Electricity rates in Round Rock, TX
Like Cedar Park and unlike the city of Austin, Round Rock is deregulated and served by Oncor — so here, you get to choose your electricity provider.
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Written and reviewed by the Base Power team · Last updated May 27, 2026
Quick answer
Round Rock is one of the Austin-area suburbs that IS deregulated: it's served by Oncor (not municipal Austin Energy), so you can choose among 50+ retail providers. Dell's hometown and a fast-growing Williamson County suburb, it has plenty of newer homes. Base charges a flat 8¢/kWh energy rate plus Oncor delivery and a flat monthly membership.
Today's rates
Round Rock rate snapshot
Your bill has two parts: the energy you buy from a retail provider, and delivery charges set by Oncor Electric Delivery and passed through without markup. Here's how that looks today.
Base energy charge
8¢ /kWh
Advertised flat rate, plus a flat $19–$29/mo membership.
Oncor delivery
5.6¢ /kWh
+ $4.23/mo, PUCT-approved (March 1, 2026). Same for every provider.
Texas average rate
16.39¢ /kWh
Below the U.S. average of 18.83¢/kWh (EIA, 2026).
Typical Texas bill
$164 /mo
At ~1,096 kWh/mo (EIA). Round Rock summers run higher.
Rates and figures last reviewed May 27, 2026. Base's energy charge is its advertised rate; exact, usage-based pricing is in the Electricity Facts Label. See your exact rate →
The real question
What should you pay in Round Rock?
There's no single "right" number — it depends on your home, your usage, and your plan. But a lot of Texans pay more than they expect, and it's usually not the headline rate's fault. Many plans advertise a low rate that only applies inside a narrow usage band, or hand back a "bill credit" only if you land on exactly the right kilowatt-hours. Miss the threshold and the effective rate jumps.
The honest way to know what you should pay is to compare the all-in cost — energy plus Oncor delivery plus any fees — at your actual usage. Base removes the guesswork: one flat 8¢/kWh energy charge and a flat monthly membership, with no teaser rates and no bill-credit games.
The wires
Who delivers your power in Round Rock?
Oncor is the largest transmission and distribution utility in Texas. It owns and maintains the poles, wires, and meter across the Dallas–Fort Worth area. Oncor doesn't sell electricity and you don't choose it — it's set by your address, and it handles outages and restoration regardless of which retail provider you pick.
Oncor Electric Delivery
Serves the Dallas–Fort Worth Metroplex and much of North and West Texas.
- Report an outage
- Oncor outage map · 888-313-4747
- Finding your ESID
- Oncor ESIDs are typically 17-digit numbers that begin with 1044372.
Local context
How electricity rates work in Round Rock
The key local fact mirrors Cedar Park: the city of Austin is served by municipal Austin Energy and isn't deregulated, but Round Rock — just north in Williamson County — is in Oncor's deregulated territory with 50-plus competing retail providers. So in Round Rock, you can shop.
Round Rock is best known as the longtime hometown of Dell and as one of the Austin metro's fast-growing suburbs, with a steady supply of newer homes well suited to solar and battery. Power is delivered by Oncor and the retail market is wide open.
Why are Round Rock bills highest in summer?
Round Rock sits in the Austin metro's Central Texas climate — long, hot summers that typically bring even more 100°F days than DFW. Air conditioning runs hard for months, so the per-kWh rate you pay weighs heavily on your bill.
Round Rock, the grid, and backup power
Round Rock is on the ERCOT grid, and Central Texas was hit hard by Winter Storm Uri in February 2021. A home battery is a separate product that backs up your own home during an outage; it doesn't change Oncor's wires service or restoration, which are the same for every retail provider.
Apples to apples
How Base compares in Round Rock
Every retail provider in Oncor territory passes through the same regulated delivery charges. The difference is how they price energy — and whether the rate you see is the rate you get.
Flat & clear | Typical fixed-rate planMost REP offers | Bill-credit / tiered plan“Teaser” pricing | |
|---|---|---|---|
| Energy charge | Flat 8¢/kWh | Fixed ¢/kWh | Low only in a usage band |
| Monthly charges | Flat $19–$29 membership | Base / min-usage fees | Bill credits at set usage |
| Same effective rate at any usage | yes | yes | no |
| No usage-threshold surprises | yes | yes | no |
| Delivery charges passed through with no markup | yes | yes | yes |
| Optional whole-home battery backup | yes | no | no |
| Bottom line | Your exact cost depends on your usage — always compare the EFL before you sign up. | ||
You can obtain important standardized information that will allow you to compare this product with other offers. Contact Base Power at 512-518-1009 or basepowercompany.com.
Three steps
How to find your best rate in Round Rock
- 1
Confirm your utility is Oncor
In Round Rock, Oncor delivers your power. That sets your delivery charges, but you still choose your retail provider.
- 2
Find your ESID
Your ESID (Electric Service Identifier) is the unique ID for your meter — it's on your current electric bill. Oncor ESIDs are typically 17-digit numbers that begin with 1044372. It tells any provider exactly which home and rate apply.
- 3
Compare the all-in cost on the EFL
Pull the Electricity Facts Label and compare offers at your real usage — or just enter your address to see your exact Base rate.
Pull the Base EFL, compare offers on Power to Choose, or enter your address to see your exact Base rate.
Round Rock electricity FAQs
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See your Round Rock rate in two minutes
Enter your address for an all-in rate — energy, delivery, and a flat membership, with no teaser pricing or bill-credit games.
Sources
- U.S. EIA — Electric Power Monthly, Table 5.6.A (Mar 2026)
- U.S. EIA — average residential electricity use & bills
- Power to Choose — the official PUCT marketplace
- Choose Texas Power — Round Rock (Oncor, deregulated)
- PowerWizard — Round Rock electricity rates
Plan documents: Electricity Facts Label (EFL) · Terms of Service & Your Rights as a Customer. Products and pricing are offered to qualified customers in Texas only.