EIA data through August 2026 · updated 2026-10-29

Electricity rates in 78071 — Three Rivers, TX

Homes in ZIP 78071 pay about 9.9¢ per kWh (Karnes Electric Coop Inc., 2024 average). The Texas average is 15.9¢ and the U.S. average 18.2¢ (Aug 2026).

Avg. home price9.9¢per kWh
UtilityKarnes Electric Coop Inc.
TX average15.9¢Aug 2026
U.S. average18.2¢Aug 2026
Avg. monthly bill$1451,460 kWh/month, 2024
Texas has retail electricity choice. In most of Texas (the ERCOT market) homes buy power from a retail electric provider they choose, while the local utility delivers it. Compare official plan offers at PowerToChoose.org, run by the Public Utility Commission of Texas. Co-ops and municipal utilities outside the competitive market set their own rates.

In Live Oak County, the poles and wires belong to AEP Texas Central Company (delivery only — it does not sell electricity). Retail electric providers averaged 16.7¢ per kWh for Texas homes in 2024 (EIA-861).

What a month of electricity costs

500 kWh / month$50
900 kWh / month$89
1,200 kWh / month$119
1,450 kWh / month · avg. use$144

Monthly cost at the average price of 9.9¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.

Where ZIP 78071 is

Outlined: ZIP code area · scroll or pinch to zoom

Utilities serving 78071

UtilityHome priceAvg. billCustomers in TX
Karnes Electric Coop Inc.
Cooperative
9.9¢
2024
$14513,222
San Patricio Electric Coop Inc.
Cooperative
14.0¢
2024
$15610,007
Nueces Electric Cooperative
Cooperative · serves Live Oak County
15.2¢
Jan–Aug 2026
$13646,409

Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Live Oak County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.

Texas price trend

11¢13¢15¢17¢19¢20222023202420252026Texas averageU.S. average 11¢13¢15¢17¢19¢20222023202420252026Texas averageU.S. average
Texas averageU.S. average
Aug 202615.9¢per kWh
vs. 1 year ago+3.3%15.4¢
vs. 5 years ago+33.2%11.9¢
Record high17.0¢Apr 2026
Avg. home bill$2661,670 kWh, Aug
EIA forecast, West South Central15.3¢Dec 2027

Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the West South Central region, which includes Arkansas, Louisiana, Oklahoma, Texas.

Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.

Questions about 78071

How much does electricity cost in 78071?

About 9.9¢ per kWh for homes (Karnes Electric Coop Inc., 2024 average, EIA). At 900 kWh a month that is roughly $89.

Who is the electric utility for 78071?

Karnes Electric Coop Inc., with about 13,222 residential customers in Texas; 2 other utilities also serve parts of the area.

Is electricity in TX getting more expensive?

The Texas residential average was 15.9¢ per kWh in August 2026, up 3.3% from a year earlier; the U.S. average was 18.2¢.

Can I choose my electricity supplier in TX?

In the competitive ERCOT area of Texas, yes: compare retail electric provider plans at PowerToChoose.org, the official site of the Public Utility Commission of Texas.