Eaglestone, a portfolio company of Aterian Investment Partners, has completed its Commonwealth Electrical Technologies acquisition.

Commonwealth, also known as CET, is a non-union provider of energy efficiency, solar, and commercial electrical services including installation, servicing & testing commercial solar panel investments, providing renovations, new construction services & electrical maintenance. The firm delivers its services for commercial / industrial facilities and specializes in optimizing lighting, mechanical work and EV charging stations throughout New England.

“We are excited to partner with CET and welcome CET to the Eaglestone family,” stated Andru Coren, CEO of Eaglestone. “CET has a longstanding history of providing exceptional service to its customers. Its expertise in solar & energy efficiency will complement Eaglestone’s existing capabilities. Through the acquisition of CET, Eaglestone will expand its commercial relationships throughout the Northeast, allowing us to better service our broader markets and continue our growth trajectory.”

Capstone Partners served as investment banking advisor to the seller. Mountain, Dearborn & Whiting LLP and Stolberg, Ebbeling & Blanchette LLP also advised the seller on the transaction. Kirkland & Ellis LLP and CohnReznick LLP advised Aterian and Eaglestone.