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Calpine Closes Texas Energy Fund Loan for 460-MW Pin Oak Creek Peaking Facility

LCG, October 14, 2025--Calpine Corporation today announced the close of a Texas Energy Fund (TxEF) loan agreement to support development of the Pin Oak Creek project, a 460-MW, natural gas-fired peaking facility adjacent to Calpine's Freestone Energy Center, a gas-fired combined-cycle facility located on approximately 506 acres near Fairfield, Texas.

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Greenflash Infrastructure Closes Transaction for ERCOT's Largest Battery Storage Project Under Construction

LCG, October 7, 2025--Greenflash Infrastructure, L.P. ("Greenflash") today announced that it has successfully closed a hybrid tax capital and debt financing for Project Soho - a 400MW / 800MWh standalone battery storage project in Texas.

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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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