ArcLight Capital Partners is acquiring Kleen Energy Systems LLC, a natural gas-fired power generation asset in New England, from indirect common equity interest owned by Osaka Gas USA Corp. and Kyuden International Americas Inc., ArcLight said April 14.

Financial terms of the deal were not disclosed.

Kleen has a 620-megawatt capacity and is positioned to serve the growing power demand market from artificial intelligence and the electric grid. 

ArcLight manages one of the largest private power infrastructure portfolios in North America.

ArcLight’s power management team Alpha Generation Services LLC, led by Curt Morgan, will take over the management reins of Kleen Energy.

The deal is expected to close in 2025, subject to regulatory approvals.

Latham & Watkins LLP is serving as legal counsel and MUFG is serving as financial adviser to ArcLight.