Round Rock Electricity Rates & Plans: Compare Estimated Monthly Cost
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.
Active plans with valid pricing data. Refreshed every 6 hours. Confirm current rates with the provider before enrolling.
Round Rock is a fast-growing North Austin suburb in Oncor territory with a broad mix of newer and older housing stock. Because these homes can have very different cooling loads, plans should be 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 — July 2026
In the week of July 20, 2026, 151 standard-priced plans from 43 providers were on the market in Oncor territory. At 1,000 kWh, the cheapest works out to 7.1¢/kWh all-in (about $71 for the month), and the territory average is 14.3¢/kWh — down 0.1¢ vs the week of June 22, 2026. All figures include Oncor delivery charges.
| Monthly usage | Cheapest rate | Average rate | Cheapest est. bill | Average est. bill |
|---|---|---|---|---|
| 500 kWh | 11.8¢/kWh | 15.4¢/kWh | $59/mo | $77/mo |
| 1,000 kWh | 7.1¢/kWh | 14.3¢/kWh | $71/mo | $143/mo |
| 2,000 kWh | 11.2¢/kWh | 14.2¢/kWh | $224/mo | $285/mo |
Standard-priced plans in the Oncor service territory tracked in the TrueBill database, weekly snapshot from July 20, 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 July 20, 2026.
| Provider | Plans | Lowest rate | Avg rate |
|---|---|---|---|
| AP GAS & ELECTRIC (TX) LLC | 6 | 7.10¢ | 12.05¢ |
| Chariot Energy | 6 | 7.25¢ | 11.41¢ |
| Discount Power | 4 | 8.36¢ | 13.15¢ |
| JUST ENERGY | 7 | 9.72¢ | 13.05¢ |
| TARA ENERGY | 7 | 11.03¢ | 13.31¢ |
| AMIGO ENERGY | 5 | 11.43¢ | 16.70¢ |
| TRUE POWER | 3 | 11.75¢ | 12.41¢ |
| Budget Power | 5 | 11.84¢ | 12.34¢ |
| Octopus Energy | 3 | 12.00¢ | 18.33¢ |
| VARSITY ENERGY LLC | 1 | 12.03¢ | 12.03¢ |
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.
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 | 7.1¢/kWh | $71/mo | 12 mo | Credit cliff at 1,000 kWh, $150 cancel fee |
| 2 | GridPlus 12 | CHARIOT ENERGY | 7.2¢/kWh | $72/mo | 12 mo | Credit cliff at 1,000 kWh, $15 cancel fee |
| 3 | Rhythm Max Saver 12 | RHYTHM | 7.7¢/kWh | $82/mo | 12 mo | Credit cliff at 1,000 kWh, $20 cancel fee |
| 4 | The Lone Saver Plus 12 | Energy Texas | 7.7¢/kWh | $82/mo | 12 mo | Credit cliff at 1,000 kWh, $20 cancel fee |
| 5 | Bill Credit Bundle 13 | Discount Power | 8.4¢/kWh | $84/mo | 13 mo | Credit cliff at 1,000 kWh, $150 cancel fee |
Estimated bills include Oncordelivery charges. Confirm final pricing on the provider's Electricity Facts Label before enrolling. Use the interactive comparison below to rank all 150 plans at your own usage, or the full comparison tool.
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
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Estimated costs are informational. Provider rates and plan terms may change. Confirm current details directly with the provider.