Frequently Asked Questions

Current and potential members

If you're a residential Green Mountain customer, simply log in to My Account and sign up for a recurring $5 donation. For your convenience, your donation will be added to your monthly bill. You may cancel at any time. You may also go online to make a one-time donation.

You're already a Sun Club supporter, thanks to Green Mountain's monthly donation on behalf of every customer in the Northeast and Midwest! If you'd like to go a step further, you can go online to make a personal contribution.

No. While contributions to the Sun Club are not tax deductible for federal income tax purposes, Green Mountain Energy Sun Club is a sustainable charitable program that provides grants to nonprofit organizations formed under Section 501(c)(3) of the U.S. Internal Revenue Code. These grants allow nonprofits to further their missions by improving their financial, social and environmental impacts in their communities.

Absolutely! You can help by spreading the word about the Sun Club and by encouraging your favorite nonprofit organizations to apply online.

Grant applicants

Donation amounts depend on a number of factors, including evaluation of the environmental, social, and financial impact of the donation. Past donations have ranged from $50,000 to $400,000.

Yes, the Sun Club is always accepting new applications. Recipients will be chosen on a quarterly basis.

The Sun Club offers assistance in identifying qualified vendors for sustainability projects. Grant recipients often find our experience with the bidding and the installation process helpful.

The Sun Club donates the funds for the recipient organization to purchase, install, or enact the sustainability project. The nonprofit receiving the sustainability grant owns and is responsible for the project, along with any contracts or warranties. The nonprofit receiving the grant is also responsible for the upkeep and maintenance of the project, if applicable.

No, we've expanded our mission to support other sustainability initiatives that include but aren't limited to:


  • Clean Transportation
  • Education and Awareness
  • Energy Efficiency
  • Renewable Energy
  • Resource Conservation
  • Sustainable Agriculture

We’re open to new, creative ideas from nonprofit organizations interested in utilizing and promoting sustainability initiatives.

The expected life of a typical system is about 25 years. Because there are no moving parts, very little maintenance is required. Photovoltaic panels require infrequent cleaning to remove any built-up dirt, pollen or other materials that can reduce the efficiency of the system. If you live in a humid environment, rainfall may be sufficient to keep your panels clean.

No, sustainability grants are reserved for nonprofit organizations with socially responsible missions.

Our customers have avoided


pounds of CO2

That’s like planting


new trees.