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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

Nevada Indians Close to Agreement on Power Plant

LCG, Oct. 29, 2001--The Moapa group of Paiute Indians in southern Nevada say they are ready to concede use of some water from the Muddy River to provide cooling for a $600 million, 760 megawatt power plant Calpine Corp. wants to build on their reservation.

In a three-way deal, the tribe would also give up a claim to all water rights regarding the muddy River, allowing the Las Vegas Valley Water District to use the water to support urban expansion in Las Vegas.

Calpine said it believed it could begin construction of the power plant in June, with commercial operation beginning in the summer of 2004. And Las Vegas Valley Water District was also optimistic.

"We have what we hope is a deal," water district deputy general manager David Donnelly said. "There's still a few details to work out, but we're very optimistic."

The Moapa Paiute reservation is located about 40 miles northeast of Las Vegas, just north of an arm of lake mead. The only economic activity appears to be a small fireworks and cigarette stand on Interstate 15, a highway that connects Las Vegas and Cedar City in southwestern Utah.

The power plant could inject $200 million into the reservation economy over 45 years, the expected life of the facility, according to tribal officials. But the tribe's lawyer, Steve Chestnut, says the "tribe will make significantly more than that. I think they've made a very good deal, and I think it would change in a favorable way the economic condition of the tribe."

The state of Nevada will have its say in whether the deal can move forward, because Nevada water is considered state property. The state engineer will have to allow the tribe to sell the water to Calpine.

The National Park Service also has a hand in the negotiations. The agency is concerned that pumping on the reservation could deplete springs that feed sensitive areas around Lake Mead.

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