QE Solar Acquires Vanguard Energy Partners’ Operations & Maintenance Division

QE Solar Acquires Quercus Land Stewardship Services' Renewable Team

March 31, 2026

Energy

QE Solar announced it has acquired the renewable services team of Quercus Land Stewardship Services LLC (Quercus), which provides vegetation management and land stewardship services for renewable energy infrastructure. The deal is intended to strengthen QE Solar’s vegetation management capabilities and expand its service coverage in the Midwest for utility-scale and commercial/industrial solar and BESS assets.

QE Solar Acquires Donahue & Sons

May 23, 2025

Energy

QE Solar LLC has acquired Donahue & Sons Mgmt., Inc., expanding QE's nationwide operations and maintenance platform by adding large-scale vegetation management and site maintenance capabilities for solar, BESS and related energy installations. The deal integrates Donahue's leadership and staff into QE to provide expanded, end-to-end site stewardship and maintenance services for utility and commercial renewable projects.

QE Solar Acquires S3 Power, Inc.

September 26, 2024

Energy

QE Solar LLC has acquired S3 Power, Inc., a Walpole, Massachusetts-based specialist in medium- and high-voltage commissioning, testing, construction and maintenance for substations and renewable energy projects. The deal strengthens QE Solar's in-house MV/HV and substation servicing capabilities for utility-scale and distributed generation solar and BESS projects, and S3 owner James Swansey will join QE as Vice President, Medium Voltage and Protection & Controls.

424 Capital Acquires QE Solar

May 7, 2021

Renewable Energy

424 Capital has completed the acquisition of QE Solar, a Cranford, New Jersey-based provider of operations and maintenance (O&M) services for commercial, industrial, and utility-scale solar and battery energy storage systems. The investment will provide capital to support QE Solar's nationwide workforce growth and expand its capabilities in solar and battery storage services; QE Solar employs over 80 field technicians and engineers and services more than 2.0 GW of C&I solar installations.

NovaSource Acquires First Solar's North American O&M Business

March 31, 2021

Renewable Energy

NovaSource Power Services (a Clairvest-backed platform) completed the acquisition of First Solar’s North American operations & maintenance business (First Solar Energy Services), making NovaSource the largest solar O&M provider globally. Clairvest provided incremental equity to support the deal; the transaction transfers First Solar’s North American O&M operations to NovaSource to deepen O&M capabilities across utility, commercial, industrial and residential solar assets.

Clairvest Acquires SunPower's O&M Business and Rebrands It NovaSource Power Services

May 14, 2020

Energy

Clairvest Group Inc., together with its fund Clairvest Equity Partners VI (CEP VI), acquired the solar operations and maintenance (O&M) business of SunPower Corporation and will rebrand the business as NovaSource Power Services. The transaction is a management buyout with the SunPower O&M leadership taking material equity; Clairvest intends to build NovaSource as a global buy-and-build solar O&M platform to expand capabilities and geographic reach.