BUFFALO, N.Y. — A significant milestone in urban energy storage was reached this week as the Peace Bridge Place affordable housing complex in Buffalo unveiled a 3.75 megawatt-hour lithium-ion battery system, one of the largest ever installed in a U.S. residential building.
The installation, developed by manufacturer Viridi and the developer Good Carbon Co., is designed to store excess energy when the power grid is plentiful and discharge it during periods of high demand or grid strain. For the residents of this apartment complex, the technology promises increased energy resilience and lower utility costs, as the building can avoid drawing from the grid during peak pricing hours.
The project represents a crucial test case for the integration of large-scale battery storage in densely populated environments—a challenge that has long been hampered by concerns over fire safety.
“We want our electric power to be resilient, affordable and available,” said Viridi CEO Jon M. Williams. “The only thing that has been holding up installations at scale is safety; a lot of the products on the market over the last 10 years have burned things down.”
To address these fears, Viridi spent six years and $10 million engineering a “fireproof” containment system. The technology uses specialized plates and spacing to isolate individual battery cells, ensuring that if one were to fail, the thermal energy would dissipate safely without triggering a fire or releasing smoke and gases into the building. The system famously passed a “near impossible” safety test, where the battery was forced to fail under a piece of cheesecloth; the fabric did not char or ignite, proving the system’s stability for indoor use.
This focus on safety has earned the project praise from government officials. The New York State Energy Research and Development Agency (NYSERDA) provided funding as part of its initiative to bring clean energy solutions to disadvantaged communities.
“It goes a long way toward demonstrating the safety and viability of these types of projects,” said NYSERDA President and CEO Doreen Harris.
The system is particularly well-suited for New York, which leverages its proximity to Niagara Falls and extensive hydropower to bolster the state’s energy mix. By storing excess hydropower and wind energy, the battery helps maintain a steady flow of electricity, reducing the reliance on fossil fuels.
Industry experts believe this project marks a turning point for the future of residential energy. Jigar Shah, former head of the Department of Energy’s Loan Programs Office, noted that as the U.S. looks to meet growing electricity demands without undergoing costly grid upgrades, localized battery storage will become essential.
California Energy Commission Chair David Hochschild, who has championed the expansion of battery infrastructure in his own state, echoed this sentiment. “I believe the battery industry is the single most important energy industry for the next several decades,” he said. “We’re just getting started.”
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