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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.

Oncor Market Snapshot
160
Plans available
all plan types · Oncor territory
38
Providers competing
in this service area
6.2¢/kWh
Cheapest standard rate
standard-priced plans · 1,000 kWh
$131/mo
Avg standard bill
standard-priced · $1577/yr annually

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.

Top 5 of 160 active plans in Round Rock (Oncor territory), ranked by estimated monthly bill at 1,000 kWh — the same deterministic ranking used in the live comparison below. Snapshot as of October 20, 2026; plan data is refreshed from provider EFL filings multiple times daily.
#PlanProviderRate (1,000 kWh)Est. bill (1,000 kWh)TermFine print
1Simple Saver 3 EFLAP GAS & ELECTRIC (TX) LLC6.2¢/kWh$62/mo3 moCredit cliff at 1,000 kWh
2SimpleSaver 12 EFLAP GAS & ELECTRIC (TX) LLC6.9¢/kWh$69/mo12 moCredit cliff at 1,000 kWh
3GridPlus 12 EFLCHARIOT ENERGY7.1¢/kWh$71/mo12 moCredit cliff at 1,000 kWh
4Sure Saver 12 EFLSPARK ENERGY LLC7.9¢/kWh$79/mo12 moCredit cliff at 1,000 kWh
5The Lone Saver Plus 12 EFLEnergy Texas8.5¢/kWh$85/mo12 moCredit cliff at 1,000 kWh

All 5 plans above use a usage-based bill credit, so their bill rises in a month that falls below the credit threshold. Compare plans without bill credits.

Estimated bills include Oncor delivery charges. Each EFL link opens the provider's Electricity Facts Label; confirm final pricing there before enrolling. Use the interactive comparison below to rank all 160 plans at your own usage, or the full comparison tool.

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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 — October 2026

Weekly standard-priced market index — Oncor territory, snapshot from the week of October 19, 2026. Unlike the live inventory above, rate figures here exclude free-period and time-of-use plans.

In the week of October 19, 2026, 142 standard-priced plans from 34 providers were on the market in Oncor territory. At 1,000 kWh, the cheapest works out to 6.2¢/kWh all-in (about $62 for the month), and the territory average is 12.9¢/kWh — up 0.2¢ vs the week of September 21, 2026. All figures include Oncor delivery charges.

Monthly usageCheapest rateAverage rateCheapest est. billAverage est. bill
500 kWh10.7¢/kWh14.3¢/kWh$54/mo$72/mo
1,000 kWh6.2¢/kWh12.9¢/kWh$62/mo$129/mo
2,000 kWh9.3¢/kWh13.1¢/kWh$186/mo$261/mo

Standard-priced plans in the Oncor service territory tracked in the TrueBill database, weekly snapshot from October 19, 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 October 19, 2026.

ProviderPlansLowest rateAvg rate
AP GAS & ELECTRIC (TX) LLC56.20¢10.20¢
Chariot Energy57.14¢12.06¢
SPARK ENERGY LLC57.86¢11.67¢
Energy Texas58.54¢11.89¢
Rhythm Energy58.68¢11.55¢
SOUTHERN FEDERAL POWER LLC49.70¢11.68¢
SMARTENERGY HOLDINGS LLC410.20¢12.95¢
Think Energy510.20¢13.10¢
JUST ENERGY510.29¢13.25¢
AMIGO ENERGY510.29¢13.25¢

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 it serves, regardless of retail provider. Utility service territory is determined by the service address and does not always follow city or county boundaries, so confirm your TDSP for your address before comparing plans. TrueBill includes these charges in every estimate.

Review Oncor TDSP delivery charges and service-area details →

Illustrative Electricity Usage in Round Rock

Illustrative summer peak: Aug (1,575 kWh)

This example household curve illustrates seasonal cooling demand in Round Rock; it is not a measured city average.

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.

Illustrative household scenario using assumed seasonal ranges and an assumed Oncor seasonal pattern. These values are not measured Round Rock averages; use your own monthly bills for a personal comparison.

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

Benchmark-only comparisons

A plan that appears competitive at one benchmark may not remain competitive across your real monthly usage range.

Bill-credit threshold dependence

Credit-trigger plans may fit stable usage patterns and may not fit homes whose monthly usage moves around threshold points.

Base charge impacts

Fixed monthly charges can materially affect low-to-mid usage households when comparing all-in estimated cost.

Contract and ETF terms

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?
Round Rock addresses in Oncor territory pay the same regulated Oncor delivery charges as all other Oncor customers — a fixed monthly base charge plus a per-kWh delivery fee set by the Texas PUC. Those delivery charges are identical regardless of which retail provider you choose. At typical Round Rock summer usage of 1,200–1,700 kWh, Oncor delivery charges add roughly $40–$70 per month to your total bill.
What is the typical monthly electricity bill for a Round Rock home?
A typical Round Rock home (1,800–2,400 sq ft with central A/C) runs $120–$165 per month in spring and fall at around 900–1,100 kWh, climbing to $165–$230 per month in peak summer months at 1,200–1,700 kWh. All-in estimates include Oncor delivery charges. Exact cost depends on your usage, plan structure, and current market pricing.
Why do Round Rock electricity plans advertised at 1,000 kWh not match my summer bill?
Round Rock’s summer usage typically exceeds the 1,000 kWh benchmark that advertised rates are based on. A home using 1,400 kWh in July may not qualify for a bill credit that triggers at 1,000 kWh, or may cross into a higher pricing tier. Comparing plans at 1,200–1,500 kWh — a more realistic Round Rock summer range — gives a more accurate picture of your true peak-month cost.
Can I switch electricity providers in Round Rock?
Yes, for nearly all of the city — Round Rock proper is on Oncor's deregulated grid, a genuine contrast with Austin next door, where Austin Energy customers have no retail market. Switches process in days with no interruption; the new provider handles the transfer. A small number of outlying addresses west of the city fall in Pedernales co-op territory instead, so if you're on the fringes, let the address check confirm before you compare.
How do Oncor delivery charges affect my total Round Rock electricity bill?
Oncor delivery charges are regulated by the Texas PUC and passed through by every retail provider — they appear on your bill regardless of which company you choose. They include a fixed monthly base charge plus a per-kWh delivery fee. TrueBill includes Oncor delivery charges in every plan estimate for Round Rock addresses so the comparison reflects your actual all-in cost, not just the energy supply rate.
What is the difference between the Oncor delivery charge and the energy charge on my Round Rock electricity bill?
Your electricity bill has two main cost components: the energy supply charge set by your retail provider, and the Oncor delivery charge set by the Texas PUC. The energy supply portion is where provider competition happens — different plans offer different per-kWh rates, bill credits, and contract structures. The Oncor delivery charge is fixed and identical for every customer at your Round Rock address regardless of which provider you choose. Comparing plans by total estimated monthly cost — energy plus delivery — gives you a more accurate picture than comparing supply rates alone.

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.