Buyout DeskBDVol. II · No. 142  ·  Fri, May 22, 2026ARCHIVED ·  2 deals tracked  ·  Updated 23 hr ago

Buyout Desk

Private equity, daily
Platform·Industrials/Industrial Services·May 11, 2026

Blackstone and Halliburton Invest In VoltaGrid

Creates a platform investment for Blackstone, Halliburton around VoltaGrid and its operating business and adding another asset to the relevant private-equity portfolio.

Blackstone, Halliburton acquired VoltaGrid.

Blackstone and Halliburton invested $1 billion in VoltaGrid, a behind-the-meter power generation platform that delivers firm, off-grid power to data centers, microgrids, and industrial customers.

The investment includes $775 million of primary capital to fund VoltaGrid's buildout for AI data center demand and a concurrent agreement to acquire Propell Energy Technology, a key manufacturer of its proprietary high-inertia power systems.