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The BESS market in Europe is experiencing unprecedented growth, propelled by the continent’s renewable energy ambitions and the urgent need for energy security. According to the European Association of Energy Storage (EASE), Europe requires about 187 GW of energy storage by 2030, wherein battery storage accounts for 122 GW of capacity. As of 2025, the European BESS market is projected to reach US$32.71 billion by 2030, exhibiting a compound annual growth rate (CAGR) of 16.06% from 2025 to 2030.

BESS plays an important role in:

• Grid stability and flexibility: BESS can help balance supply and demand for renewable energy sources by storing surplus energy and releasing it when needed, making the grid more reliable.
• Supporting renewable integration: Storage mitigates the intermittency of wind and solar power by storing excess energy when production is high and releasing it when it is low.
• Decentralized energy management: By storing energy locally, microgrids reduce transmission losses and help optimize how power is used across loads.
• Cost management: Batteries optimize energy use during high-demand periods, which can lower operational costs.

European renewable projects are increasingly combining large-scale solar and wind farms with BESS to address grid congestion, manage the intermittency of renewables, and meet net zero targets. This momentum is supported by significant funding (projected to reach €30 billion by 2030 ), from the European Investment Bank and various national governments.

Regulatory developments 

The evolving European regulatory landscape plays a pivotal role in shaping BESS deployment. EU policies and national initiatives are boosting BESS through regulations such as the European Green Deal which drives BESS development through funding for clean technologies and innovation, supportive policies like the EU Battery Regulation for sustainable production, collection, and recycling.

The updated Electricity Market Design emphasizes flexibility and market integration, encouraging the development of energy storage as a market asset. Additionally, the Renewable Energy Directive (RED II) and upcoming Renewable Energy Package promote streamlined permitting processes and grid access for storage projects.

Companies subject to the Corporate Sustainability Reporting Directive (CSRD) must disclose their impact on the environment to help consumers and investors make sustainable choices, including risks associated with energy storage and renewable projects. 

Mitigating risks associated with BESS

Failing to adequately address BESS risks can lead to increased insurance premiums or even the inability to secure coverage, posing significant challenges for developers and operators. These risks may include:

• Fire and explosion: Lithium-ion batteries are the most dominant technology used in BESS. However, thermal runaway of a lithium battery cell results in uncontrollable risk in temperature and extreme fire hazards. Insurers require comprehensive safety protocols, fire suppression systems, and regular maintenance to mitigate these risks.
• Climate and environmental factors: Cold winters in Northern Europe can impair battery performance and longevity. Insurers often seek evidence of thermal management systems and weather-resistant designs.
• Environmental liability: The lifecycle of batteries involves manufacturing, transportation, and disposal, each with environmental risks. Insurers are increasingly emphasizing environmental liability coverage and sustainable disposal practices.
• Cybersecurity vulnerabilities: BESS are susceptible to cyberattacks that could disrupt operations or cause safety incidents. Cyber insurance policies can address these evolving threats.
• Performance and degradation risks: Batteries degrade over time, potentially leading to reduced performance and increased operational risks. Insurance policies may include coverage for performance degradation and associated costs.
• Business interruption: Reducing single points of failure can prevent business interruptions and revenue loss. Insurers generally prefer projects that route power to the grid separately from the BESS, protecting operations and revenue by isolating potential damage to individual components.
• Regulatory compliance: Europe’s safety and environmental standards, reinforced by the CSRD and other regulations, necessitate comprehensive documentation and compliance measures, which underwriters often scrutinize.

Strategies for effective risk management 

To navigate these risks, project developers and operators should consider:

• Engage early with your broker: Collaborate with your broker throughout the development phase to assess the insurance and bankability prospects of the BESS project. Coverage should align with project specifics and regional risk factors.
• Comply with lender requirements: Project owners and lenders must manage and, where appropriate, transfer project risks. For bankability, insurance policies should adequately protect assets and revenue, be timely and cost-effective, and align with lender security documentation requirements.
• Implement robust safety protocols: Incorporate advanced thermal management, fire suppression, and security measures to minimize risk exposure.
• Embrace environmental and lifecycle planning: Sustainable practices should be used for battery disposal and recycling, supported by appropriate insurance coverage.
• Strengthen cybersecurity measures: Invest in cybersecurity infrastructure and protocols, and secure cyber insurance policies to mitigate digital threats.
• Carry out regular maintenance and monitoring: Use advanced energy management systems to monitor battery health and performance, reducing operational risks.

Unlocking BESS opportunities

Europe’s commitment to renewable energy, sustainability, and the integration of innovative projects presents significant opportunities for BESS deployment. However, the unique regional risks — climate, environmental, safety, cybersecurity, and regulatory — necessitate tailored insurance solutions and proactive risk management strategies.

With extensive industry knowledge, Marsh offers market insights to help clients in Europe and globally make informed decisions regarding project development and investment, while mitigating risks and enhancing overall project viability.

Glen Zhang is a highly accomplished R&D executive with over 30 years of experience in designing and developing advanced materials and novel delivery systems for bioscience applications, with a strong focus on agriculture, including pesticide and biosolution formulations, seed coating and treatment, and application technology. Providing strategic expertise in technology, innovation, and intellectual property, Glen has successfully championed groundbreaking scientific advancements, led the commercialization of new products on both regional and global scales, and built strong, lasting relationships with customers. Glen holds a PhD from the University of Toronto.