Round Rock Electricity Rates
The lowest Round Rock electricity rate today is 7.9¢ per kWh at 1,000 kWh usage. Compare 199 plans from 40+ providers serving Round Rock, with rates ranging up to 20.5¢ per kWh.
Cheapest Electricity Plans in Round Rock
Sorted by price at 1,000 kWh. Plans with bill credits can cost more at other usage levels — check the EFL for the full breakdown.
| Provider | Plan | Rate | Action |
|---|---|---|---|
 |
Chariot Energy
GridPlus 12 - 7.90¢
|
7.90¢
per kWh at 1,000 kWh
|
Continue |
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Frontier Utilities
Frontier Saver Plus 12
|
8.00¢
per kWh at 1,000 kWh
|
Continue |
 |
Gexa Energy
Gexa Eco Saver Plus 12
|
8.00¢
per kWh at 1,000 kWh
|
Continue |
 |
Octopus Energy
Octopus Lite 12 - 8.20¢
|
8.20¢
per kWh at 1,000 kWh
|
Continue |
 |
REVOLUTION ENERGY LLC
Stars and Stripes Flex - 9.00¢
1 months
Fixed Rate
|
9.00¢
per kWh at 1,000 kWh
|
Continue |
 |
INFUSE ENERGY
PTC Infusion Flex - 9.00¢
1 months
Fixed Rate
|
9.00¢
per kWh at 1,000 kWh
|
Continue |
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SOUTHERN FEDERAL POWER LLC
Variable Advantage - 9.00¢
|
9.00¢
per kWh at 1,000 kWh
|
Continue |
 |
Ranchero Power
No Contract Advantage - 9.10¢
|
9.10¢
per kWh at 1,000 kWh
|
Continue |
 |
Just Energy
Sustainable Living Bundle - 3 - 9.10¢
|
9.10¢
per kWh at 1,000 kWh
|
Continue |
 |
Tara Energy
Balanced Days Bundle - 3 - 9.10¢
3 months
Fixed Rate
|
9.10¢
per kWh at 1,000 kWh
|
Continue |
 |
Amigo Energy
Sustainable Simply Days - 3 - 9.10¢
3 months
Fixed Rate
|
9.10¢
per kWh at 1,000 kWh
|
Continue |
 |
Companion Energy
Companion Pro + Perks 3 - 9.10¢
|
9.10¢
per kWh at 1,000 kWh
|
Continue |
 |
Atlantex Power
Radiance1000
|
9.33¢
per kWh at 1,000 kWh
|
Continue |
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Rhythm
Rhythm Saver 12 - 9.70¢
|
9.70¢
per kWh at 1,000 kWh
|
Continue |
 |
Energy Texas
The Lone Saver 12 - 9.70¢
|
9.70¢
per kWh at 1,000 kWh
|
Continue |
 |
CleanSky Energy
AMPlified Saver 12
|
10.04¢
per kWh at 1,000 kWh
|
Continue |
 |
CONSTELLATION NEWENERGY INC
Simple Switch 3 - 10.80¢
3 months
Fixed Rate
|
10.80¢
per kWh at 1,000 kWh
|
Continue |
 |
Abundance Energy
Straight Forward 3 - 11.00¢
|
11.00¢
per kWh at 1,000 kWh
|
Continue |
 |
AP GAS & ELECTRIC (TX) LLC
TrueClassic 3 - 11.20¢
|
11.20¢
per kWh at 1,000 kWh
|
Continue |
 |
BKV Energy
Daisy 3
|
11.50¢
per kWh at 1,000 kWh
|
Continue |
Showing the 20 cheapest Round Rock electricity plans based on 1,000 kWh usage. Last updated April 10, 2026 at 2:54 AM UTC.
Best Round Rock Electricity Plans by Usage Level
Round Rock’s housing spans established neighborhoods near Old Settlers Park and newer master-planned communities like Teravista and Paloma Lake. The average home uses 1,000–1,200 kWh/month, with Central Texas summer heat pushing that higher.
- Companion Energy
- 9.5¢/kWh at this usage
- 3-month fixed rate
- Chariot Energy
- 7.9¢/kWh at this usage
- 12-month fixed rate
- REVOLUTION ENERGY LLC
- 9¢/kWh at this usage
- 1-month fixed rate
- REVOLUTION ENERGY LLC
- 8.6¢/kWh at this usage
- 1-month fixed rate
Central Texas Summer Heat
Round Rock shares Central Texas’s hot summers — highs above 100°F are common June through September. A home using 900 kWh in spring can surge to 1,500–1,800 kWh in July. Compare plans at both 1,000 and 2,000 kWh.
Round Rock Electricity Providers
We compare rates from 40 retail providers serving Round Rock’s Oncor territory. Every provider listed offers plans to Williamson County residents today.
Round Rock Business Electricity Rates
Round Rock’s economy is anchored by Dell Technologies and a growing ecosystem of tech companies, healthcare, and retail. From the IH-35 corridor to Round Rock Premium Outlets, businesses of all sizes benefit from competitive commercial rates.
Commercial pricing factors in peak demand, load factor, and total volume. A quick quote is the only way to see what rates are available for your specific business profile.
Round Rock Electricity by ZIP Code
We track electricity rates across 4 ZIP codes in the Round Rock area served by Oncor Electric Delivery. Find your ZIP below to confirm you can shop for Round Rock electricity plans on this page.
Don’t see your ZIP? Oncor’s territory covers Round Rock and most of the Central Texas. Enter your ZIP code at the top of this page to check availability.
Round Rock Electricity FAQ
Common questions about electricity rates, plans, and providers in Round Rock, Texas.
How does electricity choice work in Round Rock?
Round Rock is part of the deregulated Texas electricity market. Oncor Electric Delivery maintains the grid and power lines, but you choose your retail electricity provider (REP). Your REP sets your rate and handles your bill. Oncor delivers the power regardless of which provider you pick.
What’s the cheapest rate available?
As of April 9, 2026 @ 9:54 PM CT, the cheapest Round Rock electricity rate is 7.9¢/kWh at 1,000 kWh usage, offered by Chariot Energy (GridPlus 12 - 7.90¢). The average across all 199 plans is 13.57¢/kWh. Rates update multiple times daily.
What does the average household pay?
At the current average of 13.57¢/kWh, an Round Rock home using 1,000 kWh/month pays about $136/month. Round Rock homes average 1,000-1,200 kWh/month. Summer bills can climb to $200-300 for larger homes when DFW temperatures exceed 100°F.
Who delivers the electricity?
Oncor Electric Delivery is the TDU for Round Rock and the greater Central Texas. They own the power lines, poles, and meters. For outages, contact Oncor at 888-313-4747 or visit oncor.com.
Should I get a fixed or variable plan?
Round Rock and Dallas share the same TDU (Oncor) and the same pool of retail electricity providers, so the available plans are very similar. However, rates can differ slightly by ZIP code due to localized utility charges. Always enter your specific Round Rock ZIP code to see the exact rates available at your address.
How do I switch to a cheaper plan?
Round Rock commercial electricity is custom-quoted based on demand profile, usage volume, and contract length. With the Dell Technologies and tech hub economy, Round Rock has a dense concentration of commercial customers. Businesses in Oncor territory typically save 15-25% by comparing providers. Request a free quote at electricchoice.com/business-electricity/.
What happens when my contract expires?
You roll onto a variable rate (15–20+ cents/kWh). Your provider must give 30–45 days notice. Reshop before expiration.
Who handles power outages?
Oncor at 888-313-4747. They own all lines in Williamson County.
Are renewable plans available?
Yes. Multiple providers offer 100% renewable plans at competitive rates.
How do Round Rock business rates work?
Custom-quoted based on demand and volume. Dell’s ecosystem drives provider competition. Request a free business quote.
Sources & Notices
These are real-time rates from the ElectricChoice.com electric rate and plan marketplace. The inclusion, exclusion, ranking, or naming of any rate, plan, or provider on this page does not constitute an endorsement or recommendation. Listed rates may or may not account for all plan features, fees, etc. You should review each plan’s Electricity Facts Label (EFL) and plan terms before enrolling. Last updated: April 9, 2026 @ 9:54 PM CT.
