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50 Renewable Energy Private Equity Firms (2026)

Quinbrook Infrastructure Partners

Tier 2: infrastructure & energy specialistsdevelopment, value‑add

ESG‑focused manager specializing in renewable energy, storage, and grid stability. Scaling new developments rapidly, including massive long-duration battery projects globally.

Relevant AUM / Platform Scale
~$6.9B+ (equity capital invested)
Headquarters / Location
US, UK, Australia
Founded
2015
Latest Fund / Vehicle
Quinbrook funds

Focus Sectors & Technology

renewablesstoragegrid stabilitydata centers

Key Investments & Platforms

  • Mallard Pass Solar
  • Aegis Energy
  • AUS CATL Battery Platform