ArcLight Capital Partners
ArcLight Capital Partners is a leading private equity firm specializing in energy, infrastructure, and the global energy transition. Founded in 2001, ArcLight pioneered an asset-based investment approach across the power, renewables, and broader energy value chain. With a strong track record spanning more than two decades, the firm has established itself as a value-added infrastructure investor focused on assets critical to electrification, grid reliability, and the digital economy. To date, ArcLight has owned, controlled, or operated over 65 gigawatts of energy assets and 47,000 miles of electric and natural gas transmission and storage infrastructure, representing more than $80 billion in enterprise value.
ABOUT ARCHLIGHT CAPITAL PARTNERS
ArcLight Capital Partners is a leading private equity and infrastructure investment firm that has been financing and operating critical electrification infrastructure since 2001.
The firm is a recognized leader in power generation, renewable energy, transmission, and strategic natural gas infrastructure, with a proven track record of creating long-term value across the energy transition.
To date, ArcLight has invested approximately $27 billion across 119 transactions, including more than $11 billion of equity capital dedicated to electrification investments such as power, transmission, renewable infrastructure, and emerging energy transition technologies.
CORE AREAS OF FOCUS
Power Infrastructure
ArcLight invests in lower-carbon power generation, grid modernization, and transmission assets. Its expertise spans technical due diligence, operations, asset management, permitting, construction, and contracting, ensuring reliable and efficient energy delivery.
Renewable Infrastructure
The firm actively invests in wind, solar, hydro, and energy storage projects. Through ArcLight Renewable Services (ARS) and platforms such as SkyVest Renewables ($500 million capitalization), ArcLight provides hands-on operational management to maximize efficiency and returns.
Strategic Gas Infrastructure
ArcLight focuses on natural gas transmission, storage, and export pipelines that support the energy transition. These assets provide resilience to the grid, enabling lower-carbon power generation and laying the foundation for future fuels.
Transformative Infrastructure
The firm is advancing next-generation energy solutions, including utility-scale battery storage, data-center power systems, and grid-edge technologies. Its subsidiary Elevate Renewables is developing large-scale storage projects, including New York City’s largest battery installation.
Opportunistic Infrastructure
ArcLight selectively acquires and repurposes traditional or fossil-fuel midstream assets, focusing on those with long-term contracts and resilience to policy and market risks, including offshore infrastructure investments.