Energy Vault signs 1.25GW power supply deal with Texas data center developer
Type: Supply Agreement · Technology: Data Center · Country: United States · Capacity: 1.25 GW · Announced: 2026-08-10
Energy storage firm Energy Vault has signed a deal to supply battery energy storage systems (BESS), grid-forming power conversion systems, and AI infrastructure control software for a 1.25GW integrated power deployment at a hyperscale data center development in Texas. The deal, signed with an unnamed developer, will see the companies jointly deploy fully integrated, off-grid power systems to expedite the data center's connection by avoiding reliance on traditional utility interconnection schedules. Initial deployments are slated to commence over the next four to 12 months. Energy Vault stated the system will be supported through an AI monitoring platform to dynamically balance power flows, maintain voltage and frequency stability, minimize generator cycling, improve fuel efficiency, and ensure rapid response for AI compute environments. This agreement is Energy Vault's largest single contract executed to date and represents a strategic evolution into an integrated energy infrastructure provider.
Analysis
Energy Vault has signed a deal to supply 1.25GW of battery energy storage systems, grid-forming power conversion systems, and AI infrastructure control software to a Texas data center developer. Energy Vault is a technology company specializing in grid-scale energy storage solutions, offering proprietary battery, gravity, and hybrid-hydrogen technologies with integrated software. The deal, announced on 2026-08-10, will see the companies jointly deploy fully integrated, off-grid power systems, with initial deployments commencing over the next four to 12 months. The system will be supported through an AI monitoring platform to dynamically balance power flows, maintain voltage and frequency stability, and ensure rapid response for AI compute environments. The deal is Energy Vault's largest single contract executed to date, with the location of the project being the United States.
Key points
- 1.25GW capacity
- 2026-08-10 announcement date
- Texas, United States location
- 4-12 month initial deployment timeline
Counterparties
- Skybox Datacenters (Offtaker)
- Energy Vault (Supplier)
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