Blackstone and Halliburton Said to Invest $1 Billion in VoltaGrid

Blackstone Inc. and Halliburton Co. are investing a combined $1 billion into VoltaGrid, an energy startup that makes gas-powered microgrids that are used to power data centers.

Blackstone’s Tactical Opportunities strategy and Halliburton are injecting $775 million of fresh capital and buying $225 million from existing shareholders, according to a statement Monday confirming an earlier Bloomberg News report.