Window AC Electricity Calculator in Oklahoma

A window ac in Oklahoma costs about $28.75 a month ($349.79 a year) to run at the state's average rate of 13.31 ¢/kWh. Use this calculator to compare light, typical, and heavy use.

Oklahoma average rate
13.31 ¢/kWh
Assumed wattage
900 W
Typical usage pattern
8 hours/day
Typical monthly cost
$28.75
Typical yearly cost
$349.79

Key metrics

MetricValue
Oklahoma average rate13.31 ¢/kWh
Assumed wattage900 W
Typical usage pattern8 hours/day
Typical monthly cost$28.75
Typical yearly cost$349.79

Window AC in Oklahoma vs U.S. benchmark

Oklahoma monthly estimate
$28.75
U.S. monthly estimate
$41.73
Difference
-$12.98
State rate
13.31 ¢/kWh

Calculator assumptions

This calculator uses a typical wattage range of 500-1,500 W, and we assume 900 watts for 8 hours/day. The formula is kWh = (watts × hours) / 1000.

At this profile, the appliance uses 216.0 kWh per month and 2628.0 kWh per year.

Appliance calculator scenarios

ScenarioHours/dayAnnual energyOklahoma monthlyU.S. monthlyOklahoma yearly
Light usage4 hours/day1314.0 kWh$14.37$20.87$174.89
Typical usage8 hours/day2628.0 kWh$28.75$41.73$349.79
Heavy usage12 hours/day3942.0 kWh$43.12$62.60$524.68

Appliance cost reference page

Want the full write-up? The appliance page below uses the same rate and wattage assumptions:

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Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: April 2026. Estimates use the EIA all-in average residential rate — energy, delivery, fixed charges, and utility fees together, not just the electricity itself. Fees are inside the rate, not an extra on top; how your own bill splits fixed versus per-kWh charges varies by utility. For what's inside the all-in rate, see hidden electricity fees; for how rates and estimates are defined, see the methodology hub.

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