Average Electric Bill in Katy, TX

Discover the average electricity cost for homes in Katy, TX, what factors impact your monthly bill, and how to lower it.

Written by Christine Orlando | Reviewed By Luis Luna
Last updated February 13, 2026

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Snapshot of Average Electricity Costs in Katy Right Now

  • On average, the residential electricity rate in Katy is 15.50¢ per kilowatt-hour (kWh).
  • The average Katy home uses about 1,485 kWh of electricity each month, or roughly 17,816 kWh per year.
  • The typical monthly electricity bill for a Katy household is about $230.18
  • In one year, Katy residents spend roughly $2,761.48 on electricity.
  • That annual cost is approximately 31.30% more than the national average of $2,013.94.

How Katy’s Electric Bills Stack Up Against Texas and the U.S

Katy vs United States vs Texas:

Average Monthly Cost

Average Monthly Usage

Residential electricity prices in Katy average around 15.50¢ per kilowatt-hour. Katy households typically use about 1,485 kilowatt-hours of electricity each month, or around 17,816 kWh over the course of a year. With average monthly electric bills around $230.18, that adds up to approximately $2,761.48 in a year. This yearly cost is about 31.30% higher/lower than the national average electric bill of $2,013.94, and 26.00% higher/lower than the Texas statewide average.

 

Breakdown of Average Yearly Bill In Katy

Average Bill: $230.12

Why Electricity Use Runs Higher in Many Katy Homes

Electricity costs in Katy are shaped by a combination of daily energy habits, major home systems, and the structure of your electricity plan. Some sources of usage are seasonal, while others generate steady demand year-round. Understanding where electricity is most commonly used can help explain why bills rise and where savings opportunities exist.

Long Cooling Seasons and AC Runtime in Katy

Air conditioning accounts for a large share of electricity use in many Katy households. Extended warm seasons keep cooling systems running for long hours, particularly in late summer. Homes with older construction, inefficient insulation, outdated windows, or leaky ductwork often see higher usage because cooling systems must work harder to maintain indoor comfort.

Electric heating can also affect winter bills. Heat pumps and electric furnaces draw additional power during cold snaps, and even short periods of freezing temperatures can push usage higher. When HVAC systems run continuously, electricity costs tend to rise quickly.

Pools, Large Homes, and Power-Hungry Appliances

Several everyday appliances contribute significantly to monthly electricity consumption. Refrigerators and freezers operate nonstop, creating a consistent base load. Electric dryers and water heaters use large amounts of power each time they run. Pool ownership is also common in Katy, and pool pumps can add hundreds of kilowatt-hours to a monthly bill when operated for long periods.

Household routines matter as well. Running frequent laundry cycles, keeping a secondary refrigerator in the garage, or extending pool pump schedules can noticeably increase overall usage over time.

Always-On Electronics and Background Energy Use

Many Katy homes include electronics that continue drawing power even when not actively in use. Televisions, streaming boxes, gaming systems, Wi-Fi routers, smart speakers, and chargers left plugged in all contribute to standby electricity use, often referred to as phantom load or vampire energy.

While these devices use relatively small amounts of electricity individually, the combined impact can become noticeable in homes with multiple entertainment setups or smart devices. Managing standby usage can help reduce total monthly consumption.

EV Charging at Home and Its Impact on Monthly Bills

Charging an electric vehicle at home can significantly increase electricity use. Many EV owners add several hundred kilowatt-hours per month, depending on driving distance and charging habits. EV electricity plans that support off-peak or overnight charging can help manage these added costs by shifting usage to lower-priced hours.

Discover the best electricity rates in your area!

Where Katy Households Can Actually Cut Electric Costs

Lowering your electric bill in Katy usually comes down to cutting unnecessary energy use and selecting an electricity plan that aligns with how your household operates day to day. Small efficiency changes help, but plan structure often plays the biggest role in long-term cost control.

Matching Your Usage Pattern to the Right Plan Type

Many Katy households favor fixed-rate electricity plans because they keep the price per kilowatt-hour consistent for the full contract term. That predictability makes budgeting easier and helps protect against seasonal price pressure during periods of high demand.

Katy’s deregulated market also includes other plan structures, such as time-of-use (TOU), tiered, and bill/usage credit plans. These plans can work well when your energy habits closely match the plan design, but savings often depend on staying within specific usage ranges or shifting electricity use to certain times of day.

Reviewing the Electricity Facts Label (EFL) is the best way to understand how a plan works. Power Wizard simplifies that process by showing plan details and estimated costs in one place. Enter your ZIP code into our comparison tool to view options side by side and see how different plans may affect your bill.

Efficiency Fixes That Matter Most in Katy’s Climate

Because heating and cooling usually use the most electricity in Katy homes, focusing on temperature control can deliver meaningful electricity savings. A few targeted adjustments can reduce usage without major upgrades:

  • Adjust thermostat settings slightly higher in summer and lower in winter
  • Automate cooling schedules with a smart thermostat to limit unnecessary runtime
  • Use ceiling fans to improve comfort so your cooling system runs less often
  • Seal gaps around doors and windows and replace HVAC filters regularly

Seasonal Timing and Contract Renewals in Katy

Timing your plan search can influence available pricing. Electricity demand is often lower during spring and fall, which can make it a good time to compare options. Rates tend to rise during peak summer and winter demand, so it’s not always ideal to lock in a new electricity contract during these seasons.

It’s also important to track when your current contract ends. Starting your comparison at least 30 days before expiration helps you avoid rolling onto a higher month-to-month rate and gives you more flexibility in plan selection.

Choosing Green Electricity Without Installing Solar

Katy residents can choose green electricity plans without installing solar panels or additional equipment. These plans match your usage with renewable energy certificates (RECs) or equivalent renewable sourcing arrangements, while your electricity still comes from the same shared grid.

Power Wizard’s comparison tool allows you to filter for renewable options, making it easier to find a plan that supports cleaner energy while still fitting your usage and budget.

Who Controls Rates, Delivery, and Outages in Katy

Electricity service in Katy is split between two separate companies, each responsible for a different part of how power is delivered and billed. Understanding the difference between them can help explain who handles outages and why some charges stay the same even when you switch plans.

What CenterPoint Controls vs What Providers Control

CenterPoint Energy is the local Transmission and Distribution Utility (TDU) for Katy. It owns and maintains the physical electric grid, including poles, wires, transformers, and meters. When storms or equipment failures cause outages, CenterPoint is responsible for repairs and restoring service. Delivery charges are regulated and apply across the TDU service area, often listed as TDU or TDSP fees and appearing on every electricity bill.

Your retail electricity provider (REP) is the company you choose when enrolling in 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 structure, they all rely on the same CenterPoint infrastructure to deliver electricity to homes.

Why Delivery Fees Stay the Same No Matter the Plan

Delivery fees in Katy are established by CenterPoint Energy and apply equally to all customers within the service area. For customers in the same TDU area, delivery charges are the same across providers—but they can change periodically due to regulated updates. Because delivery costs are fixed, the main opportunity to manage your bill comes from choosing an energy rate and plan structure that better fits your usage.

Power Outages in Katy – Who to Call and Why

If you lose power in Katy or notice issues such as flickering lights or downed power lines, CenterPoint Energy should be your first call. Retail electricity providers do not manage grid equipment and cannot send repair crews. CenterPoint’s outage and emergency phone number is 800-332-7143. You can find it printed on your monthly bill, but you may want to save it to your phone for easier access.

Common Electricity Bill Questions From Katy Resident


Electric bills in Katy often climb during the summer months as high temperatures and humidity drive up air conditioning demand. Cooling systems run longer and work harder to maintain comfort, which increases overall usage. Some electricity plans also apply higher charges when usage exceeds certain thresholds, which commonly occurs between June and August. Choosing a plan ahead of summer and adjusting cooling habits can help manage these seasonal increases.


The average Katy household consumes about 1,485 kilowatt-hours per month. This level of usage tends to be higher than the national average due to extended cooling seasons that require air conditioners to run for long periods. Of course, actual electricity consumption for your home will depend on several factors, for example larger homes and older HVAC systems can also increase monthly electricity use.


A typical household in Katy, TX spends around $230.18 per month on electricity. Individual bills can vary significantly depending on factors like square footage, insulation quality, thermostat habits, HVAC efficiency, and the structure of the electricity plan you choose.


Katy apartments often use less electricity than single-family homes because they have smaller living spaces and shared walls that reduce heat exposure. Some renters also benefit from utilities being included in rent. That said, inefficient window units, electric heating, poor insulation, or a mismatched electricity plan can still result in higher apartment bills.


Most Katy EV owners spend approximately $40 to $70 per month charging their vehicles at home. The exact cost depends on your electricity rate, your vehicle’s energy efficiency, and how many miles you drive each month.

Comparing Katy Electricity Plans Without Guesswork

Power Wizard helps Katy residents compare electricity plans by showing estimated monthly costs. Instead of relying on advertised rates or digging through fine print, you can compare these costs and see how different plan structures stack up. Start comparing available Katy electricity plans today and use Power Wizard to make a more informed choice for your home.

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