Capstone Green Energy Acquires Cal Microturbine, LLC

Mortenson Acquires Nor-Cal Controls

April 8, 2026

Infrastructure

Mortenson announced it has acquired Nor-Cal Controls, a controls systems provider specializing in energy management control systems for solar, battery energy storage, and microgrid applications. The acquisition is intended to strengthen Mortenson’s capability to deliver increasingly complex energy and infrastructure projects by combining advanced controls expertise with its engineering, procurement, and construction (EPC) capabilities.

Monarch Alternative Capital Leads $112.5 Million Strategic Investment in Capstone Green Energy

March 30, 2026

Energy

Capstone Green Energy Holdings closed a $112.5 million strategic investment led by funds managed by Monarch Alternative Capital, consisting of $80 million of senior convertible preferred stock and $15 million of common stock, plus a $17.5 million PIPE to accredited investors. Proceeds were used to redeem legacy preferred equity in Capstone Green Energy LLC (held by Capstone Distributor Support Services LLC, controlled by Goldman Sachs), making the operating subsidiary wholly owned by Capstone.

Capstreet Acquires TOPS Field Services, LLC

January 29, 2026

Industrial Services

Capstreet, a Houston-based lower middle market private equity firm, acquired TOPS Field Services, LLC, a provider of turbine maintenance and outage services for gas/steam turbines, LNG equipment, and generators. The management team, including founder and CEO Toby Wooster, will remain with the business, and financial terms were not disclosed.

Constellation Energy Acquires Calpine from Energy Capital Partners

January 7, 2026

Energy

Constellation Energy completed its acquisition of Calpine Corporation from Energy Capital Partners (ECP) in a transaction valued at $26.6 billion, creating the largest U.S. electricity producer. The combined company pairs Constellation’s nuclear generation with Calpine’s natural gas and geothermal assets to serve 2.5 million retail and business customers nationwide.

True Green Capital Management Acquires Majority Stake in CleanChoice Energy

April 28, 2023

Energy

Funds managed by True Green Capital Management (TGC) agreed to acquire a majority ownership stake in CleanChoice Energy and will commit an additional $100 million to develop, acquire, own, and operate CleanChoice solar projects. The deal will combine CleanChoice's retail green energy platform and customer base (about 215,000 residential customers) with TGC's solar generation capabilities across multiple U.S. competitive markets, securing long-term access to power, capacity, and RECs to support growth.

Battle Investment Group and Capricorn Holdings Acquire Turbopower

June 21, 2021

Aerospace & Defense

Turbopower, an MRO provider for gas turbine engines, auxiliary power units and components based in Opa-Locka, Florida, was acquired by Battle Investment Group and Capricorn Holdings in a transaction that closed on June 21, 2021. Vlad Miskovic will become President as the new owners plan internal investments, capability expansion and footprint growth to support commercial and military customers worldwide; terms were not disclosed.