Lime Rock New Energy Makes Growth Investment in Hawk Line Construction

Lime Rock New Energy Acquires Controlling Stake in Electric Power Engineers (EPE)

January 13, 2022

Energy

Lime Rock New Energy, a growth equity firm focused on the energy transition, has acquired a controlling interest in Electric Power Engineers, LLC (EPE). The investment provides growth capital to accelerate EPE's expansion of engineering, consulting, and software solutions for power systems, while EPE president Hala N. Ballouz will remain CEO and a significant minority owner.

BayHawk Capital Makes Growth Investment in Gridco

February 24, 2026

Industrial Services

BayHawk Capital, a private equity firm, has made a strategic growth investment in Gridco, a provider of distribution, transmission and substation maintenance, upgrade and construction services for electric utilities. The founders remain majority shareholders and will continue to lead the company; proceeds will support organic growth and strategic acquisitions and expand Gridco's ability to serve utility clients across the Southeastern United States.

Lime Rock Partners Commits Equity to Athena Energy Partners

January 15, 2026

Oil & Gas

Lime Rock Partners has closed an equity commitment to Athena Energy Partners, a Houston-based upstream oil and gas company led by former Ensign Natural Resources executives. The capital will support Athena’s acquisition, optimization and development of oil and gas properties with an initial focus on South Texas’ Eagle Ford Shale.

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.

Gainline Capital Partners Makes Growth Investment in Atlantic Energy

July 13, 2021

Energy

Gainline Capital Partners has made a growth investment in Atlantic Energy, a Deerfield Beach, Florida-based electricity and natural gas retailer that bundles value-added, tech-enabled products to help customers reduce consumption. The financing provides Atlantic with its first institutional capital to accelerate growth; industry veteran Deryl Brown joined as Executive Chairman as part of the transaction.

MidOcean Partners Makes Preferred Equity Investment in GridHawk Holdings

May 23, 2024

Infrastructure

MidOcean Partners has made a preferred equity, non-control growth capital investment in GridHawk Holdings to support the company’s geographic expansion and service offering growth. The investment, made in partnership with independent sponsor Cascata Capital, includes senior debt financing provided by BMO and was advised by Solomon Partners.