ArcLight Capital Partners

Boston – September 30, 2026 -- ArcLight Capital Partners has completed the acquisition of a 50% stake in IATP, a 5.4 GW power portfolio spanning 11 infrastructure assets across North America, with Invenergy retaining the remaining 50% ownership and continuing to operate the platform.

Portfolio combines contracted revenue with dispatchable generation for AI-driven demand

IATP pairs a substantial base of existing contracted revenue with near-term recontracting opportunities and potential expansion projects, targeting electricity demand growth from AI, data centers and broader economic electrification. The portfolio includes four combined-cycle facilities: Grays Harbor Energy Center in Washington, Nelson Energy Center in Illinois, Lackawanna Energy Center in Pennsylvania, and St. Clair Energy Centre in Ontario.

Boston – September 23, 2026 -- ArcLight Capital Partners has appointed Peter Podurgiel as President and Board Director of portfolio company Advanced Power, adding a developer who has commercialized more than 11 GW of generation to a platform now advancing a 15 GW pipeline of power infrastructure for utilities, hyperscalers and data center operators.