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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

Massachusetts Plants to Be Retired

LCG, May 12, 2003--Four power generating units in Massachusetts that are owned by Exelon Corp. will be retired this year, according to the company.

A new, 800-megawatt power plant that was built on the same site as three of the units, in the town of Everett, started operations in April. Mystic Station 4, 5 and 6 will be retired, as will New Boston Station's Unit 1, a 380-megawatt plant in South Boston. The total amount of capacity being retired is put at 756 megawatts.

Massachusetts' government had wanted the units, which run on oil and coal, to be shut down in order to reduce emissions. Exelon also contends that keeping the plants running would be a more costly exercise than makes good business sense. The units would likely have needed upgrades and enhancements to make them competitive.

Before the shutdowns, an additional new 800-megawatt Mystic unit, number 9, is expected to come on line by this month or next month. Exelon has submitted an application to the New England ISO, seeking the grid operator's approval, which is subject to the need for reliability.

Other relatively dirty plants the state would like to be retrofitted in order to continue operating are NRG Energy, Brayton Point, Salem Harbor, Mount Tom Station, and Canal Electric.
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