Green Mountain Energy offers renewable plans to fit your lifestyle. (September 2026)

Green Mountain Energy built its reputation on helping Texans power their homes with renewable electricity. As one of the state’s original green-focused providers, it offers only 100% renewable plans backed by verified renewable energy credits. That makes it a trusted option for customers who want a simple, credible way to support clean energy without installing solar panels or new equipment.

Its prices, however, tend to run higher than average. Green Mountain trades low-cost rates for sustainability and brand purpose. For many customers, the value is in knowing their plan supports renewable generation. For others, particularly those who shop mainly for price, that mission can feel like an unnecessary premium. Whether Green Mountain Energy is the right fit depends on how much you value environmental impact relative to a lower per-kWh price.

REP Logo	Plan Names	1000 kWh	Credit (1000 kWh)	Renewable	EFL Link	Sign up now
	Pollution Free Conserve 12 Preferred	18.2¢	$0.00	100%	EFL	Get this plan
	Pollution Free e-Plus 12 Preferred	18.5¢	$0.00	100%	EFL	Get this plan

Please note: All rates above are accurate as of 09/16/2026, 2:34:00 PM CST for the Centerpoint TDSP. Rates may have changed since this date/time. For the most up-to-date rates in your area, please enter your ZIP code above.
*Average pricing shown in cents per kWh.

REP Logo	Plan Names	1000 kWh	Credit (1000 kWh)	Renewable	EFL Link	Sign up now
	Pollution Free Conserve 12 Preferred	17.8¢	$0.00	100%	EFL	Get this plan
	Pollution Free e-Plus 12 Preferred	18.1¢	$0.00	100%	EFL	Get this plan

Please note: All rates above are accurate as of 09/16/2026, 2:34:00 PM CST for the Oncor TDSP. Rates may have changed since this date/time. For the most up-to-date rates in your area, please enter your ZIP code above.
*Average pricing shown in cents per kWh.

Green Mountain Energy stands out for Texans who want their electricity to reflect their values—not just their budget. Every plan the company offers is backed by verified wind and solar power, giving customers a simple, credible way to support renewable energy without installing panels or managing complex systems.

If you prefer predictable, fixed-rate pricing and care about where your energy comes from, Green Mountain is one of the most trusted options on the market. It’s especially well-suited for:

• Eco-minded households seeking 100% renewable electricity that’s easy to verify
• Renters and homeowners who can’t install solar but still want a green energy plan
• Customers who prioritize transparency and long-term stability over short-term promotions

That said, Green Mountain isn’t built for bargain hunters. Providers like Gexa, 4Change, or Frontier Utilities typically post lower base rates and bill-credit incentives that Green Mountain rarely matches.

Bottom line: If you value purpose, predictability, and environmental impact, Green Mountain is a standout choice. But if your priority is chasing the lowest possible price per kilowatt-hour, you’ll likely find cheaper—but less sustainable—alternatives.

Green Mountain Energy Corporate Headquarter, Austin, Texas

Green Mountain Energy is one of Texas’s longest-running renewable-focused electricity providers and one of the first retail electric providers (REPs) to offer 100% clean energy plans statewide. Founded in 1997 and operating in Texas since deregulation began, the company has built its reputation on offering customers an easy, credible way to support renewable generation. 

Green Mountain is now part of NRG Energy, one of the largest power companies in the United States, which also owns major brands like Reliant and Cirro Energy. Despite its size, Green Mountain maintains a distinct identity built around sustainability and transparent energy sourcing.

The company’s plan lineup centers entirely on renewable energy credits, or RECs, which match 100% of your household electricity use with power generated from wind or solar sources. Customers can choose between fixed-rate and month-to-month plans, as well as programs that include solar buyback options or carbon offset add-ons.

While many smaller providers compete mainly on cost, Green Mountain’s focus is on mission-driven energy. Its rates tend to run above the statewide average, but for customers who want to know their energy dollars support renewable projects, the brand’s credibility and long track record often make that premium feel worthwhile.

Fast Facts:

• Founded: 1997
• Headquarters: Houston, TX
• Parent Company: NRG Energy
• Plan Types: Fixed-rate, month-to-month, renewable, solar buyback
• Coverage: All deregulated areas of Texas

Green Mountain’s advantage is its purpose. It serves Texans who care where their energy comes from and want their bill to support renewable power. Prices are higher than some competitors, but the value lies in reliability and mission. 

For customers who prioritize clean energy over the lowest rate, Green Mountain Energy offers a simple, credible way to make an impact.

Green Mountain Energy isn’t for everyone, but for the right customer, it offers something unique in the Texas electricity market: a clear way to match your power consumption with renewable generation. 

While most REPs focus on pricing, Green Mountain focuses on specific goals. Its plans are built for people who want their energy use to make a measurable difference and who prefer the simplicity of verified renewable sourcing through renewable energy credits.

What sets Green Mountain apart isn’t just its 100% renewable sourcing—it’s the way the company backs that mission with credible programs, stable service, and clear communication. Unlike budget REPs that trade reliability for discounts, Green Mountain keeps its focus on quality and accountability. Here’s what it consistently gets right.

Every Green Mountain Energy plan is sourced entirely from renewable generation, primarily wind and solar. The company matches your household usage with RECs that support clean energy projects across Texas and other U.S. regions. You don’t need rooftop panels or special equipment: just your plan enrollment.

As part of NRG Energy, one of the largest power companies in the country, Green Mountain offers stability and customer service that smaller REPs can’t always match. The company has more than two decades of experience managing renewable programs and continues to lead in sustainable energy offerings.

From detailed plan breakdowns to accessible Electricity Facts Labels, Green Mountain makes it easier than most providers to understand what you’re signing up for. Its mobile tools allow users to monitor usage, track billing, and confirm their renewable impact through personalized dashboards.

Green Mountain’s lineup includes straightforward fixed-rate plans for predictable billing and time-of-use or buyback options for households with solar panels or electric vehicles. That flexibility helps customers align their energy plan with how they live, rather than forcing a one-size-fits-all approach.

Green Mountain’s reputation for steady service and clear communication has helped it retain customers longer than many low-cost competitors. While rates are higher, the billing, support, and account tools tend to be more reliable and user-friendly than the average small REP.

Green Mountain’s benefits matter most to customers who value sustainability over savings. If your top priority is securing the lowest rate on the market, you may find better options with budget providers that offer promotional pricing or usage-based bill credits. 

The company’s higher rates can also make less sense for low-usage households that won’t fully benefit from renewable features or specialty plans. Green Mountain Energy works best for customers who want peace of mind knowing their power plan supports renewable energy, and who see that mission as worth the modest premium.

Green Mountain Energy offers a range of electricity plans built entirely around renewable power. Each plan is backed by RECs that match 100% of your home’s electricity use with certified wind or solar generation. The company’s focus on sustainability gives customers a simple way to support clean energy, but each plan works differently depending on your household’s habits. 

Here’s what to know before you enroll.

Green Mountain’s fixed-rate plans lock in a price per kilowatt-hour (kWh) for the full contract term, usually 12 or 24 months. The rate stays constant, though your total bill can still change with usage and delivery fees from your local utility.

Examples:

• Pollution Free e-Plus 12
• Reliable Rate 24

Best for: Customers who want predictable pricing and stable renewable coverage without adjusting when they use electricity.

Some Green Mountain plans use time-based pricing, where your rate depends on when you consume energy. 

The most visible of these is Solar All Nighter 12, which provides free electricity at night — ideal for EV owners or night-shift households. 

Others, like Renewable Rewards Buyback, credit customers for excess solar energy returned to the grid. These plans can lower your bill if your usage aligns with off-peak hours, but you could end up paying more if most of your energy use happens during the day.

Best for: EV owners, solar households, or customers who can shift usage to off-peak hours.

Green Mountain offers ongoing rewards and optional add-ons that encourage long-term engagement rather than one-time savings.

• Refer-a-Friend Credits: Earn bill credits when you refer new customers who sign up and stay active.
• Paperless Billing & AutoPay Discounts: Available on select plans for customers who enroll in automated billing.
• Green Mountain App Tools: Track your energy use and see your renewable impact in real time.

Heads up: Unlike some providers that advertise one-time bill credits or seasonal rebates, Green Mountain’s perks are structured for ongoing value over time.

Unlike most Texas providers, Green Mountain markets only 100% renewable plans. Every kilowatt-hour you use is offset by an equivalent amount of renewable generation through RECs. You can view one of their flagship options — the Go Local Solar Plan — which delivers 100% Texas solar energy. 

This doesn’t mean the electricity entering your home comes directly from a wind or solar farm, but it does ensure that your energy use supports the production of clean power on the grid. 

Here’s what to know:

• Pollution Free e-Plus 12 delivers a fixed rate backed by 100% wind energy, ideal for customers who want predictable billing with zero emissions.
• Go Local Solar Plan sources electricity from Texas solar projects, allowing customers to directly support local renewable generation.

Good for: Environmentally conscious customers who want verified renewable energy without installing solar panels.

Heads up: If you want the lowest possible rate and don’t prioritize renewable sourcing, you may find cheaper plans from conventional REPs.

Green Mountain serves both short-term and long-term customers, but plan structure matters based on your living situation.

• Renters will find flexible month-to-month or variable-rate options that don’t require long contracts. These plans can be convenient but come with higher risk during price spikes.
• Homeowners benefit most from fixed-rate plans that offer rate stability and predictable renewable coverage for 12 or 24 months, such as Pollution Free Reliable Rate 24, which locks in a long-term price while sourcing 100% clean energy.

Bottom line: Green Mountain’s value grows with time. Customers who plan to stay put for at least a year tend to get the most benefit from its longer-term plans.

Green Mountain performs a soft credit check at sign-up, and deposits may be required depending on your credit profile. Like other REPs, the company follows PUCT rules that cap deposits at the cost of two average monthly bills. Deposits can be waived for seniors, customers with positive payment history, or those under medical hardship.

• Deposit range: Green Mountain follows Public Utility Commission of Texas (PUCT) guidelines when deposits are required, typically capped at the cost of two average monthly bills based on estimated usage.
• Deposit waivers may be available for:
  • Seniors (age 65+)
  • Customers with a recent 12-month history of on-time payments from another utility
  • Customers with a documented medical hardship

Key detail: These waivers aren’t automatic, and Green Mountain doesn’t provide a deposit calculator or pre-screening tool online, so most applicants won’t know if a deposit is required until completing the sign-up process.

Green Mountain Energy offers several renewable plans designed to fit different lifestyles, usage patterns, and contract preferences. While every plan provides 100% renewable electricity, the details, like rate type, term length, and time-of-use benefits, vary by option. The table below highlights the most common Green Mountain residential plans and who they work best for.

Featured Green Mountain Plans and Who They Fit

Pro Tip: All Green Mountain Energy plans include renewable energy credits that offset 100% of your electricity use, but your actual savings depend on when and how you consume power. 

Time-of-use plans like Solar All Nighter 12 can lower bills if you use most of your electricity overnight, while fixed-rate options like Reliable Rate 24 offer long-term stability for households with steady daytime usage.

Green Mountain Energy’s rates tend to sit slightly above Texas market averages, reflecting its 100% renewable sourcing and established brand. Budget REPs focus on low-cost electricity from standard generation, while Green Mountain sells verified renewable power backed by RECs. The table below compares current Green Mountain plans with similar offers from other providers in Oncor service areas as of mid-2025.

*Rate estimates reflect usage of ~1,000 kWh/month in Oncor territory.

Key Takeaway: For those seeking rock-bottom pricing, budget REPs will likely win on cost, but Green Mountain offers something different: a clear link between your electricity plan and real renewable progress.

Choosing a Green Mountain Energy plan isn’t just about finding the lowest rate. Because every plan is 100% renewable, the real difference lies in how the plan structure matches your daily energy habits. 

Some options reward predictable, all-day use, while others favor off-peak or solar-supported households. The right plan depends on when you use electricity, how long you plan to stay in your home, and whether you want to earn credit for producing your own power.

Pro Tip: Green Mountain’s renewable plans work best when you choose one that reflects your actual energy patterns. If your schedule allows you to take advantage of nighttime pricing or solar credits, you could see measurable savings. If you prefer a “set it and forget it” approach, stick with a fixed-rate option for stability.

Green Mountain Energy serves customers across nearly all deregulated regions of Texas, giving most residents the ability to choose its 100% renewable plans. Wherever you have the power to select your own electricity provider, Green Mountain is likely available as one of the major options. The company works with all major TDUs, including Oncor, CenterPoint, AEP Texas, and Texas-New Mexico Power.

Here are some of the primary regions where Green Mountain Energy offers service:

• Dallas–Fort Worth Metroplex
• Houston and surrounding suburbs
• Corpus Christi and coastal areas
• Central Texas communities such as Waco, Temple, and Killeen
• East Texas cities including Tyler, Longview, and Lufkin
• South Texas and the Rio Grande Valley

Reminder: Green Mountain Energy is not available in areas served by regulated utilities such as Austin Energy or CPS Energy in San Antonio, where the local utility controls both delivery and supply.

To confirm availability and see which Green Mountain plans are offered in your area, enter your ZIP code in the Shop Texas Electricity comparison tool. It provides side-by-side pricing and plan details for Green Mountain and other top Texas electricity providers.

Green Mountain Energy has built a strong reputation among Texans who prioritize sustainability and transparency. Many customers appreciate the company’s clear renewable mission, simple account management tools, and reliable billing. 

However, reviews also point out that rates can feel high compared to competitors, especially for customers who prioritize cost savings over environmental impact. Like most large REPs, Green Mountain earns a mix of praise for its purpose and criticism for its pricing.

• Sustainability and Purpose: Many customers choose Green Mountain because of its commitment to 100% renewable energy. They value being able to support clean power without having to install solar panels or manage complex equipment.
  
  “I love that I can support renewable energy just by paying my electric bill. It’s easy, and I feel like I’m doing something good for the planet.”
  – Google Review

Billing Transparency and Tools: Users often mention that Green Mountain’s mobile app and online account portal make it easy to track usage and pay bills on time.

“The website and app are straightforward. I can see my usage in real time and keep track of what I’m spending.”
– Apple App Store Review

• Higher Rates Than Competitors: Several reviewers note that Green Mountain’s rates are higher than standard plans from providers like Gexa or 4Change Energy..
  
  “I love renewable energy, but I wish the rates were more competitive.”
  – Google Review

Plan Details and Contract Terms: A few customers mention confusion over plan terms, such as contract length or early termination fees.

“My bill was a little higher than I expected because I didn’t realize my plan had different rate tiers.”
– BBB Review

Green Mountain Energy provides several tools and plan features that can help you reduce your electricity costs, but they only work if you use them intentionally. Because every plan is 100% renewable, the best way to save is by managing when and how you use energy, along with taking advantage of digital tools and program benefits.

Use the Green Mountain Mobile App

The company’s mobile app lets you track usage, view billing history, and monitor how your energy consumption changes throughout the month. Checking your data regularly helps you identify which appliances or habits drive the highest usage.

Shift Usage if You Have a Time-of-Use Plan

If you’re on a plan like Solar All Nighter 12, move high-energy tasks — such as running laundry, charging an EV, or using large appliances — to the free nighttime hours to maximize your savings.

Enroll in AutoPay and Paperless Billing

Signing up for automatic payments and paperless billing ensures on-time payments and may qualify you for small recurring credits or rewards under select plans.

Review Your Electricity Facts Label

Always read your plan’s EFL to confirm how pricing tiers, credits, or surcharges apply at different usage levels. Understanding the fine print helps you avoid surprise charges and stay within the most cost-effective range.

Explore Renewable Rewards or Solar Buyback

If you have rooftop solar panels, the Renewable Rewards Buyback plan can credit you for excess energy sent back to the grid. This can offset part of your monthly bill and enhance the value of your clean energy investment.

Bottom line: Green Mountain’s pricing model rewards active customers. By tracking your usage, shifting consumption when possible, and using available billing tools, you can get more value while supporting renewable energy in Texas.

If you need help choosing a plan, managing your account, or resolving a billing issue, Green Mountain Energy offers several ways to get in touch with customer support. The company provides phone, online, and mobile options for both residential and business customers.

Ways to Contact Green Mountain Energy:

• Customer Care Phone: 1-866-785-4668
• Hours: Monday–Friday, 7:00 AM–10:00 PM CT; Saturday, 9:00 AM–5:30 PM CT
• Website: www.greenmountainenergy.com
• Mailing Address:
  Green Mountain Energy
  P.O. Box 660305
  Dallas, TX 75266-0305
• Mobile App: Available for iOS and Android; lets you monitor your energy usage, view billing history, and make secure payments from your phone.

Customers can also log in through the Green Mountain Energy online account portal to update preferences, track renewable impact, or transfer service to a new address.

Green Mountain Energy stands out as one of the few Texas electricity providers built entirely around renewable power. Its plans are designed for customers who want to make a positive environmental impact while maintaining reliable service and transparent pricing. The company’s rates are higher than most budget REPs, but that difference funds certified renewable generation and long-term sustainability efforts across the state.

For Texans who care about where their energy comes from, Green Mountain provides a simple, trusted way to support clean power without installing solar panels or managing complex systems. For price-focused shoppers, other providers may offer simpler fixed-rate options.

If sustainability, reliability, and accountability matter to you, Green Mountain Energy remains one of the most credible choices in Texas. Compare its plans and rates against other top providers at ShopTexasElectricity.com to find the best fit for your household.

75217 | 75211 | 75228 | 75243 | 75227 | 75216 | 75287 | 75231 | 75206 | 75220 | 75248 | 75214 | 75204 | 75224 | 75234 | 75229 | 75219 | 75205 | 75209 | 75244 | 75275 | 75241 | 75238 | 75232 | 75208 | 75230 | 75252 | 75212

We also serve nearby neighborhoods and towns including Far North Dallas, Lake Highlands, Oak Lawn, Old East Dallas, Deep Ellum, Bishop Arts District, Lakewood, Preston Hollow, Highland Park and Winnetka Heights.

Looking for rates outside Oncor’s service area? Check out cities like Irving, Plano, and more.

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