Are you looking to sign up for electricity power from Pennywise Power? Please note that NRG has merged Pennywise Power with the Discount Power brand.
To speak with an operator directly, call 833-275-0921.
Pennywise Power Plans & Rates (now Discount Power)
7 Gexa Energy Vetted Guaranteed Plans
| Plan Name | Plan Length | Rate |
|---|---|---|
| Gexa Eco Saver Plus 12 | 12 Months | 11.1 ¢/kWh |
| Gexa Eco Saver Plus 24 | 24 Months | 11.1 ¢/kWh |
| Gexa Energy Saver 24 | 24 Months | 18.5 ¢/kWh |
| Gexa Eco Saver Lite 12 | 12 Months | 20.5 ¢/kWh |
| Gexa Eco Saver Premier 12 | 12 Months | 20.5 ¢/kWh |
| Gexa Eco Saver Premier 24 | 24 Months | 20.5 ¢/kWh |
| Gexa Eco Saver Advantage 12 | 12 Months | 21.2 ¢/kWh |
- *Rates as of 05/11/2025 at 03:58 AM. Based on 1000 kWh in Oncor zone. Enter your zip code above for rates in your area.
8 4Change Energy Plans & Rates
| Plan Name | Plan Length | Rate |
|---|---|---|
| 4Change - Maxx Saver Select 12 | 12 Months | 11 ¢/kWh |
| 4Change - Maxx Saver Select 24 | 24 Months | 11 ¢/kWh |
| 4Change - Charitable Saver 12 | 12 Months | 13.9 ¢/kWh |
| 4Change - Cash Money 12 | 12 Months | 15.9 ¢/kWh |
| 4Change - One Rate 12 | 12 Months | 16.7 ¢/kWh |
| 4Change - One Rate 24 | 24 Months | 16.7 ¢/kWh |
| 4Change - Power Maxx Saver 12 | 12 Months | 19.1 ¢/kWh |
| 4Change - Power Maxx Saver 24 | 24 Months | 19.1 ¢/kWh |
- *Rates as of 05/11/2025 at 03:15 AM. Based on 1000 kWh in Oncor zone. Enter your zip code above for rates in your area.
8 Frontier Energy Plans & Rates
| Plan Name | Plan Length | Rate |
|---|---|---|
| Frontier - Frontier Saver Plus 12 | 12 Months | 11 ¢/kWh |
| Frontier - Frontier Saver Plus 24 | 24 Months | 11.1 ¢/kWh |
| Frontier - Frontier Budget Saver 12 | 12 Months | 16.3 ¢/kWh |
| Frontier - Frontier Budget Saver 24 | 24 Months | 16.4 ¢/kWh |
| Frontier - Frontier 36 | 36 Months | 17.7 ¢/kWh |
| Frontier - Frontier Saver Premier 12 | 12 Months | 20.5 ¢/kWh |
| Frontier - Frontier Saver Premier 24 | 24 Months | 20.5 ¢/kWh |
| Frontier - Frontier Saver Value 12 | 12 Months | 20.5 ¢/kWh |
- *Rates as of 05/11/2025 at 03:58 AM. Based on 1000 kWh in Oncor zone. Enter your zip code above for rates in your area.
11 Reliant Energy Trusted Plans & Rates
| Plan Name | Plan Length | Rate |
|---|---|---|
| Reliant - Power Savings 24 | 24 Months | 14 ¢/kWh |
| Reliant - Power Savings 12 | 12 Months | 15.6 ¢/kWh |
| Reliant - Basic Power 24 | 24 Months | 17.3 ¢/kWh |
| Reliant - Conservation 24 | 24 Months | 17.6 ¢/kWh |
| Reliant - Basic Power 12 | 12 Months | 17.9 ¢/kWh |
| Reliant - Conservation 12 | 12 Months | 18 ¢/kWh |
| Reliant - Power On 24 | 24 Months | 18.1 ¢/kWh |
| Reliant - Truly Free Weekends 100% Solar 12 | 12 Months | 19.8 ¢/kWh |
| Reliant - Truly Free Nights 100% Solar 12 | 12 Months | 19.8 ¢/kWh |
| Reliant - Power Savings 2,000 kWh 24 | 24 Months | 20.8 ¢/kWh |
| Reliant - Power Savings 2,000 kWh 12 | 12 Months | 22.4 ¢/kWh |
- *Rates as of 05/11/2025 at 03:36 AM. Based on 1000 kWh in Oncor zone. Enter your zip code above for rates in your area.
Did you know that electricity rates in Texas are driven partly by the wholesale price of natural gas? Texas energy rates have significantly decreased as natural gas prices have dropped since last year.
About Pennywise Power (now Discount Power)
Visit our Discount Power login page for details on Discount Power/Pennywise electricity rates, plans and reviews, and other key information. Below you’ll find a summary of information on Pennywise.
The Pennywise brand of electricity was transitioned to Discount Power when NRG Energy acquired Discount and consolidated the brands. NRG Energy is a major electric company and has a family of trusted brands, including Discount Power, Reliant Energy, Cirro Energy, and Green Mountain Energy.
Go to our Discount Power Texas login page for full details on Discount/Pennywise. Check our promo codes page to see if there is a Pennywise Power promo code to receive a discount off Discount/Pennywise regular rates.
Check out our profiles of the most established electric companies in Texas and consider Discount’s sister companies owned by NRG.
Pennywise Power Business Information
Pennywise Power, which is now Discount Power, has its Texas headquarters in the following location:
910 Louisiana St 3rd floor, Houston, TX 77002, United States
You can reach their corporate headquarters at +1 877-455-4674
If you want to sign up for a plan you can either enroll online or call the Pennywise phone number 833-275-0921.
Reviews & Ratings
Because the electricity company Pennywise assumed the name of Discount Power, you’ll find more current information by reading recent Discount Power reviews at the electric company’s Google page.
Customer Ratings
Pennywise/Discount Power has relatively good ratings on the reviewed categories. The provider received a score of over 4.5 on one of the five reviewed categories.
Customer Reviews
Pennywise Power Bill Pay
Go to the Pennywise Power login bill pay page, which is now the Discount Energy bill pay page. To pay your bill, call the Discount Power phone number 833-275-0921 or go to the Discount Power login.
Report a Pennywise Power Outage
Pennywise power outages should be reported to the Transmission and Delivery Utility (TDU or TDSP) in your part of Texas. For phone numbers, here’s our Texas power outage phone directory.
Deregulated Cities | ||
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See all deregulated cities in Texas.
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%)
