How to Lower Your Summer Electricity Bill in Texas

Why Summer Bills Hit So Hard in Texas

Texas summers are brutal on your electricity bill. The average Texas household sees bills jump from around $120 in spring to $200 or more in July and August. Some homes in the Dallas-Fort Worth area or Houston report bills north of $300 during heat waves.

The reason is simple: air conditioning accounts for roughly 60-70% of your summer electricity costs. When outside temperatures hit 100 degrees and stay there for weeks, your AC runs almost nonstop to keep your house comfortable. That steady draw adds up fast.

Adjust Your Thermostat Strategically

The single biggest lever you have is your thermostat. Setting it to 78 degrees instead of 72 degrees can save you 18% or more on cooling costs. That is real money, potentially $40-$50 per month during peak summer.

If 78 feels too warm, try a compromise: set it to 76 when you are home and 82-84 when you are away. Ceiling fans cost about 1 cent per hour to run and can make a room feel 4 degrees cooler. Use them in rooms where people are actually sitting.

A programmable or smart thermostat takes the guesswork out of this. Set it to raise the temperature 30 minutes before you leave for work and lower it 30 minutes before you get home. You will never notice the difference, but your bill will.

Shift Your Electricity to Off-Peak Hours

In Texas, the grid is under the most stress between 2 PM and 8 PM on hot weekdays. If you are on a time-of-use plan, electricity during those hours can cost two to three times more than off-peak rates.

Even if you are on a flat-rate plan, reducing demand during peak hours helps you indirectly because it keeps wholesale prices lower, and those costs eventually trickle down to everyone.

Run your dishwasher, washing machine, and dryer before noon or after 8 PM. If you can pre-cool your home in the morning by setting the thermostat a degree or two lower, your AC will not have to work as hard during the hottest part of the afternoon.

Seal the Leaks

Your AC is fighting against every gap in your home’s envelope. Check weatherstripping around doors and windows. If you can see daylight around an exterior door, you are paying to cool the outdoors.

Attic insulation is another big one. In Texas, attics can reach 150 degrees in summer. If your insulation is thin or old, that heat radiates down into your living space and makes your AC run longer. Adding insulation to R-38 levels typically pays for itself within two to three years.

Maintain Your AC System

A dirty air filter forces your AC to work harder. Replace it every 30-60 days during summer. This alone can improve efficiency by 5-15%.

Schedule an annual tune-up before summer starts. A technician will check refrigerant levels, clean the coils, and make sure everything is running efficiently. The $100-$150 cost of a tune-up is usually recovered within the first month of summer through lower bills.

Pick the Right Plan

If your contract is up for renewal, shop for a new plan before summer hits. Fixed-rate plans locked in during February through April tend to be the cheapest because providers are competing for customers before the summer rush. Compare plans based on the Electricity Facts Label, and pay close attention to the rates at your typical monthly kWh level.