ib vogt GmbH

Established in 2002, ib vogt GmbH develops, builds, operates, and delivers high-quality, large-scale turnkey PV plants worldwide.

Intervention Energy, LLC

Based in Minot, North Dakota, Intervention Energy is one of the largest privately held non-operated oil and gas companies with a primary focus on the Bakken and Three Forks plays.


Chesapeake Energy Corporation (NYSE:CHK) is the second-largest producer of natural gas and the 10th largest producer of oil and natural gas liquids in the

Jonah Energy

Jonah Energy is a growth oriented exploration and production company focused on acquiring and operating oil and gas properties located onshore in North America.

Kinder Morgan, Inc.

Kinder Morgan, Inc., is an energy infrastructure company in North America.

Manabi, S.A.

Manabi is a Brazilian pre-operational mining company engaged in the exploitation of high grade iron ore in Brazil and integrated logistics for sale of such iron ore.

Maverick Natural Resources, LLC

Maverick Natural Resources, LLC (formerly Brietburn Energy Partners, LP) focuses on the acquisition, development, and production of oil and gas properties throughout the United States.


MECO IV, LLC is an oil and gas acquisition, exploitation and exploration company, based out of Denver, Colorado.

Middle River Power

Middle River Power West is a 500+ MW portfolio of efficient, natural gas-fired generators in California, providing reliability to the State’s electrical grid as it increases its renewable power standards.

Modern Energy

Modern Energy is a distributed energy company dedicated to providing affordable, reliable, and sustainable energy for all.

New Age (African Global Energy) Limited

New Age (African Global Energy) Limited is a privately held oil and gas company with a high quality portfolio of assets located predominantly in sub-Saharan Africa.

NextEra Energy

South Texas Midstream, LLC (“STX Midstream”) is a joint venture between EIG and NextEra Energy Partners, L.P. (NYSE: NEP) that owns a portfolio of operational, long-term contracted natural gas pipeline infrastructure assets in Texas.

NGL Energy Partners

NGL Energy Partners, LP owns and operates a diversified midstream asset base across the United States.

Northeast Natural Energy

Northeast Natural Energy (the “Company” or “NNE”) is a private oil and gas company headquartered in Charleston, WV, focused on the acquisition and development of natural gas reserves within the Appalachian Basin.

Nustar Energy, LP

NuStar Energy L.P., a publicly traded master limited partnership based in San Antonio, is one of the largest independent liquids terminal and pipeline operators in the nation that stores and distributes crude oil, refined products and specialty liquids.

The portfolio companies shown represent substantially all of EIG's investments in energy portfolio companies made since 2010, realized and unrealized, as of September 30, 2021. The specific portfolio companies identified are not representative of all of the portfolio companies purchased, sold, or recommended for the funds and it should not be assumed that the investment in the portfolio companies identified was or will be profitable. Actual holdings will vary for each fund and there is no guarantee that a particular fund will hold any or all of the portfolio companies listed. A list of all investments is available upon request.