Green Mountain Energy® Rates & Plans | 866-950-9564

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Green Mountain Energy is a pioneer of renewable energy plans in Texas. Compare Green Mountain energy rates in Texas by entering your zip code (their plans may not be offered in all zip codes).

You can enroll in a Green Mountain energy plan on Home Energy Club, or speak directly with their operator for expert help in choosing the best plan based on your home’s monthly usage levels.

Call toll-free now for more Green Mountain electric rates at 866-950-9564 (English and Spanish).


Call a Green Mt operator 

Compare Green Mountain Plans vs. Gexa Energy “Green” Plans

{total} Green Mountain Rates (Oncor Zone)

Plan Name Plan Length Rate
  • Live electricity rates last updated 09/28/2023 at 06:18 AM Central Time. Based on 1000 kWh. Enter your zip code above for rates in your area.

Call for more Green Mountain plans 

{total} Gexa Energy Rates (Oncor Zone)

Plan Name Plan Length Rate
  • Live electricity rates last updated 09/28/2023 at 06:18 AM Central Time. Based on 1000 kWh. Enter your zip code above for rates in your area.

Compare rates here or call Gexa at 866-950-9564. Give the operator promo code “GexaTX” for discount rates.

Speak with a Gexa operator 

Green Mountain energy rates have declined since last year and may drop further if temperatures decrease.

Get best Green Mountain plans in your zip code


As a leading electricity provider in renewable electricity, Green Mountain Energy understands that their customers want Texas energy plans that are both green and produce predictable monthly bills, so almost all of their plans have fixed rates that are locked in until the end of the contract term. The contract term lengths of Green Mountain electricity plans usually range from partial year to 12, 24 and 36 months.

Green Mountain Energy may not often be the cheapest electric company or always have the best electricity rates in Texas, but it is a highly trusted brand as part of the NRG family of light companies. Review Green Mountain Energy Houston rates and Green Mountain Energy Dallas rates, and also the rates for over 100 Texas cities you’ll find down the page.

To make quick comparisons of plans and rates from the best electricity providers, check out the Texas electricity rates chart on Home Energy Club in the filter section of the home page (look for the “Compare Plans” button).

Green Mountain Energy Reviews & Ratings

The company has received positive reviews from customers who have found this an affordable and efficient way to get green energy in the vast Texas electricity marketplace.

If you need to cancel your service, it’s best to speak with a customer service agent and make sure you understand the process thoroughly.

We have gathered Green Mountain Energy Reviews from independent review sites, the State of Texas Public Utility Commission Complaints Statistics and other review sources.

We use this information and combine it with our Home Energy Club/Amazon customer rating survey results to determine a Home Energy Club (HEC) rating for Green Mountain Energy.

HEC Green Mountain Energy Rating Score: 4.3/5

Green Mountain Energy Customer Ratings

Green Mountain Energy has impressive overall ratings on the reviewed categories, but the electric company’s rates are high compared to other energy providers which specialize in renewable energy (such as Gexa Energy). It has a low rating for pricing.

Green Mountain Energy Customer Reviews

Read more Green Mountain Energy customer reviews on our Green Mountain Energy reviews page.

While you’re reading Green Mountain reviews, visit the Smart Meter Texas website (smartmetertexas) to view your home’s historic energy usage.

Green Mountain Energy Promo Codes

Check to see if a Green Mountain Energy promo code, discount code, coupon code or referral code is featured this month on our energy promo codes page. These codes allow you discount rates.

Renewable Energy (Green Energy) Plans

In Texas, Green Mountain electricity is available from solar and wind energy sources. By going green with a renewable energy plan, you do not need to install expensive solar panels on your home. Solar panels at utility-scale solar farms absorb sunlight with their photovoltaic cells and use inverter technology to convert this to a usable alternating current, which is delivered to the electric grid and then to homes.

Wind power is generated using wind turbines. Large blades turn a rotor when propelled by the wind; the rotor connects to a main shaft which spins a generator, creating electricity, which is delivered to the Texas electricity grid.

You can help cut carbon emissions by enrolling in a green energy plan, or by using our guide to reduce your home’s energy usage and save money in doing so. You can cut your electricity bill while going green with competitive green energy rates on Home Energy Club.


Compare Texas green energy rates for your zip code

Other Green Mountain Energy Services and Products

In addition to selling you energy, Green Mountain Energy is also a light company that helps you reduce your cost of electricity, offering products that will give you added control over how you manage energy use in your home so you can reduce your energy bill.

Requirements to Start Green Mountain Energy Service

Signing up for service is easy. Simply enroll online in a Green Mountain electricity rate plan, 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 have to make a deposit to start a new service with Green Mountain Energy. The terms of your service plan will specify the Texas electricity rates that you will pay under the plan at various usage levels.

Green Mountain Energy Customer Service

The Green Mountain Energy phone number for live operator assistance in English and Spanish is 844-724-3211. Like many Texas electricity companies, they do not 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 a.m. and 6 p.m. and on Thursday and Friday from 11:30 a.m. to 8 p.m. Go to the Green Mountain Energy login page to access your account.

You can also get help online from a live agent via chat. Email inquiries can be sent through the company’s web page. These receive a response within 48 hours.

Green Mountain Energy Bill Pay

For your Green Mountain Energy Bill Pay, you can pay online through your Green Mountain Energy login. You can pay by mail by sending your payment and the receipt enclosed with the bill to: Green Mountain Energy, P.O. Box 660305 Dallas, TX 75266-0305. Also, you can set up autopay online and find physical locations to pay by going to the Green Mountain Energy Pay Bill page.

Your Green Mountain Energy bill includes a wealth of information about the benefits of the electric company. Their bill details the energy rates you are paying, the kWh you’ve used, and your total energy use and energy expense.

Tips to Lower Your Green Mountain Energy Bill

If you’re interested in lowering your Texas energy bill, the information on your bill can give you a good place to start. Evaluating your usage, you may realize key areas where you’re overspending. For example, if you notice seasonal spikes, you might consider installing a smart thermostat and a more energy efficient HVAC system so you can heat and cool your home more efficiently. Upgrades, like better insulation and door and window sealing, will reduce your energy usage as well.

Promo codes can cut your energy rate, and thus your electricity bill, with little effort when you enroll in a plan. Take a look at our promo codes page to see if a Green Mountain Energy promo code is available. 

If your bills get higher as the seasons change, you may want to reconsider how you’re using your lights. Switch to more efficient LED bulbs.

Connect your bulbs or their associated outlets to smart apps that let you control them remotely, so you can check and make sure all the lights are off even as you lay in bed. Small changes like these can translate to noticeable energy savings.

Switching, Moving In, Moving Out and Cancellation Fees

If you’re ready to start your service with Green Mountain Energy, it’s as easy as enrolling with a simple form online to get started. You need to be sure you’re choosing the right plan for you and your family, so be sure you understand the Electricity Fact Label (EFL) for all power plans.

Here’s our guide that can help you accurately compare energy plans using an EFL. If you intend to switch away from Green Mountain Energy, consider their sister light companies in Texas, Reliant Energy and Cirro Energy.

Transferring Green Mountain 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 here.

Report a Green Mountain Energy Power Outage

If you have a Green Mountain power outage, you need to report this to your transmission and delivery service provider (TDSP). This is not the same company as your retail electricity provider (REP).

Green Mountain Energy is a REP and not a TDSP, so you will have to reach out your local area TDU to report a power outage:

About Green Mountain Energy

Green Mountain Energy got its start in Vermont in 1997. Of all electric companies in Texas offering renewable energy rates, Green Mountain was the first to solely focus on green energy for homes. Protecting the environment is their primary mission and for more than 20 years they have offered affordable Texas electricity rates associated with energy generated from the sun, wind, and other sustainable sources. Green Mountain is a subsidiary of NRG Energy.

In 2013, the Austin, Texas, company headquarters became LEED Platinum Commercial Interior certified, making it the first building with this achievement in the city. In 2014, Green Mountain Energy installed its 75th solar facility at the Texas Theater in Dallas.

Because you have the power to choose from among light companies in Texas and the energy source of your electricity plan, you can enroll in plans that safeguard the planet. Read on to see how Green Mountain Energy plans can help you live green and save money.

Green Mountain Energy Business Information

Green Mountain’s headquarters in Texas are located in:

910 Louisiana St 22nd floor, Houston, TX 77002

You can reach their corporate headquarters at 866-785-4668.

If you want to sign up for a plan you can either enroll online or call 844-724-3211.

Green Mountain Energy Texas Cities Serviced

Green Mountain Energy has plans available across Texas. Find your city in our table below. If your city isn’t listed, enter your zip code in one of the boxes on this page and compare the lowest Green Mountain energy rates in your area.

Abilene Addison Alamo
Alice Allen Andrews
Angleton Arlington Atascocita
Athens Azle Balch Springs
Bay City Baytown Bedford
Beeville Bellaire Belton
Benbrook Big Spring Brownwood
Bryan Burkburnett Burleson
Carrollton Cedar Hill Cedar Park
Channelview Cleburne Coppell
Copperas Cove Corpus Christi Corsicana
Dallas Deer Park Del Rio
Denison DeSoto Dickinson
Donna Dumas Duncanville
Eagle Pass Edinburg El Campo
Ennis Euless Farmers Branch
Forest Hill Forney Fort Worth
Frisco Gainesville Galveston
Gatesville Granbury Grand Prairie
Grapevine Haltom City Harker Heights
Harlingen Hidalgo Houston
Humble Hurst Irving
Katy Keller Killeen
Kingsville La Marque La Porte
Lake Jackson Lancaster Laredo
League City Lewisville Longview
Lufkin Manor Mansfield
McAllen McKinney Mercedes
Mesquite Midland Midlothian
Mineral Wells Mission New Braunfels
Nacogdoches North Richland Hills Odessa
Palestine Palmview Paris
Pasadena Pearland Pecos
Pharr Plano Port Lavaca
Portland Red Oak Richardson
Richmond Rio Grande City Rockwall
Roma Rosenberg Round Rock
Rowlett Royse City Saginaw
San Angelo San Benito San Juan
Seabrook Seagoville Seguin
Sherman Snyder South Houston
Spring Stafford Stephenville
Sugar Land Sulphur Springs Taylor
Temple Terrell Texas City
The Colony Tomball Tyler
Uvalde Victoria Waco
Waxahachie Webster Weslaco

Green Mountain Energy Texas Cities Serviced

Enter your zip for Green Mountain rates in your area

Green Mountain Energy Frequently Asked Questions

How can I pay my Green Mountain Energy bill?

Pay your Green Mountain Energy bill payment in any one of the following ways:

  • Online Green Mountain bill pay using the options on MyAccount Green Mountain Energy login page
  • One-time bill payment with Green Mountain guest pay without account login
  • Automatic Green Mountain bill pay using Green Mountain AutoPay feature in your account
  • Green Mountain Energy 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 Green Mountain 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

Learn in-depth information about Green Mountain Energy, and view their electricity plans and rates at

Who owns Green Mountain Energy?

NRG Energy has been the parent organization which owns Green Mountain Energy since 2010. Retail electric companies in Texas including Reliant Energy, Stream Energy, Cirro Energy, and Discount Power are the sister companies of Green Mountain. Check out rates from Green Mountain and its sister companies at

How do I contact Green Mountain Energy?

You can contact a Green Mountain customer care representative on a live chat. The light company also makes an online contact form available for customers to send in their feedback. You’ll find complete information about Green Mountain, including rates, reviews from objective sources, and details about their plans on

Speak with an operator by dialing Green Mountain Energy customer service number 844-724-3211, any day from 7 am to 10 pm.

The electric company recommends calling during the following low-call traffic times to connect quickly:

  • Wednesday from 11:30 am to 6 pm
  • Thursday and Friday from 11:30 am to 8 pm

Does Green Mountain Energy have an app?

Green Mountain Energy app is available for Android and iOS mobile devices. You can request to transfer your account, pay bills, check the balance, manage your plan and account services, and more.

You can select options to monitor your electric usage and earn badges for increasing your green impact by choosing a renewable electricity plan.

Is Green Mountain Energy good?

Green Mountain Energy is a good choice if you are looking for clean electricity from 100% renewable energy generation sources like wind and solar. Eco-conscious Texans can enjoy nature powered electricity without the need to have solar panels. Check customer Green Mountain Energy reviews, ratings, plan details, special rates and promo codes at

Green Mountain Energy garners excellent ratings and has a loyal customer base. Learn more about how the electric company fares by checking the Texas electricity company reviews page.

Does Green Mountain Energy require a deposit?

Green Mountain Energy does not offer pay-as-you-go electricity plans with no deposit and no credit check. When you apply for service, Green Mountain Energy depends on your creditworthiness assessment 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. Green Mountain’s sister company, Reliant Energy, offers no deposit prepaid electricity plans. Learn about no deposit electricity at

How do I opt out of Green Mountain Energy?

You can cancel your plan by calling the Green Mountain Energy phone number 866-785-4668.

If you have a fixed-term contract, you should notify the company 30 days in advance. Additionally, if you are terminating service before the contract ends and not canceling due to a move-out from your current residence, you will have to pay a fee in the range of roughly $100-295 as a Green Mountain Energy cancellation fee. For information on cancellation fees (called Early Termination Fees, or ETFs), review the Electricity Facts Label for Green Mountain plans at

Is Green Mountain Energy expensive?

Green Mountain Energy offers affordable electricity plans, but is generally not the cheapest electric company with the lowest electricity rates.

If you are a first-time customer that enrolled online, you may receive gift certificates and a free “smart lighting” kit to reduce your carbon footprint, and more freebies.

Where to find a Green Mt. Energy promo code for rate discount?

Visit the Green Mountain Energy profile page on to see if we are featuring promo codes this month that provide instant rate reductions on Green Mountain plans. You’ll find also find exclusive promo codes which deliver special discount rates from the best electric companies in Texas on Home Energy Club.

Where to compare Green Mountain plans, rates, and reviews?

Compare energy plans that have been vetted to cut bill surprises, and learn about Green Mountain Energy special discount rates, customer satisfaction ratings, verified reviews and other in-depth information at

The Home Energy Club comparison site uses its bargaining power with electricity companies in Texas to provide you access to discount rates that are often lower than the ones you’ll find on the energy providers’ own sites for the same brands and term lengths. You can learn in-depth information about Green Mountain Energy Reviews and review objective information on over 40 other electric companies from sources such as the State of Texas, Google and Yelp.




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You should always read a plan’s EFL details to decide if it’s a fit for you, but our system does the tedious math to help you compare estimated costs. Of course, your future bill amounts will depend on your future usage.

You will find a widget on Home Energy Club which fetches your home’s energy usage data from Smart Meter Texas (SMT) and runs calculations of the rate structures of energy plans to help you conveniently estimate the cost of energy plans you are considering, based on your prior 12 months of energy usage as reported by SMT.

In one of the text panels of the widget, you will see an authorization button. By checking the permission box above the fields in which you enter your name and email address, and clicking on the authorization button, you are authorizing Smart Meter Texas to provide us with your location’s energy usage information so that our system can run cost calculations. It’s important to note that errors can occur when developing and running calculations, and the Company does not guarantee that its cost numbers are correct. You should always read the Electricity Facts Label (EFL) for each energy plan you are considering before enrolling, and make an independent decision on whether the plan is an appropriate fit for your home based on your own calculations and all the information disclosed by energy providers in the EFL.

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