Energy Capital Partners
PE / Debt fund · Summit · United States
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Profile
Energy Capital Partners is a private equity investor specializing in energy transition infrastructure, headquartered in Summit, New Jersey. Founded in 2005 by Doug Kimmelman, an ex-Goldman Sachs Senior Managing Director, the firm operates with a large team experienced in electricity and sustainable infrastructure markets. Their competitive edge lies in operational involvement to build, scale, and improve portfolio companies, aligning with the evolving energy landscape. ECP invests in sectors including power generation, renewable energy, energy storage, and sustainable infrastructure. They focus on mid-to-large-scale transactions in North America and frequently work with global institutional investors like sovereign wealth funds and pension plans. Notable funds under their management include ECP V ($4.4 billion, 2024) and ECP VI ($8.1 billion, 2025). Their investment size typically ranges from $50-100 million. Notable investments from ECP include DCC - a global multi-energy sales company, EnergySolutions - a nuclear services provider, and Grain LNG - Europe's largest LNG terminal. Past exits include Calpine to Constellation Energy and others like Cornerstone Generation and Liberty Tire Recycling.
Contacts (2)
| Name | Title | Phone | ||
|---|---|---|---|---|
| Executive Chairman/Founder | — | — | — | |
| Managing Partner & COO | — | — | — |
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