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Residential electricity in Round Rock averages about 15.25¢ per kilowatt-hour, and the typical household uses roughly 1,085 kWh per month, or about 13,024 kWh over the course of a year. At that level of usage, monthly electric bills average around $165.46, totaling approximately $1,986.16 annually. That yearly cost comes in about 1.70% higher than the national average electric bill of $1,952.77, and 5.80% below the Texas statewide average.
Electric bills in Round Rock are shaped by household energy use, seasonal demand, and plan design. Knowing where most electricity goes in a typical home helps make sense of costs and evaluate plan options more accurately.
Air conditioning often accounts for the largest share of electricity use in many Round Rock households, especially during late spring and summer. Central air systems often run for long stretches to offset outdoor heat, while heat pumps may also draw power during cooler months for heating. Homes with inefficient insulation, older HVAC equipment, or poor airflow tend to use more electricity because systems must run longer to maintain comfortable indoor temperatures.
Supplemental cooling can increase usage as well. Window or portable AC units may help cool specific rooms, but they typically operate less efficiently than central systems. Together, heavy cooling in summer and electric heating during colder periods are two of the biggest contributors to seasonal bill increases.
Several everyday appliances quietly account for a large portion of monthly electricity use. Refrigerators and freezers cycle throughout the day, creating a steady baseline load. Electric water heaters and dryers pull significant power during each cycle. Homes with pools often see higher usage as well, since pool pumps can operate for hours at a time.
Usage patterns play a role here. Frequent laundry cycles, an extra refrigerator in the garage, or extended pump schedules can noticeably raise monthly consumption, particularly when combined with summer cooling demand.
Modern homes rely on an increasing number of electronic devices that draw power even when not in use. Televisions, gaming systems, streaming devices, Wi-Fi routers, and smart home equipment all consume small amounts of standby energy (also known as phantom load or vampire energy). While each device uses relatively little power on its own, the combined effect can add up over time, especially in households with multiple entertainment areas or extensive smart technology.
Charging an electric vehicle (EV) at home can significantly increase monthly electricity usage, sometimes by several hundred kilowatt-hours. For Round Rock residents with EVs, plan structure becomes especially important. Time-of-use and EV-focused plans can make overnight charging more affordable.
Cutting electricity costs in Round Rock usually comes down to two things: using energy more efficiently and selecting a plan that matches your household’s actual power use. Small changes in daily habits can help, but the plan you’re on often has the biggest impact on what you pay month after month.
Plan design matters just as much as the rate itself. Some plans offer free nights or weekends, but only deliver savings if most of your usage falls within those time windows. Usage-based bill credit plans offer savings when you meet a specific usage amount of electricity each month.
Fixed-rate electricity plans generally lock in the provider’s energy rate for the term, but your total bill and effective ¢/kWh can still change with usage and with changes in regulated delivery charges and fees. For many Round Rock households, this provides stability, especially during extended heat waves when cooling systems run more frequently.
Power Wizard makes comparing electricity plans simple. Just enter your ZIP code into our comparison tool to see rates and terms side by side.
You don’t need major upgrades to see savings on your electric bill. A few practical steps can help lower everyday energy use:
Timing can influence the rates available to you. Shopping for a new electricity plan during milder seasons like spring or early fall often means less price pressure compared to peak summer or winter months, when demand is highest.
It’s also important to track your current contract end date. Reviewing options several weeks ahead of time can help you avoid rolling into a higher month-to-month rate after your term expires.
100% Renewable electricity plans offer Round Rock residents a way to support electricity generated from cleaner sources without installing solar equipment at home. Using Renewable Energy Certificates (RECs), these plans match your electricity use with renewable generation while still functioning like a standard electricity plan.
With Power Wizard, you can filter and compare renewable options based on your needs and budget, making it easier to choose a plan that aligns with both your financial goals and sustainability preferences.
Electricity service in Round Rock is split between two separate entities, each with a different role in how your power is delivered and billed. Understanding the difference between your utility and your electricity provider can help clarify why outages happen and which parts of your bill you can and cannot control.
Oncor Electric Delivery is the local Transmission and Distribution Utility (TDU) for Round Rock. Oncor owns and maintains the physical grid, including power lines, poles, transformers, and meters. When storms or accidents cause outages, Oncor is responsible for repairs and restoring service.
Your retail electricity provider is the company you choose when selecting an electricity plan. The provider determines your energy rate, contract length, and plan features, and it issues your monthly bill. While providers compete on pricing and plan design, they all rely on the same Oncor infrastructure to deliver electricity to your home.
The delivery rates are approved and regulated by the Public Utility Commission of Texas (PUCT), not by individual electricity providers. These charges apply equally to all customers in the service area, regardless of which retail energy provider supplies their electricity. Switching providers will not remove or reduce these fees.
If your electricity goes out or you notice issues like flickering power or damaged lines, your TDU (Oncor Electric) Delivery should be your first call. Retail providers do not manage outage repairs and cannot dispatch crews. Oncor’s outage and emergency contact number (888) 313-4747 is usually printed on your electricity bill, so keep it handy for quick reporting.
If you’re ready to bring your Round Rock electricity costs under control, Power Wizard makes the process simple. Compare plans side by side, see how rates translate into real monthly bills, and pick an option that works for your home all year long.
As of February 2026, the typical Round Rock household pays around $165.46 per month for electricity. Actual bills can vary widely based on factors like square footage, insulation quality, thermostat preferences, and how often heating and cooling systems run. The electricity plan you choose and the rate you pay per kilowatt-hour also play a major role in your final cost.
The average home in Round Rock consumes roughly 1,085 kilowatt-hours (kWh) each month. Usage tends to run higher or lower than the national average due to the area’s long cooling season, which keeps air conditioners running for extended periods. Larger homes and less efficient HVAC systems can further increase monthly electricity use.
Home EV charging in Round Rock can add about $50 to $100 per month to an electric bill. The total cost depends on your electricity rate, vehicle efficiency, and the number of miles you drive each month.
