• ALL COOP, 2026

For over 24 years, PV Squared has been a worker-owned solar cooperative designing, installing, and maintaining solar and battery systems for homeowners and businesses across Western Massachusetts — including Hampden County, Hampshire County, Franklin County, Berkshire County, the North Quabbin region, and Southern Vermont.


Locally owned and operated in Greenfield, MA, PV Squared is a Certified B Corporation, NABCEP Accredited, and DCAMM Certified — with a reputation built on democratic business practices, unrivaled precision, and long-term customer care.

Hablamos español — desde la primera conversación hasta la instalación y el servicio.


Expert solar installation and long-term service for homes and businesses, with thoughtful, commission-free advising focused on what’s right for your project.

  • Eliminate your electric bill.
  • Reduce your carbon footprint.
  • Increase the value of your home.
  • Lower operational costs.
  • Maximize your financial returns.
  • Smart, high-yield investment.
  • Excellent incentives.
  • Back-up power during grid outages.
  • Access solar when grid is down.
  • Less reliance on fossil fuels.

Local, worker-owned cooperative.

PV Squared is co-owned by its proud employees! As a worker-owned cooperative, we’re built for the long term — just like the systems we install.

Award Winning.

On both a local and national level, PV Squared has been consistently recognized as a leader in the solar industry. Best of the Valley, Top Solar Contractor, Best for the World, are just a few.

24+ years of expertise.

Solar systems are built to last 25+ years.

The company behind them should be, too!

Committed to our community.

Whether we’re donating solar to Habitat for Humanity or volunteering with Connecticut River Conservancy, we’re dedicated to helping our community thrive.


A Reputation Built Over Two Decades

Join the thousands of clients who have trusted PV Squared with their solar investment.


Learn what it’s like to work with PV Squared:


Serving Western Massachusetts and Southern Vermont

  • Hampden County: Springfield, Chicopee, Holyoke +
  • Hampshire County: Northampton, Amherst, Easthampton +
  • Franklin County: Greenfield, Shelburne Falls, Gill +
  • Berkshire County: Pittsfield, North Adams, Great Barrington
  • North Quabbin region: Athol, Orange, Gardner +
  • Southern Vermont: Brattleboro and surrounding towns

PV Squared partners with these trusted organizations to secure financing for your solar project.

Get started with solar energy today!