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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

Calpine Plans 890 Megawatt Tennessee Plant

LCG, July 20, 2000--Calpine corp. said yesterday it will develop, build and own a $430 million, 890 megawatt natural gas-fired, combined cycle power plant in Haywood County, Tenn. When completed in mid-2004, the facility will interconnect with the Tennessee Valley Authority system.

Bob Alff, a Calpine senior vice president, said "We are very pleased to announce our first Calpinedevelopment project in the State of Tennessee The Haywood Energy Center is ideally located relative to high-capacity natural gas and electric transmission interconnections, and has excellent access to multiple load centers throughout the dynamic southeastern power market."

The new plant will produce around 770 megawatts and have the capability to generate an additional 120 megawatts during periods of peak demand. It will employ Siemens-Westinghouse combustion turbines in a three-on-one combined cycle configuration and will be equipped with advanced emissions control systems.

John Sharpe, Haywood County Executive, welcomed Calpine to Hatchie River country. "This type of project represents an excellent economic development opportunity for our region, and we are verypleased that Calpine has chosen to do business here. We extend them a warm welcome and lookforward to a successful relationship."

Calpine has three other projects under development that will hook up to TVAs system, one in Lowndes County, Miss., and two in Morgan County, Ala. Including Haywood, Calpine's combined TVA-area development effort represents more than 2,900 megawatts of generating capacity.

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