Wire & Watts

Electricity cost in Oklahoma, 2026

Homes in Oklahoma paid an average of 13.58¢ per kWh from January–July 2026 — 25% below the U.S. average of 18.19¢, and up 7.8% from the same months of 2025. That ranks 7th cheapest of the 50 states and DC.

Updated by Biel Vazquez · Source: EIA Electric Power Monthly, Table 5.6.B

$36.67a month (30 days)

Per hour of use
$0.20
Per day
$1.22 · 9.00 kWh
Per month
270.0 kWh
Per year
$446.10 · 3,285 kWh

Wattage on the nameplate is the maximum. Thermostat-controlled appliances (fridges, heaters, AC) cycle, so their real cost is usually lower; a plug-in meter tells you exactly.

What appliances cost to run in Oklahoma

At 13.58¢/kWh, 30-day month. Your utility's rate and fixed charges will differ; your bill's total divided by its kWh is your real price.

ApplianceWattsh/dayPer monthPer year
Refrigerator (modern, ENERGY STAR)15010$6.11$74.35
Central AC, 3 ton3,5008$114.07$1,388
Window AC, 10,000 BTU9008$29.33$356.88
Space heater1,5006$36.67$446.10
Electric water heater4,5003$55.00$669.15
Electric clothes dryer5,4000.75$16.50$200.75
Dehumidifier78512$38.38$466.92
55" LED TV1005$2.04$24.78
Desktop computer1208$3.91$47.58
Gaming PC under load4503$5.50$66.92
Wi-Fi router + modem2524$2.44$29.74
Level 2 EV charging, 32 A7,6801.50$46.93$571.01

Oklahoma compared with its neighbors

Oklahoma is in the EIA's West South Central region. July's price (14.35¢) ran above the year-to-date average, the usual summer peak. In the same region, Louisiana paid 13.35¢.

State¢/kWh 2026 YTDChange vs 2025National rank
Louisiana13.35+5.9%5 of 51
Oklahoma13.58+7.8%7 of 51
Arkansas13.61+8.0%8 of 51
Texas16.06+5.7%27 of 51

Charging an EV in Oklahoma

At this price, a car that goes 3.5 miles per kWh costs about $4.31 per 100 miles charged at home (counting 10% charging losses). A 40-mile daily commute adds about $51.73 a month to the bill. Size the circuit with the EV charger calculator.

Running backup power instead

A 7.5 kW portable generator at half load burns about 0.75 gallons of gasoline an hour, roughly 3.75 kWh. At $3.20 a gallon that is about 64¢ per kWh — 4.7 times Oklahoma's grid price. Generators are for outages, not savings. Compare with the fuel consumption calculator.

Data: U.S. Energy Information Administration, Electric Power Monthly, Tables 5.6.B (year to date) and 5.6.A (month), July 2026 data, preliminary. All states.