Active Investment Funds

Providing infrastructure to meet America’s energy needs

Fund Portfolio Companies

Haddington Ventures

Magnum Development

ACES Delta

IACX LLC

Eureka Resources

APEX CAES

Sawtooth Caverns

Haddington ESP

The Haddington Equity Syndication Program (ESP) closed in 2022 with $650 million in construction equity commitments for the ACES Delta hydrogen platform.

HEP Liquids

SAWTOOTH CAVERNS

NGL & refined products storage (Active)

Note: Holdings represent the complete list held in the fund as of March 2022.  Holdings are subject to change.

Haddington Energy Partners IV

In November 2012, Haddington announced the close of Fund IV with approximately $350 million in committed capital.  As such, Haddington is actively searching for midstream investment opportunities with strong experienced management teams.  Areas of focus include natural gas and liquids pipelines, gathering, processing, and treating facilities, gas and liquids storage, and other midstream service opportunities.

APEX CAES

Electric storage and power generation (Active)

EUREKA RESOURCES

Produced water treatment (Active)

Note: Holdings represent the complete list held in the fund as of March 2022.  Holdings are subject to change.

Haddington Energy Partners III

Haddington closed Fund III in May 2006 with total capital commitments of $182 million. Fund III is fully invested with four active portfolio companies and one realized investment. 

MAGNUM ENERGY

Energy Storage (Active)

Note: Holdings represent the complete list held in the fund as of March 2022.  Holdings are subject to change.