VoltaGrid

Summary active Updated May 15, 2026

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Location Houston, TX
Founded 2020
Latest Stage Strategic
Total Raised $1B+
Website https://voltagrid.com/
Sector
energy ai-infrastructure data-centers climate-tech industrial power

Founders

Nathan Ough Founder & CEO

About

VoltaGrid is a Houston-based behind-the-meter power generation company founded in 2020 by Nathan Ough, providing off-grid power solutions for data centers, AI infrastructure, utilities, and industrial customers across North America 12. The company announced a $1B strategic equity investment on May 11, 2026, comprising $775M in primary capital and $225M in a secondary purchase from existing investors, led by Blackstone Tactical Opportunities and Halliburton; alongside the financing, VoltaGrid signed a definitive agreement to acquire Propell Energy Technology Ltd. to expand power systems manufacturing capacity 12. Bloomberg reported the deal values VoltaGrid at more than $10B 3.

Funding History

Date Round Amount Lead Co-investors
2026-05-11 Strategic $1B ($775M primary + $225M secondary, at $10B+ val) Blackstone Tactical Opportunities, Halliburton — 123

What Founders Say

Nathan Ough, Founder and CEO, said: “This partnership with Blackstone is a powerful endorsement of the platform we have built and the role VoltaGrid is playing in delivering the energy infrastructure of the AI era.” 1

What Investors Say

William Nicholson of Blackstone said: “VoltaGrid is a highly differentiated platform addressing one of the most important infrastructure needs of the AI era: reliable, rapidly deployable power.” 1

Sources

  1. GlobeNewswire, “VoltaGrid Announces $1 Billion Strategic Equity Investment from Blackstone and Halliburton to Fund Growth and Acquisition of Propell,” May 11, 2026. Accessed May 2026. https://www.globenewswire.com/news-release/2026/05/11/3291825/0/en/voltagrid-announces-1-billion-strategic-equity-investment-from-blackstone-and-halliburton-to-fund-growth-and-acquisition-of-propell.html↩↩↩↩↩

  2. Blackstone press release, “VoltaGrid Announces $1 Billion Strategic Equity Investment from Blackstone and Halliburton to Fund Growth and Acquisition of Propell,” May 11, 2026. Accessed May 2026. https://www.blackstone.com/news/press/voltagrid-announces-1-billion-strategic-equity-investment-from-blackstone-and-halliburton-to-fund-growth-and-aquisition-of-propell/↩↩↩

  3. Bloomberg, “Blackstone, Halliburton to Invest $1 Billion in VoltaGrid Energy Startup,” May 11, 2026. Accessed May 2026. https://www.bloomberg.com/news/articles/2026-05-11/blackstone-halliburton-said-to-invest-1-billion-in-voltagrid↩↩