ArcLight Capital Partners to Acquire InfraBridge’s 50% Stake in Invenergy AMPCI Thermal Power (IATP)

Environ Energy Acquires Infinity Power Partners

June 29, 2026

Energy

Environ Energy announced the acquisition of Infinity Power Partners (IPP), expanding its integrated energy management presence and entering the multifamily residential market. The deal adds about 2,000 clients and a portfolio representing more than 1,400,000 residential units under contract across the United States.

DigitalBridge Group to Acquire ArcLight Capital Partners in $1.05B Deal

May 28, 2026

IT Services

DigitalBridge Group, Inc. entered into a definitive agreement to acquire ArcLight Capital Partners, LLC for up to $1.05 billion (including a $650 million base price and up to $400 million contingent consideration). The transaction is conditioned on completion of SoftBank Group’s previously announced acquisition of DigitalBridge and is expected to create a scaled alternative asset manager spanning power, AI, and digital infrastructure.

ArcLight Capital Partners Acquires Advanced Power

July 24, 2025

Energy

ArcLight Capital Partners has acquired Advanced Power and committed an initial $1 billion equity investment to accelerate development of modern power infrastructure. The partnership could deploy more than $5 billion over five years to support over 20 GW of new generation and 10+ GWh of storage, targeting utilities, data center developers and hyperscalers across North America.

ArcLight Acquires 25% Interest in Natural Gas Pipeline Company of America (NGPL)

May 13, 2025

Energy

ArcLight Capital Partners’ managed fund acquired a 25% interest in Natural Gas Pipeline Company of America (NGPL), resulting in ArcLight holding a 62.5% economic ownership stake while Kinder Morgan retains a 37.5% interest and continues to operate NGPL. NGPL is one of the largest U.S. interstate natural gas pipeline systems (≈9,100 miles, ~1 million horsepower of compression, 288 billion cubic feet of storage); terms were not disclosed. ArcLight cited rising power demand from electrification and AI and the asset’s ability to support utilities, LNG exporters and data centers as the strategic rationale.

ArcLight Acquires Incremental 12.5% Stake in Natural Gas Pipeline Company of America (NGPL)

June 15, 2023

Energy

An affiliate of ArcLight Capital Partners acquired an incremental 12.5% interest in Natural Gas Pipeline Company of America LLC (NGPL) from Brookfield Infrastructure, increasing ArcLight's ownership to 37.5%. Brookfield Infrastructure retains a 25% interest and Kinder Morgan continues to operate NGPL and hold a 37.5% stake. NGPL is a major interstate natural gas pipeline system that transports gas into the Chicago market and to LNG export facilities, supporting energy reliability and export growth.

Searchlight Capital Partners to Acquire Majority Stake in Integrated Power Services

October 19, 2021

Industrial Services

Funds advised by Searchlight Capital Partners have entered into a definitive agreement to acquire a majority stake in Integrated Power Services (IPS), an industrial aftermarket services provider. Searchlight is buying the stake from funds advised by Odyssey Investment Partners, and the deal is subject to regulatory approvals with an expected close later in the year.