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Hull Street Energy acquires GridFlex Portfolio

PRIVATEAug 26, 2026

Acquiring Company

Hull Street Energy

Acquired Company

Rockland Capital

TexasEnergySustainabilityNatural ResourcesEnergyOil And Gas

Description

Hull Street Energy has completed its acquisition of two power plants from Rockland Capital, expanding its Milepost Power portfolio. The acquired GridFlex Portfolio consists of Lee County Generating Station and Tait Electric Generating Station. This acquisition increases HSE's capacity to nearly 5,000 MW of power generation. Both plants are located in the PJM market and support grid reliability.

Quick answer

Hull Street Energy is acquiring Rockland Capital, announced August 26, 2026.

How much did Hull Street Energy pay for Rockland Capital?
The deal value was not disclosed.
What does Hull Street Energy do?
Hull Street Energy is a private equity firm that specializes in deploying capital into the power sector as it decarbonizes.
Where are Hull Street Energy and Rockland Capital based?
Rockland Capital is based in Texas, United States.
Who are the decision-makers at Hull Street Energy?
Fundz holds 2 contacts at Hull Street Energy. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

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Company Information

Company

Hull Street Energy

About

Hull Street Energy is a private equity firm that specializes in deploying capital into the power sector as it decarbonizes. Headquartered in Bethesda, Maryland, the team leverages its decades of experience and unique knowledge of North American electricity infrastructure, fundamentals and grid operations, including fuel inputs, commodity contract structuring, renewable and fossil powered generation assets, energy storage, transmission and distribution systems, and electricity demand-side businesses to build value for stakeholders. For further information about Hull Street Energy please see www.hullstreetenergy.com.

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Frequently asked

Who acquired Rockland Capital?

Rockland Capital was acquired by Hull Street Energy. The deal was reported on August 26, 2026. Hull Street Energy is a private equity firm that specializes in deploying capital into the power sector as it decarbonizes. Hull Street Energy is privately held and operates in Energy.

When did Hull Street Energy acquire Rockland Capital?

Hull Street Energy's acquisition of Rockland Capital was reported on August 26, 2026. Hull Street Energy has completed its acquisition of two power plants from Rockland Capital, expanding its Milepost Power portfolio. The acquired GridFlex Portfolio consists of Lee County Generating Station and Tait Electric Generating Station. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does Rockland Capital do?

Rockland Capital, LLC is an investment firm focused on energy infrastructure assets. The company specializes in the acquisition and management of natural gas-fired power generation facilities. It is privately held, operating in Energy, and is based in Texas.

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