Green Mountain Energy has been leading the way in Texas renewable energy for nearly 30 years. It brings Texans 100% renewable plans at prices that compete with traditional electricity providers. Green Mountain electricity rates are competitive with the current market in Texas, landing between 16 and 19 ¢ per kWh.
We scored Green Mountain Energy a strong 4.9 out of 5 stars, based on great customer reviews, easy-to-use online tools and more.
Green Mountain Energy Plans and Rates
Green Mountain offers straightforward rates (no bill credits), with fixed-rate plans, “free” wind energy nights plans, and solar plans featuring:
Most of Green Mountain’s plans have fixed rates that are locked in until the end of the contract term. Contract lengths usually range from month-to-month to 12, 24, and 36 months.
The company offers competitive rates, and despite not being the cheapest option on the market, it’s a highly trusted brand and part of the NRG family of light companies.
Green Mountain Pollution Free Plans
Green Mountain Energy offers the Pollution Free plans that are 100% renewable energy, generated from wind power. There plans are basic straightforward fixed-rate plans usually offered for 12, 24 and 36 months.
There is also the Pollution Free e-Plus featuring rates which are not fixed can be useful for certain customers, but be cautious because variable rates are more likely to produce bill surprises.
Our team collected rates for all the plans offered in Houston. Here are the plan options:
| Plan | Rate (¢ at 2,000 kWh) | Term Length | Features |
|---|---|---|---|
| Pollution Free ™ e-Plus 24 | 16.9 | 24 months | 100% wind energy |
| Pollution Free ™ e-Plus 12 | 17.5 | 12 months | 100% wind energy |
| Pollution Free ™ e-Plus | 18.9 | month-to-month | 100% wind energy |
| Pollution Free ™ Weekend Warrior 12 | 18.5 | 12 months | Free electricity from 8 p.m Friday to 12 a.m Monday |
| Pollution Free ™ All Nighter 24 | 17.5 | 24 months | Free electricity from 8 p.m to 6 a.m |
| Pollution Free ™ All Nighter 12 | 17.9 | 12 months | Free electricity from 8 p.m to 6 a.m |
Rates above were collected for the Houston zip code 77077 in February 2025.
Go Local Solar Plans
Energy for these plans is sourced from Texas solar facilities according to the EFL. It’s a straightforward plan.
| Plan | Rate (¢ at 2,000 kWh) | Term Length | Features |
|---|---|---|---|
| Go Local Solar 18 | 16.9 | 18 months | 100% solar energy |
| Solar All Nighter 12 | 17.9 | 12 months | Lower electricity prices from 8 p.m to 6 a.m |
Rates above were collected for the Houston zip code 77077 in February 2025.
Renewable Rewards Plans
Earn credits for excess solar energy produced by your home’s solar panels through these solar buyback plans:
| Plan | Rate (¢ at 2,000 kWh) | Term Length | Features |
|---|---|---|---|
| Renewable Rewards® Essential 12 | 18.9 | 12 months | Get credit for the excess solar energy you produce, limited to your monthly grid usage. |
| Renewable Rewards® Essential 24 | 18.3 | 24 months | Get credit for the excess solar energy you produce, limited to your monthly grid usage. |
Rates above were collected for the Houston zip code 77077 in February 2025.
Renewable Energy Credits (RECs)
By purchasing a 100% green plan, you don’t need to install expensive solar panels on your home.
With the enrollment in a Green Mountain electricity plan, you support cleaner energy by matching your annual paid energy usage with an equivalent quantity of power produced by renewable sources of electric generation in the US.
The company purchases and retires renewable energy certificates (RECs) representing the environmental attributes associated with green energy generation for your paid usage. Customers don’t receive power from a specific generation facility under REC programs.
Green Mountain Energy Review
According to our rating system, Green Mountain Energy earned 4.9 out of 5 stars, one of the highest scores out of over 80 electricity companies.
We sent out a survey to Texans in deregulated zip codes and relied on the results to score energy providers. To score Green Mountain, we asked 40 of their customers important questions about customer satisfaction, online experience, issue resolution and more. We also gathered Green Mountain Energy reviews from independent review sites, the State of Texas Public Utility Commission Complaints Statistics and other review sources.
According to our survey, the majority of Green Mountain Energy customers said they definitely won’t switch providers when their contract expires and 70% said they would recommend Green Mountain to a friend.
Green Mountain out-performed the average for Texas electricity companies in every category we scored. Here’s how the company measured up vs. the competition:
Green Mountain Customer Reviews
Despite rave reviews from our survey respondents, Green Mountain only has 3.9 stars on Google Reviews with 3000+ reviews submitted.
When we asked Green Mountain's consumers why they chose this company, here's what they said:
"They were the first to come out with 100% renewable energy at a reasonable rate, and they have great customer reviews. Very reliable."
"It was the cheapest I could find for 100% renewable energy"
"They were the best when I shopped around and i liked the renewable energy"
Requirements to Start Service
Signing up for service is easy - simply enroll online or call for operator service at 844-724-3211.
You'll need to provide identification to sign up. You can use your driver's license or another acceptable form of ID to confirm that the service is being set up for you.
Some customers may be asked to make a deposit during the enrollment process to start a new service. The Electricity Facts Label (EFL) for your plan will specify the rates you will pay at various usage levels.
Bill Pay
Green Mountain offers a wide range of payment options, including:
- Online bill pay using the options on MyAccount Green Mountain Energy login page
- One-time bill payment with guest pay without account login
- Automatic bill pay using AutoPay feature in your account
- Phone bill pay with a card or checking account by calling 844-724-3211
- In-person bill pay at CheckFreePay station locations (for residential customers) and authorized bill pay locations
- Mail bill payment with an enclosed bill pay coupon sent to Green Mountain Energy, P.O. Box 660305, Dallas, TX 75266-0305
Your bill will include the energy rates you are paying, the kWh you've used, and your total energy use and energy expense.
Cancelling Green Mountain Energy Plans
If you have a fixed-term contract, you should notify the company 30 days in advance. Additionally, if you're terminating service before the contract ends and not canceling due to a move-out from your current residence, you'll have to pay an Early Termination Fee as described in each plan's Electricity Facts Label.
For most of the 12-month plans, the cancellation fee is $150 and for 24- months plans it's $295.
Transferring Electricity Service
Existing customers who are interested in transferring their service to a new address can set up a transfer easily using their online account portal or by starting the online form.
Business Electricity with Green Mountain
Green Mountain offers renewable energy options for businesses. Businesses interested in 100% clean energy or reducing their carbon footprint can get an online quote directly from Green Mountain.
Report a Power Outage
Power outages are managed by your utility company, not Green Mountain energy. If you have a power outage, report it to your transmission and delivery utility (TDU). Green Mountain is an electricity retailer and not a TDU, so you'll have to reach out your local area TDU to report a power outage.
Texas TDU contact info:
- Oncor: 888-313-4747
- AEP: 866-223-8508
- Centerpoint Energy: 800-332-7143
- Texas New Mexico Power (TNMP): 888-866-7456
- Sharyland Utilities: 800-545-4513
About Green Mountain Energy
Green Mountain Energy was one of the first light companies to solely focus on green energy for homes. It is a subsidiary of NRG Energy.
The power company got its start in Vermont in 1997. In 2014, it installed its 75th solar facility at the Texas Theater in Dallas. Retail electric companies in Texas including Reliant Energy, Direct Energy, Stream Energy, Cirro Energy, and Discount Power are sister companies.
For customer service, call 844-724-3211. Like many Texas light companies, they don't have 24/7 service, but operators are available daily starting early in the morning till late at night.
Call volume is lowest on Wednesday between 11:30 am and 6 pm and on Thursday and Friday from 11:30 am to 8 pm.
You can also get help online from a live agent via chat, and you can send email inquiries through the company's web page.
Business Information
The headquarters in Texas are located in:
910 Louisiana St 22nd floor, Houston, TX 77002
Green Mountain Energy Frequently Asked Questions
Does Green Mountain Energy have an app?
Yes, it has a Green Mountain Energy app, and it's available for Android and iOS mobile devices. Using the app, you can request to transfer your account, pay bills, check the balance, manage your plan and account services, and more.
You can even select options to monitor your electric usage and earn badges for increasing your green impact.
Is Green Mountain Energy good?
Green Mountain Energy is a good choice if you're looking for clean electricity from 100% renewable energy generation sources like wind and solar.
The company garners excellent ratings and have a loyal customer base for their energy services.
Does Green Mountain Energy require a deposit?
Green Mountain Energy does not offer pay-as-you-go plans with no deposit and no credit check. When you apply for service, Green Mountain will assess your credit to decide whether you need to pay a deposit.
The provider may refuse to provide a connection without a deposit if your payment history reveals two or more late payments.
Are Green Mountain Energy rates expensive?
The provider offers affordable rates, but is generally not the cheapest electric company for green energy.
What is the Sun Club?
For over 20 years, the company has offered sustainable solutions to the communities it serves by giving grants for projects that promote clean energy, energy efficiency, resource conservation and stewardship of the environment.
These projects have low carbon footprints and protect the environment.
How We Rate and Review Texas Electricity Companies
With dozens of providers and hundreds of plans available in the deregulated Texas market, choosing the right one can feel overwhelming. We created a comprehensive rating methodology to help you cut through the complexity and find the best electricity plan for your needs, whether you're moving to Texas or looking to switch providers.
We've researched dozens of Texas electricity providers and scored them out of 5 stars based on results from our 2025 energy survey of 1,600 Texans, scoring providers on customer satisfaction, experience and retention. Here's how these core factors weighed into our ratings:
- Customer satisfaction (30%)
- Customer retention (30%)
- Online experience (20%)
- Customer experience (20%)
