Full Breakdown
Rising Threats and Opportunities in Battery Energy Storage Systems
12/12/2025, 11:03:59 AM
Increasing Risks of Cyberattacks on Battery Energy Storage Systems
Utility-scale Battery Energy Storage Systems (BESS) are facing escalating risks from cyberattacks, as highlighted in a recent white paper by the Brattle Group and Dragos. With BESS deployments projected to grow by 20% to 45% over the next five years, driven by the rising demand for data centers and renewable energy sources, the urgency for enhanced security measures has become paramount. Experts warn that the rapid expansion of these systems is outpacing the industry's ability to secure them against malicious hacking and extended outages. Phil Tonkin, field chief technology officer at Dragos, noted, “Battery storage systems are being used across the grid to enable the deployment of variable demand sources such as solar and wind,” making them attractive targets for state-linked actors and criminal groups.
Economic Implications of BESS Outages
The economic ramifications of potential outages in BESS are significant. A report indicates that a single outage of a 100 megawatt system for four hours could result in losses of up to $1.2 million in revenue. More extensive outages could have regional impacts, with an example cited of 100,000 customers losing access to 3,000 MWh for a day, leading to an economic impact of $39 million. Dragos is currently monitoring around 18 groups that pose threats to the electrical grid, including the group known as Volt Typhoon, which has previously targeted electrical utilities.
Innovations in Battery Technology
Amidst these challenges, advancements in battery technology are emerging. Inlyte Energy has recently completed a successful factory acceptance test of its iron-sodium battery energy storage system, which is designed to offer a safer and more cost-effective alternative to traditional lithium-ion batteries. This system, capable of storing over 300 kilowatt-hours of energy, is set for deployment in the U.S. in early 2026, with plans for domestic manufacturing to follow. The iron-sodium technology is particularly suited for long-duration applications, addressing the growing need for stable energy supplies as the grid increasingly relies on renewable sources.
Global Developments in Energy Storage
Internationally, significant investments are being made in large-scale battery storage projects. For instance, Germany's Energie Baden-Württemberg AG (EnBW) has announced a 400 MW / 800 MWh facility, which will be constructed on the site of a former nuclear power plant. This project is part of a broader trend in Germany, where several large-scale storage systems are being developed on decommissioned nuclear sites. Similarly, the U.S. Department of Energy's Pacific Northwest National Laboratory has initiated utility-grade battery tests, marking a significant leap in domestic energy research capabilities.
Criticism and Opposition
Despite the advancements, there are concerns regarding the environmental and community impacts of new battery projects. In Napanee, Ontario, local councilors recently sided with residents against a proposed 250-megawatt BESS, citing health, safety, and environmental concerns. Residents expressed fears about potential fires, toxic gas releases, and the impact on property values, emphasizing the need for thorough community engagement in such projects.
Conclusion
As the demand for battery energy storage systems continues to rise, so do the associated risks and opportunities. The need for robust cybersecurity measures, innovative battery technologies, and community engagement will be critical in navigating the evolving landscape of energy storage. The balance between advancing technology and addressing public concerns will shape the future of BESS and its role in the global energy transition.
