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Cost Analysis

Summer Electric Bills in North Texas

Texas has some of the lowest electricity rates in America — and some of the highest electric bills. The issue isn't the rate. It's consumption volume.

This rate-versus-consumption paradox explains why July electric bills in North Texas can exceed $300 even though Texas homeowners pay less per kilowatt-hour than homeowners in California, New York, or New England.

The U.S. Energy Information Administration tracks electricity prices, consumption, and bills for every state. Here's what the data reveals about why North Texas summer bills reach the levels they do.

Texas Electricity Rates: Below Average

Texas residential rates sit among the lowest in the nation — typically in the bottom 10-15 states by price per kWh.

State Rate (¢/kWh) vs. National Avg
Hawaii 42.76¢ +160%
California 31.12¢ +89%
New York 24.31¢ +48%
U.S. Average 16.48¢ Baseline
Texas 14.94¢ -9%
Oklahoma 11.52¢ -30%

Source: U.S. Energy Information Administration Electric Power Monthly, Table 5.6.a

Source: ElectricRates.org · Data: U.S. EIA

Source: ElectricRates.org · Data: U.S. EIA

Texas Consumption: Far Above Average

State Monthly kWh vs. National Avg
Louisiana 1,202 +39%
Texas 1,096 +27%
Florida 1,104 +28%
U.S. Average 863 Baseline
California 532 -38%

Texas households use 233 more kWh per month than the national average, consuming 27% more electricity than typical American homes.

Peak summer months can see consumption 50-100% higher than spring or fall — driven almost entirely by air conditioning.

Source: ElectricRates.org · Data: U.S. EIA

The Math: Why Low Rates Still Mean High Bills

The Texas electricity cost paradox emerges from simple arithmetic: rate multiplied by consumption.

State Rate × Consumption = Monthly Bill
Hawaii 42.76¢ 508 kWh $217.22
California 31.12¢ 532 kWh $165.56
Texas 14.94¢ 1,096 kWh $163.74
U.S. Average 16.48¢ 863 kWh $142.26

Despite Texas rates running 9% below national average, Texas electric bills run 15% above national average because Texas consumption runs 27% higher.

Air Conditioning: The Dominant Cost Driver

AC Share of Home Energy by Region

Region AC % Annual Cost
Pacific Northwest 2% ~$75
Northeast 4% ~$180
U.S. National 6% $265
Texas 18% ~$525
Florida 28% $540

AC Share by Month (Texas)

Month AC % of Electricity
April 15-25%
May 30-40%
June 45-55%
July 50-60%
August 50-60%
September 35-45%

In July and August, air conditioning alone consumes more than half of total household electricity in most North Texas homes.

Source: ElectricRates.org · Data: U.S. EIA

SEER Efficiency: The Equipment Variable

An AC system's SEER rating directly determines how much electricity the system consumes for cooling. Higher SEER ratings mean less electricity consumption for the same cooling output.

SEER Rating Relative Efficiency Annual Operating Cost*
SEER 10 Baseline (old) $481
SEER 13 +30% vs. 10 $370
SEER 16 +60% vs. 10 $301
SEER 18 +80% vs. 10 $267
SEER 20 +100% vs. 10 $240

*Based on 3-ton unit, 2,300 North Texas operating hours, ~$0.15/kWh. Homes in hotter South/West Texas can run 2,500-2,800+ annual cooling hours, increasing savings proportionally.

Considering an upgrade? See our SEER ratings guide to understand efficiency standards and our repair vs. replace calculator to determine if it's time.

Realistic Bill Expectations by Home Profile

Home Profile Typical Summer Bill
1,500 sq ft, efficient AC, 78°F $150-200
2,000 sq ft, average AC, 75°F $200-275
2,500 sq ft, older AC, 72°F $275-350
3,000+ sq ft, inefficient AC, 72°F $350-450+

Summer bills 50-100% higher than spring/fall bills are normal in North Texas — driven by physics, not price gouging.

What North Texas Homeowners Control

High Control

Medium Control

  • • Equipment efficiency (at replacement time)
  • • Home insulation (major project)

Weather: None. Plan for it, don't fight physics.

ERCOT and the Grid Stress Factor

Texas's Electric Reliability Council (ERCOT) operates the state grid that serves about 90% of Texas electric customers. In recent summers, ERCOT has repeatedly broken all-time demand records — the 85,931 MW peak set during the 2023 heat dome held until August 2024, when consecutive 105°F days pushed it higher.

For most homeowners on a fixed-rate plan, grid stress events don't directly change your bill. Your per-kWh rate is locked. But two indirect effects do matter:

  • Variable/indexed plans get punished. During Winter Storm Uri (February 2021), wholesale prices hit the $9,000/MWh cap and some variable-rate customers received bills in the tens of thousands.
  • Conservation appeals drive behavior change. ERCOT issues conservation alerts during tight grid conditions. Voluntarily raising your thermostat 2-4°F between 3-8 PM reduces strain and, on time-of-use plans, your cost.

See our ERCOT Grid & Your HVAC guide for backup strategies and demand-response context.

What North Texas Homeowners Can Actually Do

The diagnosis is straightforward; the fix is a layered strategy. Three actions deliver most of the savings available to you:

Data Sources

  • • U.S. Energy Information Administration (eia.gov)
  • • U.S. Department of Energy (energy.gov)
  • • ENERGY STAR (energystar.gov)
  • • Electric Reliability Council of Texas (ercot.com)
  • • Oncor Electric Delivery (oncor.com)

Want to Lower Your Summer Bills?

A well-maintained, properly sized AC system uses less electricity. Schedule a tune-up or get a free efficiency assessment.

Summer Bills FAQ

Common questions about Texas summer electricity costs

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