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

Electricity rates in 73437 — Graham, OK

Homes in ZIP 73437 pay about 11.4¢ per kWh (Red River Valley Rrl Elec Assn, 2024 average). The Oklahoma average is 14.8¢ and the U.S. average 18.2¢ (Aug 2026).

Avg. home price11.4¢per kWh
UtilityRed River Valley Rrl Elec Assn
OK average14.8¢Aug 2026
U.S. average18.2¢Aug 2026
Avg. monthly bill$1241,087 kWh/month, 2024

What a month of electricity costs

500 kWh / month$57
900 kWh / month$102
1,200 kWh / month$137

Monthly cost at the average price of 11.4¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.

Where ZIP 73437 is

Outlined: ZIP code area · scroll or pinch to zoom

Utilities serving 73437

UtilityHome priceAvg. billCustomers in OK
Red River Valley Rrl Elec Assn
Cooperative
11.4¢
2024
$12415,852
Oklahoma Gas & Electric Co.
Investor Owned · serves Carter County
12.1¢
Jan–Aug 2026
$125710,123
Cotton Electric Coop, Inc.
Cooperative · serves Carter County
11.9¢
2024
$15519,696
People's Electric Cooperative
Cooperative · serves Carter County
12.5¢
2024
$16914,728
Rural Electric Coop, Inc. (OK)
Cooperative · serves Carter County
11.3¢
2024
$1319,047

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

Oklahoma price trend

9¢12¢15¢18¢20222023202420252026Oklahoma averageU.S. average 9¢12¢15¢18¢20222023202420252026Oklahoma averageU.S. average
Oklahoma averageU.S. average
Aug 202614.8¢per kWh
vs. 1 year ago+2.8%14.4¢
vs. 5 years ago+30.3%11.4¢
Record high14.9¢Sep 2025
Avg. home bill$2511,696 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 73437

How much does electricity cost in 73437?

About 11.4¢ per kWh for homes (Red River Valley Rrl Elec Assn, 2024 average, EIA). At 900 kWh a month that is roughly $102.

Who is the electric utility for 73437?

Red River Valley Rrl Elec Assn, with about 15,852 residential customers in Oklahoma; 4 other utilities also serve parts of the area.

Is electricity in OK getting more expensive?

The Oklahoma residential average was 14.8¢ per kWh in August 2026, up 2.8% from a year earlier; the U.S. average was 18.2¢.