Explore the latest Reliant Energy coupons, promo codes, and online sales available for September 2025, and start saving on your favorite products today.
| Discount | Details | Validity |
|---|---|---|
| SalesOff | Join Rapid Rewards And Enjoy Exclusive Benefits | 20-9-25 |
| 25%Off | 25% Off Sitewide At Reliant Energy | 17-9-25 |
| 10%Off | Enjoy Sale: 10% Off Select Merchandise | 18-9-25 |
| 10%Off | Shop Sitewide And Save 10% On Every Purchase | 18-9-25 |
| $50Off | Get $50 Off Store-Wide. Only New Customers Reliant.com With Coupon Code | 19-9-25 |
| SalesOff | Earn 50 Bill Credit When You Switch | 20-9-25 |
| SalesOff | Sign Up For Easy Rewards Today | 20-9-25 |
| 60%Off | Final Hours: Save Up To 60% On Reliant Energy Reliant | 16-9-25 |
| 60%Off | Reliant Energy Reliant - Up To 60% Off | 16-9-25 |
| 60%Off | Save Up To 60% On Reliant Energy Reliant At Reliant Energy | 16-9-25 |
| 60%Off | Up To 60% Off Reliant Energy Reliant | 19-9-25 |
| 50%Off | Up To 50% Off Reliant Ecoshare | 22-9-25 |
| 50%Off | Unlock Up To 50% On Reliant Ecoshare At Reliant Energy | 24-9-25 |
| 50%Off | Receive A 50% On Reliant Ecoshare At Reliant Energy | 21-9-25 |
| 50%Off | Score Up To 50% On Reliant Ecoshare At Reliant Energy | 19-9-25 |
| 50%Off | Now 50% Reliant Ecoshare | 21-9-25 |
| 50%Off | Don't Miss 50% Off Reliant Ecoshare | 16-9-25 |
| 50%Off | Reliant Ecoshare Up To 50% Off | 16-9-25 |
| 50%Off | Last Chance | Save 50% On Reliant Ecoshare | 18-9-25 |
| 50%Off | Reliant Ecoshare - Up To 50% Off | 27-9-25 |
| 50%Off | Take Advantage: Up To 50% Discount At Reliant Ecoshare | 20-9-25 |
| 50%Off | Final Hours: Save Up To 50% On Reliant Ecoshare | 24-9-25 |
| 50%Off | Everyone Can Save 50% On Reliant Ecoshare | 18-9-25 |
| $100Off | Greater Houston Area As Low As $100 At Reliant Energy | 17-9-25 |
| $6Off | Reliant Energy Offers Reliant Energy Reliant From $6.99 | 20-9-25 |
| $6Off | Discover Reliant Energy Reliant From $6.99 | 25-9-25 |
| $6Off | Reliant Energy Reliant Starting At $6.99 At Reliant Energy | 19-9-25 |
| $99Off | From Only $99.00 – Shop Reliant And Vivint Partnership Today | 21-9-25 |
| $6Off | Get Home Surge Protection From Reliant Energy At $6.99 | 21-9-25 |
| $1Off | Shop Customer Referral Program For As Little As $1 | 23-9-25 |
| $6Off | Home Surge Protection Now $6.99 At Reliant Energy | 21-9-25 |
| 50%Off | 50% Off Your Order | 20-9-25 |
| 10%Off | Get 10% Off If Any Of These Member-Uploaded Reliant Energy Promo Codes Apply To Your Order | 18-9-25 |
| $200Off | Up To $200 Off First Bill + Free G Nest Hub | 20-9-25 |
| $200Off | Up To $200 Off For New Customers | 20-9-25 |
| $100Off | $100 Off Your First Bill | 20-9-25 |
| $75Off | $75 Off Your First Month's Bill | 20-9-25 |
| $75Off | $75 Off For New Customers | 20-9-25 |
| $75Off | $75 Off Your First Month's Bill | 20-9-25 |
| $50Off | Save $50 On Reliant Energy Any Order | 18-9-25 |
| $50Off | $50 Bill Credit On Your Order | 20-9-25 |
| $125Off | $125 Bonus When You Get A New Plan | 20-9-25 |
| $100Off | $100 Off Orders When You Sign Up For A Term Plan | 20-9-25 |
| $100Off | $100 Off 1St Month When You Sign Up | 20-9-25 |
| $250Off | $250 Credit When Get A New Plan | 20-9-25 |
| SalesOff | Exclusive Discount For New Customers | 20-9-25 |
| 35%Off | Shop For Sale Items And Enjoy 35% Off | 18-9-25 |
| 15%Off | Install A Smart Thermostat And Save Up To 15% On Your Energy Usage. 4 | 19-9-25 |
| 10%Off | Register Now And Enjoy 10% Off The First Order | 18-9-25 |
| $100Off | Extra $100 Off On Your Total Order | 17-9-25 |
