News
LCG, August 27, 2025--Wärtsilä Energy announced yesterday an agreement with East Kentucky Power Cooperative (EKPC) to supply the engineering and equipment for a 217-MW power plant to be constructed in Liberty, Kentucky. The Wärtsilä equipment is scheduled for delivery in mid-2027, and the plant is expected to be commissioned in early 2028.
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LCG, August 25, 2025--The Utah Office of Energy Development (OED), TerraPower and Flagship Companies announced today the signing of a Memorandum of Understanding (MOU) to explore the potential siting of a Natrium® nuclear reactor and energy storage plant in Utah. The MOU establishes a shared commitment to support advanced nuclear technologies to build Utah’s energy future and to prioritize reliability, economic growth and energy abundance.
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Industry News
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.
The new BESS will provide critical dispatchable capacity to complement growing intermittent renewable capacity, support the ERCOT grid and increase grid resiliency. According to the announcement, the system includes Energy Vault’s proprietary X-Vault integration platform using Energy Vault’s proprietary UL9540 certified B-VAULT product, and VaultOS Energy Management System to control, manage and optimize the BESS operations. Energy Vault’s system architecture provides customer optionality with both battery and inverter suppliers, while unique AC-coupled and DC-coupled configurations provide the drop-in flexibility needed for any project.
"As one of the largest battery storage developers and operators in the U.S., we look for partners who can keep pace with our ambition and scale. With more than 2,500 MWh in operation or construction, we’re excited to continue building with Energy Vault at this critical site and appreciate their ability to deliver solutions tailored to our needs,” said Jupiter Power's Chief Technology Officer.
Energy Vault's Chief Commercial and Product Officer stated, “Today’s expansion of our partnership with Jupiter Power stands as a testament to the strength of our team’s collaborative approach to delivering reliable, safe, and efficient energy storage solutions to customers. Jupiter’s BESS projects portfolio has reached a critical mass in ERCOT and we’re proud to continue serving as a partner to Jupiter Power in the ultimate endeavor to decarbonize the grid in an economically effective fashion.”
The Energy Vault and Jupiter see today’s announcement as another step forward in their ongoing partnership, which began in 2022.
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