Doug Kimmelman, founder of Energy Capital Partners (ECP), invests primarily in energy infrastructure at. See portfolio, sector focus and contact routes.
Doug Kimmelman, founder of Energy Capital Partners (ECP), invests primarily in energy infrastructure at the private equity and control investor stage, focusing on sectors like power generation, renewable energy, energy storage, natural gas infrastructure, and decarbonization. His firm has deployed over $31 billion in capital across 600+ global partners, executing major take-private deals such as Calpine (50,000 MW of power capacity) and Atlantica Sustainable Infrastructure. Kimmelman’s distinctive thesis centers on clean, affordable, and reliable energy solutions to support the energy transition, recently expanding into AI-related power infrastructure and data centers through partnerships with KKR and ADQ.
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