Celebrate the planet every day with clean, sustainable energy.

Celebrate the planet every day with clean, sustainable energy.

See how greener actions can create hope for a cleaner future.

Over 20 years of providing solar and wind energy to residents of:

Texas Illinois Oregon Pennsylvania Maryland New Jersey New York Massachusetts

Graphic image of house with solar panels

Spring cleaning season is here.

Check out our sustainable cleaning  hacks for the most frequented rooms  in your house.

Learn More

Track your usage.

The Green Mountain App is the best tool for managing your account, viewing your usage and earning green living rewards.

Get the App

Drive cleaner. Live sustainably.

Help the planet this Earth Day and beyond by offsetting your gas-powered vehicle’s CO₂ emissions for just $5.99 a month.

Our mission.

It all started in Vermont in 1997. Our passion for protecting the environment led us to our mission: to inspire hope and motivate action through the use of clean energy. Today, as the longest-serving renewable energy retailer, we remain committed to sustainability every step of the way. By offering only products with an environmental benefit and operating with a zero-carbon footprint, we’re living our promise to the planet, inside and out.