Energy Vault Holdings: Renewable Energy Transactions
Energy Vault Holdings appears in 2 renewable energy transactions tracked by Renewables.digital (2 as buyer) between March 2026 and May 2026, with a combined capacity of 1,025 MW. Technologies: Battery Storage (BESS) (2). Countries: Japan (1) and United States (1). The most recent deal is “Energy Vault Acquires 850 MW BESS Development Portfolio in Japan from BayWa r.e., Entering Japanese Market” (27 May 2026).
2Transactions
1,025 MWTotal capacity
2Countries
March 2026 – May 2026Period
Key facts
2 transactions between March 2026 and May 2026, 1,025 MW in total (average 513 MW per deal)
How many transactions involving Energy Vault Holdings are listed?
Renewables.digital currently lists 2 transactions involving Energy Vault Holdings between March 2026 and May 2026, with a combined capacity of 1,025 MW.
What has Energy Vault Holdings acquired?
Energy Vault Acquires 850 MW BESS Development Portfolio in Japan from BayWa r.e., Entering Japanese Market (27 May 2026) and Energy Vault Acquires 175 MW / 350 MWh McMurtre BESS Project near Dallas, Texas from Belltown Power (24 March 2026).
What has Energy Vault Holdings sold?
No sales by Energy Vault Holdings are currently listed.
What is the largest of the transactions involving Energy Vault Holdings?
Energy Vault Acquires 850 MW BESS Development Portfolio in Japan from BayWa r.e., Entering Japanese Market with 850 MW (27 May 2026).
Energy Vault Holdings has closed the acquisition of an 850 MW battery energy storage development portfolio in Japan from BayWa r.e. AG, including an experienced local development team. The portfolio comprises 350 MW of advanced-stage projects (NTP expected H2 2027, COD from mid-2028) and 500 MW of early-stage projects. The deal brings Energy Vault's global owned asset base to over 1 GW.
Energy Vault Holdings has acquired the 175 MW / 350 MWh McMurtre BESS project near Dallas in the ERCOT North market, Texas, from Belltown Power. The project will be contributed to Energy Vault's Asset Vault platform upon reaching Ready-to-Build status. NTP is expected in Q4 2026 with commercial operation targeted for December 2027. The project is expected to generate $350–$375 million+ in lifetime revenues.
Data as of 13 October 2026. The overview covers the transactions currently listed in the Renewables.digital database; each deal links to its original public source.
