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Energy Vault and Jupiter Power Announce New Agreement for Battery Energy Storage System in Texas

LCG, June 4, 2025--Energy Vault Holdings Inc. (Energy Vault) and Jupiter Power (Jupiter) today announced the signing of an agreement for the supply of an additional battery energy storage system (BESS) at a Jupiter site in the Electric Reliability Council of Texas (ERCOT) region. The initial BESS project, located near Fort Stockton, Texas, was completed in July 2024, with a storage capacity 100 MW/200 MWh. The new BESS project will add another 100 MW/200 MWh of capacity. Construction has commenced, and the project is expected to achieve commercial operations by the end of this summer.

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NuScale Power Achieves Standard Design Approval from NRC for 77 MW SMR

LCG, May 30, 2025--NuScale Power Corporation (NuScale), a leading provider of advanced small modular reactor (SMR) nuclear technology, yesterday announced that it has received design approval from the U.S. Nuclear Regulatory Commission (NRC) for its uprated 77 MW power modules. NuScale states that it remains the only SMR technology company with design approval from the NRC, and the company remains on track for deployment by 2030, with 50- and 77-MW SMR options.

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Industry News

California County Expands Nation's Largest Rooftop Solar Array

LCG, Dec. 6, 2001--Alameda County (Calif.) plans to expand what it claims to be the "nation's largest rooftop solar electric system" from about 640 kilowatts to 1.14 megawatts. The giant solar array is on top of the county's Santa Rita Jail in Dublin, east of Oakland.

The county said that when completed the system will cover about three acres of the jail's roof and will be the fourth-largest solar photovoltaic system in the world.

"The decision to expand solar electric generation capacity at the Santa Rita Jail was easy because the economics were so compelling," said Alameda County supervisor Scott Haggerty, who is president of the county's Board of Supervisors.

The economics are indeed compelling. The county did not have to authorize any general fund revenues to finance its solar electric generation and energy efficiency projects. Money for the projects come from taxpayer-funded programs of the California Energy Commission and the California Public Utilities Commission.

The county also made use of a low interest rate energy efficiency loan from the Energy Commission.

"Harnessing the sun's power to generate clean on-site electricity is not only a good investment, but it's also a safe way to become more electrically independent and environmentally friendly at the same time," Haggerty said.

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