Customer Service

We’re here if you have any questions about your existing Massachusetts electricity account with Green Mountain Energy.

Tel: 1-844-245-9583
Hours: Mon – Fri 8 a.m. – 8 p.m. ET

Moving? Call us to transfer your electricity service to your new address!

Lights Out? Billing Questions?

To report an outage or to talk to someone about your billing, please call your local utility company directly.

New Residential Customers

If you’re ready to help Green Mountain Energy inspire hope and motivate action through the use of clean energy, and you’ve never had an account with us before, join our community now!

Call: 1-844-853-7531
Hours: Mon – Fri 8 a.m. – 8 p.m. ET

Nuestros clientes han evitado generar


libras de CO2

Eso es como plantar


árboles nuevos.