Pioneer Valley PhotoVoltaics Cooperative, Inc.

PV Squared—legally Pioneer Valley PhotoVoltaics Cooperative, Inc.—is a worker-owned cooperative specializing in the design, installation, and maintenance of solar photovoltaic systems since 2002. Based in Greenfield, Massachusetts, they serve homeowners, businesses, nonprofits, and public institutions across western Massachusetts and southern Vermont.
The company distinguishes itself through its cooperative ownership model: every employee has the opportunity to become an owner. This structure fosters deep engagement at every stage of each project—from initial site assessment through long-term service—resulting in high-quality installations tailored to client needs.
PV Squared has installed thousands of systems over more than two decades. Their expertise covers rooftop solar arrays for homes/businesses as well as larger-scale projects for schools or municipal buildings; they recently achieved DCAMM certification to work on state-funded public sector projects throughout Massachusetts. As a Certified B Corporation since 2014—and an Amicus Solar Cooperative member—they are committed not just to technical excellence but also social responsibility: providing living-wage jobs locally while advancing clean energy adoption.
Their reputation is reinforced by numerous awards including “Best Solar Company” by the Valley Advocate for multiple years running (2017–2024) and recognition as one of America’s Top Solar Contractors by *Solar Power World* magazine. They offer robust warranties (20-year workmanship/25-year product), comprehensive customer education/support after installation—including personalized owner manuals—and maintain an internal apprenticeship program training new electricians.