reliance on a single supplier.18

• Aging Infrastructure and Maintenance Backlogs: The Iberian blackout exposed fragilities in auxiliary systems like emergency communications due to outdated infrastructure and insufficient maintenance, highlighting a broader issue across interconnected critical services.27

Long-Term Challenges:

• Massive Investment Requirements: Achieving climate neutrality by 2050 and integrating vast amounts of renewables will require unprecedented levels of investment in grid modernization, energy storage, and new transmission infrastructure. The sheer scale of this financial undertaking is immense.6

• Long Lead Times for Infrastructure and CRMs: The development of new transmission lines, energy storage facilities, and especially new critical raw material mines involves lead times of many years (7-15 years for mines), creating a significant temporal gap between planning and operational reality.10

• Geopolitical Shifts in Resource Control: The transition from fossil fuel geopolitics to mineral geopolitics means new strategic dependencies will emerge, requiring sustained diplomatic efforts and diversified supply chains to mitigate long-term risks.11

• Social Acceptance and Siting Challenges: Building new energy infrastructure, including transmission lines and mining operations for CRMs, often faces public opposition and lengthy permitting processes, which can significantly delay projects.8

• Technological Evolution and Integration Complexity: The continuous evolution of energy technologies (e.g., advanced storage, smart grid components) requires ongoing research, development, and complex integration into existing systems, demanding adaptive regulatory frameworks and skilled workforces.7

• Climate Change Intensification: As global warming progresses, extreme weather events like heatwaves will likely become more frequent and intense, placing increasing and sustained stress on energy systems, demanding continuous adaptation and resilience building.6

• Ensuring Affordability and Equity: The energy transition must ensure that electricity remains affordable for consumers and industries, and that the benefits of clean energy are distributed equitably across all communities, avoiding new forms of energy poverty or regional disparities.37

Conclusions and Recommendations

The 2025 Iberian blackout served as a critical inflection point, unequivocally demonstrating that Europe's energy transition is not merely about increasing renewable generation capacity, but fundamentally about re-engineering the entire electricity system for resilience, flexibility, and security. The incident laid bare the vulnerabilities stemming from regulatory inertia, operational shortcomings, and an interconnectedness with auxiliary infrastructures that were not designed for prolonged outages. The shift from a fossil fuel-dominated system to one powered by clean energy introduces new, complex dependencies on critical raw materials and a transitional reliance on LNG, fundamentally reshaping the geopolitical landscape of energy security.

To navigate these intricate challenges and ensure a viable, fossil fuel-independent, and secure energy future, a multi-pronged, urgent, and sustained strategic approach is imperative:

1. Accelerate Grid Modernization and Flexibility Deployment: Prioritize and rapidly deploy advanced grid technologies such as grid-forming inverters, synchronous compensators, and Advanced Power Flow Control (APFC) devices. These technologies are crucial for providing the necessary inertia, voltage control, and dynamic stability in systems with high renewable penetration. Simultaneously, expand demand-side management programs and virtual power plants to enhance grid flexibility and optimize energy use.

2. Massively Scale Energy Storage: Expedite the deployment of utility-scale Battery Energy Storage Systems (BESS) and pumped hydro storage. These are indispensable for balancing variable renewable generation, providing ancillary services, and acting as real-time shock absorbers for grid stability. Investment in fire-safe and thermally stable battery technologies is paramount.

3. Strengthen Cross-Border Interconnections: Increase the capacity and resilience of cross-border interconnectors to facilitate the efficient sharing of renewable energy surpluses and deficits across the European continent, enhancing overall system stability and market efficiency. Portugal's exploration of new connections beyond Spain is a positive step that should be replicated.

4. Diversify Critical Raw Material Supply Chains: Implement the Critical Raw Materials Act with urgency, focusing on aggressive targets for domestic extraction, processing, and recycling. Simultaneously, deepen strategic partnerships with mineral-rich countries outside China, ensuring ethical sourcing and diversified import routes. Investment in R&D for material substitution and recycling technologies is vital to reduce long-term dependencies.

5. Strategically Manage Transitional Fossil Fuel Dependencies: While LNG remains a necessary bridging fuel for short-term energy security, Europe must carefully manage its increasing reliance on single suppliers like the U.S. This involves balancing immediate supply needs with long-term decarbonization goals, avoiding the lock-in of fossil fuel infrastructure, and continuously assessing the geopolitical implications of new energy dependencies.

6. Streamline Investment and Regulatory Frameworks: Overcome "regulatory lag" by adapting grid codes to enable new technologies (e.g., grid-forming inverters) to provide essential grid services. Implement innovative financing mechanisms, such as benefit-sharing incentives and performance guarantees, to de-risk and attract private capital for grid modernization. Streamline permitting processes for renewable energy projects and grid infrastructure to accelerate deployment.

7. Enhance Cybersecurity Across the Entire Grid Ecosystem: Develop and enforce robust cybersecurity protocols across all grid participants, from large Transmission System Operators to smaller, decentralized renewable energy producers. This requires continuous investment in cyber workforce development and strong public-private partnerships.

8. Invest in Integrated Infrastructure Resilience: Recognize that grid resilience extends beyond the electrical network to interconnected critical infrastructures like emergency communication systems. Implement comprehensive modernization plans for these auxiliary systems, ensuring sufficient backup power, robust redundancy, and coordinated management to prevent cascading failures during widespread outages.

The electrification of European energy systems without undue dependence on fossil fuels or vulnerable mineral supply chains is a monumental undertaking. It demands not only substantial financial investment but also a profound shift in regulatory philosophy, a commitment to technological innovation, and a nuanced understanding of evolving geopolitical realities. The engineers and domain specialists possess the technical solutions and the understanding of where the weaknesses lie. The viability of Europe's energy future hinges on the political will to translate this expert knowledge into decisive, integrated, and sustained action, transcending short-term economic competition or geopolitical distractions.

Works cited

1. Analyzing Spanish-Language YouTube Discourse During the 2025 Iberian Peninsula Blackout - MDPI, accessed August 13, 2025, https://www.mdpi.com/2075-4698/15/7/174

2. Facts and lessons learned from the Iberian blackout - Rabobank, accessed August 13, 2025, https://www.rabobank.com/knowledge/d011479255-facts-and-lessons-learned-from-the-iberian-blackout

3. Joint Statement: Iberian Blackout - SolarPower Europe, accessed August 13, 2025, https://www.solarpowereurope.org/press-releases/joint-statement-iberian-blackout

4. Fact VS Fiction: Did Renewable Energy Cause the Spain Power Outage?, accessed August 13, 2025, https://utahcleanenergy.org/fact-vs-fiction-did-renewable-energy-cause-the-spain-power-outage/

5. The Renewables Blame Game - Euranet Plus, accessed August 13, 2025, https://euranetplus-inside.eu/the-renewables-blame-game/

6. Climate-Resilient Energy Infrastructure in Europe: The Strategic ..., accessed August 13, 2025, https://www.ainvest.com/news/climate-resilient-energy-infrastructure-europe-strategic-case-grid-flexibility-storage-interconnection-2508/

7. A New Energy Reality and Flexible Solutions: The smarter E Europe 2025 Has Started - The Industry is Ready, accessed August 13, 2025, https://www.thesmartere.de/press-release/opening-the-smarter-e-europe-2025

8. Unleashing Europe's Grid Potential - Smart Wires, accessed August 13, 2025, https://www.smartwires.com/2025/02/05/unleashing-europes-grid-potential-a-vision-for-a-sustainable-future/

9. 9. Grid-Forming Inverters - E.DSO, accessed August 13, 2025, https://www.edsoforsmartgrids.eu/radar/inverter-to-grid/

10. How Advanced Transmission Technologies Can Revamp the Aging US Power Grid, accessed August 13, 2025, https://www.wri.org/insights/advanced-transmission-technologies-us-power-grid

11. Executive summary – The Role of Critical Minerals in Clean Energy Transitions - IEA, accessed August 13, 2025, https://www.iea.org/reports/the-role-of-critical-minerals-in-clean-energy-transitions/executive-summary

12. Critical Raw Materials EU Guide - Arup, accessed August 13, 2025, https://www.arup.com/insights/critical-raw-materials-guide/

13. Critical raw materials for the energy transition | Leiden•Delft•Erasmus, accessed August 13, 2025, https://www.leiden-delft-erasmus.nl/en/critical-raw-materials-for-the-energy-transition

14. Rare Earth Elements and the Geopolitical Race for Green Power - Paradigm Shift, accessed August 13, 2025, https://www.paradigmshift.com.pk/rare-earth-elements/

15. Securing Europe's supply of critical raw materials - European Parliament, accessed August 13, 2025, https://www.europarl.europa.eu/RegData/etudes/BRIE/2023/739394/EPRS_BRI(2023)739394_EN.pdf

16. Europe's precarious position: Critical minerals, rare earths, and the China dilemma, accessed August 13, 2025, https://illuminem.com/illuminemvoices/europes-precarious-position-critical-minerals-rare-earths-and-the-china-dilemma

17. Liquefied natural gas - Energy - European Commission, accessed August 13, 2025, https://energy.ec.europa.eu/topics/carbon-management-and-fossil-fuels/liquefied-natural-gas_en

18. Selling more American gas to Europe: What's possible and when - Cipher News, accessed August 13, 2025, https://www.ciphernews.com/articles/selling-more-american-gas-to-europe-whats-possible-and-when/

19. The Energy Promises of the US-EU Trade Deal Can't Be Kept - The National Interest, accessed August 13, 2025, https://nationalinterest.org/blog/energy-world/the-energy-promises-of-the-us-eu-trade-deal-cant-be-kept

20. Energy - European Investment Bank, accessed August 13, 2025, https://www.eib.org/en/projects/topics/energy-natural-resources/energy/index

21. EIB expands financing for wind manufacturing, grids and electrification | WindEurope, accessed August 13, 2025, https://windeurope.org/newsroom/news/eib-expands-financing-for-wind-manufacturing-grids-and-electrification/

22. The EU's Critical Raw Materials Strategy: Engaging with the World to Achieve Self-Sufficiency | Tænketanken Europa, accessed August 13, 2025, https://thinkeuropa.dk/brief/2024-09-the-eus-critical-raw-materials-strategy-engaging-with-the-world-to-achieve-self

23. Meeting the costs of resilience: The EU's Critical Raw Materials Strategy must go the extra kilometer - Jacques Delors Centre, accessed August 13, 2025, https://www.delorscentre.eu/en/publications/eu-critical-raw-materials

24. Renewable energy | European Environment Agency's home page, accessed August 13, 2025, https://www.eea.europa.eu/en/topics/in-depth/renewable-energy

25. Demystifying oil and gas electrification for today's energy transition - SLB, accessed August 13, 2025, https://www.slb.com/resource-library/insights-articles/demystifying-oil-and-gas-electrification-for-todays-energy-transition

26. The Iberian Blackout of 2025: How Battery Storage Supports a More Resilient Grid - EticaAG, accessed August 13, 2025, https://eticaag.com/iberian-blackout-how-bess-supports-more-resilient-grid/

27. When the Lights Go Out: The Vulnerabilities of SIRESP During the Iberian Blackout - Interview with Carlos Salema - Instituto de Telecomunicações, accessed August 13, 2025, https://www.it.pt/News/NewsPost/5122

28. 2025 Iberian Peninsula blackout - Wikipedia, accessed August 13, 2025, https://en.wikipedia.org/wiki/2025_Iberian_Peninsula_blackout

29. What Caused Spanish Blackout? Clue: Don't Blame Renewables | Sustainability Magazine, accessed August 13, 2025, https://sustainabilitymag.com/renewable-energy/what-caused-spanish-blackout-clue-dont-blame-renewables

30. Iberian blackout: how Spain plans to boost its grid resilience - Rinnovabili, accessed August 13, 2025, https://www.rinnovabili.net/business/energy/iberian-blackout-spain-grid-resilience-plan/

31. Members - Renewables Grid Initiative, accessed August 13, 2025, https://renewables-grid.eu/about/members.html

32. Portugal plans to strengthen and modernise its electricity grid - AICEP, accessed August 13, 2025, https://portugalglobal.pt/en/news/2025/july/portugal-plans-to-strengthen-and-modernise-its-electricity-grid/

33. Portugal to invest €400m in grid upgrades and BESS after blackout, accessed August 13, 2025, https://www.energy-storage.news/portugal-to-invest-e400-million-into-grid-and-bess-after-iberian-blackout/

34. Iberian Peninsula Blackout in 2025: Timeline, Impact & Lessons - Hoplon InfoSec, accessed August 13, 2025, https://hoploninfosec.com/iberian-peninsula-blackout-in-2025/

35. The Project - Regilience, accessed August 13, 2025, https://regilience.eu/the-project/

36. The increasing importance of demand-side flexibility - gridX, accessed August 13, 2025, https://www.gridx.ai/knowledge/demand-side-flexibility

37. Demand response - IEA, accessed August 13, 2025, https://www.iea.org/energy-system/energy-efficiency-and-demand/demand-response

38. Innovating Future Power Systems: From Vision to Action | American Enterprise Institute - AEI, accessed August 13, 2025, https://www.aei.org/research-products/report/innovating-future-power-systems-from-vision-to-action/

39. Grid Decarbonization: How Utilities Balance Sustainability and, accessed August 13, 2025, https://www.thinkpowersolutions.com/grid-decarbonization-stability/

40. ELECTRIC GRID PROJECTS - Department of Energy, accessed August 13, 2025, https://www.energy.gov/lpo/electric-grid-projects

41. With Great Power Comes Great Possibility | NREL, accessed August 13, 2025, https://www.nrel.gov/news/detail/program/2024/with-great-power-comes-great-possibility

42. Policies to Enable Better Wires - Breakthrough Energy, accessed August 13, 2025, https://www.breakthroughenergy.org/newsroom/articles/policies-to-enable-better-wires/

43. The cobalt and lithium global supply chains: status, risks and recommendations, accessed August 13, 2025, https://www.researchgate.net/publication/374025137_The_cobalt_and_lithium_global_supply_chains_status_risks_and_recommendations

44. Geopolitical Supply Risk → Term - Energy → Sustainability Directory, accessed August 13, 2025, https://energy.sustainability-directory.com/term/geopolitical-supply-risk/

45. How China outsmarted Europe and the US on rare earths | Business Beyond - YouTube, accessed August 13, 2025, https://www.youtube.com/watch?v=LMZYehrQ-84

46. The Geopolitical Battleground of Rare Earth Minerals - IGS - International Gem Society, accessed August 13, 2025, https://www.gemsociety.org/article/rare-earth-minerals-in-geopolitics/

47. China-EU Trade Tensions Rise Over Rare Earth Export Controls - Discovery Alert, accessed August 13, 2025, https://discoveryalert.com.au/news/china-eu-rare-earth-export-controls-2025/

48. Gas and Politics: The US LNG Exports to Europe - Indian Council of World Affairs, accessed August 13, 2025, https://www.icwa.in/show_content.php?lang=1&level=1&ls_id=12484&lid=7628

49. EU-US trade deal explained - energy aspects - European Commission, accessed August 13, 2025, https://ec.europa.eu/commission/presscorner/detail/en/qanda_25_1935

50. Déjà vu as EU risks overreliance on one gas supplier - IEEFA, accessed August 13, 2025, https://ieefa.org/resources/deja-vu-eu-risks-overreliance-one-gas-supplier

51. Foreign policy and the strategic role of LNG exports - YouTube, accessed August 13, 2025, https://www.youtube.com/watch?v=STurfye9MPc

52. The EU commits to tripling energy imports from the US - Enerdata, accessed August 13, 2025, https://www.enerdata.net/publications/daily-energy-news/us-eu-transatlantic-historical-energy-trade.html

53. European Union Natural gas, liquefied imports by country | 2024 | Data, accessed August 13, 2025, https://wits.worldbank.org/trade/comtrade/en/country/EUN/year/2024/tradeflow/Imports/partner/ALL/product/271111

54. Three countries provided almost 70% of liquefied natural gas received in Europe in 2021 - U.S. Energy Information Administration (EIA), accessed August 13, 2025, https://www.eia.gov/todayinenergy/detail.php?id=51358

55. Group Structure - Eurogrid GmbH, accessed August 13, 2025, https://www.eurogrid.com/en-us/Eurogrid-GmbH/Group-Structure

56. Iberdrola - Wikipedia, accessed August 13, 2025, https://en.wikipedia.org/wiki/Iberdrola

57. TenneT Holding - Triodos Investment Management, accessed August 13, 2025, https://www.triodos-im.com/projects/tennet-holding

58. Reports and results - Investor Relations - Elia Group, accessed August 13, 2025, https://investor.eliagroup.eu/en/reports-and-results

59. Reports for Elia Group - Investor Relations, accessed August 13, 2025, https://investor.eliagroup.eu/en/reports-and-results/reports-for-elia-group

60. Shareholders and investors - Redeia, accessed August 13, 2025, https://www.redeia.com/en/shareholders-and-investors

61. Financial information | Redeia, accessed August 13, 2025, https://www.redeia.com/en/shareholders-and-investors/financial-information

62. XS2207430120 - TenneT Holding BV Stock - Stock Price, Institutional Ownership, Shareholders - Fintel, accessed August 13, 2025, https://fintel.io/so/nl/xs2207430120

63. Fossil-free Energy - Uppsala University, accessed August 13, 2025, https://www.uu.se/en/disciplinary-domain/science-and-technology/research/our-research-strengths/fossil-free-energy