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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 Sells Output of Proposed Florida Plant

LCG, Oct. 18, 2000Calpine Corp. and Tampa, Fla.-based Seminole Electric Cooperative Inc. jointly announced yesterday that they had asked Florida regulators to approve a deal under which Seminole would buy power from a 540 megawatt Calpine merchant power plant proposed for Auburndale, Fla., about 35 miles east of Tampa.

Under of the terms of the planned agreement, Seminole will have access to all of the output from the Osprey Energy Center for a period of 17 years, beginning with the plant's projected commercial operation date of June 2003, with an option to renew every 5 years. Terms of the deal were not disclosed.

Calpine said the contract would support its Petition for Determination of Need, which is currently pending before the Florida Public Service Commission. Hearings on the petition are scheduled tobegin November 29.

Tim Woodbury, Seminole's vice president for strategic services, said "The agreement provides us with the pricing, the reliability of supply and the flexibility that our member systems need in Florida's dynamic and evolving electric power market."

Calpine said the Osprey plant would be built adjacent to an existing 150 megawatt Calpine plant in Auburndale. The company plans to add another 100 megawatts to that facility and also has in the works a 1,080 megawatt energy center planned for Vero Beach, Fla.

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