Partnership
VoltaGrid x Blackstone x Halliburton ($1B equity)
VoltaGrid signed agreements for a $1.0 billion strategic equity investment from Blackstone Tactical Opportunities and Halliburton ($775M primary capital raise and $225M secondary), with proceeds to scale behind-the-meter power for AI data centers, plus a related Propell Energy Technology acquisition agreement. Announced May 11 2026; expected mid-2026 close at announcement.
investment · Announced · just announced
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c564b6ba-85ef-4810-ac42-0e2ddfd6db08- Type
- investment
- Status
- Announcedjust announced
- Announced
- 2026-05-115 months ago
- Active for
- 5 months
Who’s involved
VoltaGrid is a Houston-based energy company tracked here for behind-the-meter gas generation paired with AI data center campuses. The registry records a Sep 2026 Clean Air Act citizen suit (with Vantage) over San Antonio projects, as alleged by Environmental Integrity Project, Sierra Club, and Public Citizen.
Blackstone is a global alternative asset manager. Through Blackstone Tactical Opportunities and other strategies it finances AI / data-center infrastructure, including a May 2026 $1B strategic equity investment (with Halliburton) into behind-the-meter power platform VoltaGrid.
Halliburton (NYSE: HAL) is a US oilfield services company developing autonomous drilling systems, robotic well [Inspection](/companies/inspection-robotics), and AI-powered reservoir optimization. Pioneering autonomous drilling technology for the energy industry.
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Sources (3)
- https://voltagrid.com/voltagrid-announces-1-billion-strategic-equity-investment-from-blackstone-and-halliburton-to-fund-growth-and-acquisition-of-propell · 2026-05-11
- https://www.blackstone.com/news/press/voltagrid-announces-1-billion-strategic-equity-investment-from-blackstone-and-halliburton-to-fund-growth-and-aquisition-of-propell/ · 2026-05-11
- https://www.reuters.com/legal/litigation/blackstone-halliburton-invest-1-billion-energy-startup-voltagrid-2026-05-11/ · 2026-05-11
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