Grid-scale storage developer Energy Vault and NV Energy announced the completion and beginning of commercial operation of the Reid Gardner Battery Energy Storage System (BESS) in Moapa, Nevada.

Built on the site of a decommissioned coal-fired electric generating facility, the the two-hour, 220 MW/440 MWh grid-tied battery system is charged and discharged on a daily basis and designed to dispatch stored renewable energy at peak consumption hours.

The system, which is now being operated at full capacity by NV Energy, leverages Energy Vault’s integration platform and energy management system, Vault-OS.

Energy Vault CEO Robert Piconi joined Episode 45 of the Factor This! podcast to discuss the long-duration energy storage dilemma, and how his company is using gravity and green hydrogen to help crack the code. Subscribe wherever you get your podcasts.

Energy Vault, NV Energy Bring 220MW-440MWh Reid Gardner BESS Project to Commercial Operation (Photo: Business Wire)

“The completion of the Reid Gardner Battery Energy Storage System, on budget and on schedule in a compressed time schedule, stands as a testament to Energy Vault’s commitment to the efficient delivery of sophisticated high-performance energy storage systems to customers like NV Energy,” said Marco Terruzzin, Chief Commercial & Product Officer, Energy Vault. “We are grateful for NV Energy’s strong partnership throughout this process, from the start of planning until the commencement of operations today. It’s our goal at Energy Vault to serve as the energy storage company of choice for utilities, IPPs and large energy users, and we are proud to deliver a system that will provide clean energy and grid resiliency to Nevada communities while also advancing the state’s carbon neutrality goals.”

NV Energy is the state of Nevada’s largest utility.

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