Round Rock Electricity Rates & Plans on Austin's Deregulated Edge
Compare plans in Round Rock by estimated monthly cost at your usage, with Oncor delivery charges included.
Estimated costs are informational. Provider rates and plan terms may change. Confirm current details directly with the provider.
Live eligible-plan inventory — Oncor territory; the same active, validation-clean, fresh plan set the compare tool ranks, with TDSP delivery charges included. Rate and bill figures cover standard-priced plans only (free-period and time-of-use plans are counted in inventory but excluded from rate figures). Source: daily EFL capture of the state plan feed; refreshed with this page about every 6 hours. Confirm current rates with the provider before enrolling.
Top Electricity Plans in Round Rock (Ranked by Real Monthly Cost)
Plans below are ranked by estimated total bill including Oncor delivery charges. Enter your actual monthly kWh for personalized results and confirm final details with the provider.
| # | Plan | Provider | Rate (1,000 kWh) | Est. bill (1,000 kWh) | Term | Fine print |
|---|---|---|---|---|---|---|
| 1 | SimpleSaver 12 | AP GAS & ELECTRIC (TX) LLC | 6.2¢/kWh | $62/mo | 12 mo | Credit cliff at 1,000 kWh, $150 cancel fee |
| 2 | Sure Saver 12 | SPARK ENERGY LLC | 6.4¢/kWh | $64/mo | 12 mo | Credit cliff at 1,000 kWh, $100 cancel fee |
| 3 | The Lone Saver Plus 12 | Energy Texas | 6.8¢/kWh | $68/mo | 12 mo | Credit cliff at 1,000 kWh, $20 cancel fee |
| 4 | Rhythm Max Saver 24 | RHYTHM | 7.3¢/kWh | $73/mo | 24 mo | Credit cliff at 1,000 kWh, $20 cancel fee |
| 5 | Variable Advantage | SOUTHERN FEDERAL POWER LLC | 8.9¢/kWh | $89/mo | 1 mo | Variable rate |
Estimated bills include Oncor delivery charges. Confirm final pricing on the provider's Electricity Facts Label before enrolling. Use the interactive comparison below to rank all 165 plans at your own usage, or the full comparison tool.
Round Rock is where the Austin metro regains retail choice: the city sits on Oncor's deregulated grid immediately north of Austin Energy's territory, so households here compare competing retail plans that most of their neighbors inside Austin cannot. That boundary makes address awareness a real part of moving within the metro. The housing itself spans newer efficient subdivisions and older stock with very different cooling loads, which is why plans are best compared by estimated monthly cost at your expected usage instead of benchmark-only advertised rates.
Round Rock usage can vary from roughly 750-1,000 kWh for smaller efficient homes to 1,600+ kWh for larger homes during summer cooling months.
Round Rock Electricity Rates — August 2026
Weekly standard-priced market index — Oncor territory, snapshot from the week of August 31, 2026. Unlike the live inventory above, rate figures here exclude free-period and time-of-use plans.
In the week of August 31, 2026, 164 standard-priced plans from 41 providers were on the market in Oncor territory. At 1,000 kWh, the cheapest works out to 6.6¢/kWh all-in (about $66 for the month), and the territory average is 13.2¢/kWh — down 0.8¢ vs the week of August 3, 2026. All figures include Oncor delivery charges.
| Monthly usage | Cheapest rate | Average rate | Cheapest est. bill | Average est. bill |
|---|---|---|---|---|
| 500 kWh | 9.5¢/kWh | 14.0¢/kWh | $47/mo | $70/mo |
| 1,000 kWh | 6.6¢/kWh | 13.2¢/kWh | $66/mo | $132/mo |
| 2,000 kWh | 8.5¢/kWh | 13.1¢/kWh | $170/mo | $262/mo |
Standard-priced plans in the Oncor service territory tracked in the TrueBill database, weekly snapshot from August 31, 2026. Rate = estimated all-in monthly bill (energy + Oncor delivery charges) divided by usage — the same average-price definition the Electricity Facts Label uses. Time-of-use and free-period plans are excluded from rate figures. Oncor delivery charges are identical across the territory, so these rates apply to Round Rock addresses served by Oncor. Plan pricing changes often — confirm current terms with the provider.
See how Texas electricity rates have trended · Monthly Texas market reports
Provider Rates on the Oncor Grid This Week
Lowest and average all-in rates per provider at 1,000 kWh, from the snapshot for the week of August 31, 2026.
| Provider | Plans | Lowest rate | Avg rate |
|---|---|---|---|
| AP GAS & ELECTRIC (TX) LLC | 7 | 6.59¢ | 11.18¢ |
| SPARK ENERGY LLC | 5 | 6.92¢ | 10.62¢ |
| SOUTHERN FEDERAL POWER LLC | 5 | 8.90¢ | 14.37¢ |
| Octopus Energy | 6 | 9.06¢ | 10.89¢ |
| TARA ENERGY | 5 | 10.23¢ | 13.09¢ |
| AMIGO ENERGY | 5 | 10.23¢ | 16.25¢ |
| JUST ENERGY | 4 | 10.23¢ | 13.83¢ |
| Companion Energy | 2 | 10.60¢ | 11.10¢ |
| Rhythm Energy | 4 | 10.64¢ | 11.74¢ |
| Energy Texas | 4 | 10.64¢ | 12.09¢ |
Rates are EFL average prices at 1,000 kWh including Oncor delivery charges. This is territory-level data — identical for every city on the Oncor grid, because providers price by TDSP territory, not by city. Full history on the Texas rate history page.
Typical Homes in Round Rock
Round Rock is predominantly single-family housing in planned subdivisions, with a mix of 1980s–2000s tract homes near I-35 and newer developments in the northeast. Most homes are 1,800–2,600 sq ft with central HVAC, two-car garages, and electric water heaters, creating fairly predictable summer cooling profiles.
Local planning angle for Round Rock
Round Rock includes both newer efficient subdivisions and older housing stock, so usage spread is wide and can materially change which plan structure is the better fit.
Why Round Rock Residents Compare Electricity Plans
Round Rock residents compare electricity plans because the city's housing stock spans less-efficient older homes and newer efficient builds, creating wide usage variation across neighborhoods. A plan optimized for a 1,400 kWh summer profile may not be the right fit for a 1990s-era home pulling 1,800 kWh on August afternoons.
Who Delivers Electricity in Round Rock
Oncor (your delivery utility)
Oncor owns and maintains the poles, wires, transformers, and meters in Round Rock. They handle outages and infrastructure, but they do not sell electricity plans. You choose a retail provider separately, and Oncor delivers the power regardless of which provider you pick.
Oncor's delivery charges are the same for every customer in Williamson County, regardless of retail provider. TrueBill includes these charges in every estimate.
Review Oncor TDSP delivery charges and service-area details →Typical Electricity Usage in Round Rock
Round Rock homes often use significantly more electricity during summer cooling months than during the rest of the year.
That seasonal swing changes plan economics: bill credits, minimum usage fees, and usage-based pricing can behave very differently as monthly usage moves up and down.
TrueBill ranks plans using your actual usage profile whenever possible instead of relying only on the standard 1,000 kWh benchmark.
Estimated profile derived from Round Rock seasonal ranges and Oncor service-area usage patterns.
Seasonal Usage & Weather in Round Rock
Monthly Usage Patterns
Round Rock usage typically runs 800–1,100 kWh in spring and fall, climbing to 1,200–1,700 kWh during peak summer months. The city's young family demographic means daytime occupancy can increase summer usage compared to households where adults are away from home during peak afternoon hours.
How Round Rock's Weather Affects Your Bill
Round Rock sits at the edge of the Blackland Prairie where afternoon summer temperatures regularly reach 98–103°F. Nighttime cooling is limited compared to Hill Country cities, with outdoor lows staying above 78°F on many July nights, keeping air conditioners running through the night.
What to Check Before Picking a Plan in Round Rock
A plan that appears competitive at one benchmark may not remain competitive across your real monthly usage range.
Credit-trigger plans may fit stable usage patterns and may not fit homes whose monthly usage moves around threshold points.
Fixed monthly charges can materially affect low-to-mid usage households when comparing all-in estimated cost.
Term length, cancellation terms, and other plan details may change and should be confirmed with the provider.
TrueBill factors these plan structures into every estimate. Plan terms can change, so confirm details with the provider before enrolling.
Frequently Asked Questions About Electricity in Round Rock
How does living in Round Rock affect my Oncor electricity delivery charges?
What is the typical monthly electricity bill for a Round Rock home?
Why do Round Rock electricity plans advertised at 1,000 kWh not match my summer bill?
Can I switch electricity providers in Round Rock?
How do Oncor delivery charges affect my total Round Rock electricity bill?
What is the difference between the Oncor delivery charge and the energy charge on my Round Rock electricity bill?
Round Rock ZIP Codes
Nearby Cities
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Estimated costs are informational. Provider rates and plan terms may change. Confirm current details directly with the provider.