H.I.G. Infrastructure Acquires Controlling Interest in Greenflash Infrastructure

H.I.G. Infrastructure Acquires Controlling Interest in Northern Biogas

September 20, 2022

Renewable Energy

H.I.G. Capital’s infrastructure arm, H.I.G. Infrastructure, has acquired a controlling interest in Northern Biogas, a Morgantown, West Virginia–based waste-to-renewable natural gas company that develops, builds, owns and operates anaerobic digester and RNG facilities. The investment will support Northern Biogas’ development pipeline of dairy, landfill and food-waste RNG projects across the U.S. as the company scales its construction, operations and service capabilities.

H.I.G. Infrastructure Acquires Controlling Stake in Fluo Group Oy

August 20, 2025

Environmental Services

An affiliate of H.I.G. Capital’s infrastructure platform has acquired a controlling interest in Fluo Group Oy, a Finnish circular-economy waste management and recycling platform headquartered in Kokkola. H.I.G. will partner with Fluo’s management to accelerate service and geographic expansion across Finland, invest in sustainable waste infrastructure, and pursue buy-and-build add-on opportunities.

Oak Hill Capital Acquires Controlling Interest in Greenlight Networks

March 7, 2022

Telecommunications

Oak Hill Capital will acquire a controlling interest in Greenlight Networks through its Oak Hill Capital Partners VI fund and plans to invest up to $300 million to accelerate the fiber-to-the-home expansion across New York and beyond. Greenlight currently serves approximately 80,000 homes, employs about 160 people, and the transaction is expected to close pending New York State Public Service Commission approval.

DIF Capital Partners Acquires Majority Interest in Green Street Power Partners

April 3, 2023

Renewable Energy

DIF Capital Partners agreed to acquire a majority equity interest in Green Street Power Partners, a US-based developer, financier, owner and operator of distributed generation solar projects. The investment will be executed through DIF Infrastructure VII and is intended to grow DIF's North American renewable portfolio and support Green Street's execution of its 2 GW+ pipeline.

H.I.G. Infrastructure Acquires Controlling Interest in PolarDC Group

October 7, 2024

Infrastructure

An affiliate of H.I.G. Capital’s infrastructure strategy has acquired a controlling interest in PolarDC Group Limited, a European developer, owner and operator of high-performance computing (HPC) data center infrastructure. Polar’s first data center in Norway will offer up to 48MW of capacity, powered by 100% renewable hydroelectric power, and early investor LIAN Group will retain a minority stake as H.I.G. supports delivery of Polar’s near-term project pipeline to serve AI/HPC demand.

Hull Street Energy Makes Strategic Investment in Greenskies Clean Focus

October 16, 2023

Renewable Energy

Hull Street Energy has made a strategic growth investment in Greenskies Clean Focus, a vertically integrated developer, constructor, financier, owner and operator of distributed solar, storage and microgrid projects. The investment expands Hull Street Energy's footprint in critical power infrastructure and will support accelerated deployment of behind-the-meter renewable resources across the United States, in collaboration with prior investor JLC Infrastructure and Greenskies leadership.