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50 Renewable Energy Private Equity Firms (2026)

Energy Capital Partners (ECP)

Tier 2: infrastructure & energy specialistsvalue‑add, buyout

Electricity infrastructure specialist across renewables, storage, transmission, and efficient gas supporting grid reliability.

Relevant AUM / Platform Scale
~$37B+ (>$98B combined with Bridgepoint)
Headquarters / Location
North America
Founded
2005
Latest Fund / Vehicle
ECP Fund V ($2.7B) / ECP VI

Focus Sectors & Technology

renewablesgas generationstoragetransmission

Key Investments & Platforms

  • Calpine
  • Algonquin NA renewables