PE Firm · Capital Allocator

First Reserve Corporation

Medium
Stamford, USA · Founded 1984 · AUM $14.3 billion · Website
Leveraged BuyoutsGrowth CapitalVenture CapitalEnergyRenewable EnergySolar EnergyCoalInfrastructure ServicesNorth AmericaEurope
Last verified
10/8/2026

Firm Overview

19
Portfolio tracked
5
Sectors
2
Regions
10/8/2026
Last verified

First Reserve Corporation is a private equity firm specializing in leveraged buyouts and growth capital investments in the energy sector. Founded in 1984, it is the oldest and largest private equity fund dedicated to energy investments.

Founded in 1984, First Reserve Corporation is the oldest and largest private equity firm dedicated to investments in the energy sector. The firm operates out of offices in Stamford, Houston, and London, specializing in leveraged buyouts and growth capital. It has a long history of raising significant energy-focused funds, including its twelfth fund, First Reserve Fund XII LP, which raised approximately $8.9 billion in 2008.

The firm's investment focus spans the traditional energy sector, including coal and drilling companies, as well as renewable energy. In 2008, the firm expanded its renewable energy program through the acquisition of Gamesa Solar and the formation of a European renewable energy group. Notable historical transactions include the establishment of Alpha Natural Resources and major acquisitions such as Dresser-Rand and CHC Helicopter.

Founded1984
HeadquartersStamford, USA
AUM$14.3 billion
Employees155 (2017)
StrategiesLeveraged Buyouts, Growth Capital, Venture Capital
Sector focusEnergy, Renewable Energy, Solar Energy, Coal, Infrastructure Services
Geographic focusNorth America, Europe

Leadership

Alex T. Krueger
Chairman

Notable Investments

Gamesa SolarPBF EnergyCHC HelicopterBrand ServicesDresser-RandPride InternationalEnterra CorporationAlpha Natural Resources

Historical and current deals referenced in public sources.

Portfolio Companies

Portfolio Web Readiness

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Sources

This profile is based on publicly available information and may be incomplete or outdated. PE Firm Index is not affiliated with First Reserve Corporation and does not provide investment advice.

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