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Green Mountain Energy Review 2026: Plans, Rates & Is It Good?
Updated on July 15, 2026
What is Green Mountain Energy?
Green Mountain Energy is a retail electricity provider focused on 100% renewable energy, part of NRG. It supplies green electricity in deregulated markets while your local utility delivers the power. Founded in 1997, it markets itself as the longest-serving all-renewable retail provider.
Where is Green Mountain Energy available?
Green Mountain serves Texas and select other deregulated states. Availability and plans differ by state and utility territory, so enter your ZIP to see whether Green Mountain serves your address and what its current rate is.
Green Mountain Energy plans and rates (2026)
Electricity rates change constantly and depend on your usage and utility territory, so we don’t quote a single price — instead, here are the plan types Green Mountain Energy is known for. Always check the current rate and the Electricity Facts Label (EFL) for your address before enrolling.
| Plan type | How it works | Best for |
|---|---|---|
| Pollution Free (100% renewable) | Fixed green energy | Eco-conscious homes |
| Solar buyback | Credit for home solar export | Solar owners |
| Fixed & variable options | Standard plan structures | Flexibility |
Compare Green Mountain Energy’s live rates against other providers on the Green Mountain Energy site and through our comparison tools.
Is Green Mountain Energy legit and a good provider?
Green Mountain is a long-established, licensed provider and a recognized leader in renewable retail energy. Its rates run a bit higher than bare-bones plans in exchange for 100% renewable sourcing — read the EFL and compare before signing.
Green Mountain Energy pros and cons
| Pros | Cons |
|---|---|
| 100% renewable pioneer; solar buyback | Green plans can cost more than budget plans |
| Available in multiple deregulated states | Availability/plans vary by state |
| Backed by NRG | Promo rates rise after the term |
How to switch to or cancel Green Mountain Energy
Switching electricity providers in a deregulated market is simple: compare current plans for your address, pick one, and the new provider handles the switch — there’s usually no interruption in service. If you’re on a fixed-term plan, check the Electricity Facts Label for any early termination fee before leaving. Start by comparing Green Mountain Energy against other providers by ZIP.
Paying Too Much for Electricity?
Rates change constantly, and loyalty rarely pays. Compare electricity plans available at your address — fixed-rate, variable, and green options, side by side.
Green Mountain Energy FAQ
Is Green Mountain Energy good?
Green Mountain is a strong choice if 100% renewable energy and solar buyback matter to you. Its rates can be higher than budget plans, so compare its current rate against other providers at your address.
Is Green Mountain Energy 100% renewable?
Yes. Green Mountain’s residential plans are backed by 100% renewable energy, and it was one of the first retail providers built entirely around clean power.
What states is Green Mountain Energy in?
Green Mountain serves Texas and several other deregulated states; availability varies by state and utility. Enter your ZIP to confirm.
Who owns Green Mountain Energy?
Green Mountain Energy is owned by NRG Energy.
How do I cancel Green Mountain Energy?
Switch at the end of your term with no fee, or pay an ETF to leave a fixed plan early. Enrolling with a new provider handles the switch — compare options first.
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How do I contact Green Mountain Energy customer service?
Reach Green Mountain Energy customer service at 1-866-785-4668, seven days a week 7am–10pm CST. You can also manage your account, view your bill, and pay through the Green Mountain Energy online portal.
