How Much Does 500 kWh Cost in Oklahoma?

500 kWh of electricity costs about $66.55 in Oklahoma at the state's average rate of 13.31 ¢/kWh. That uses the all-in average rate — delivery, fixed charges, and utility fees are already inside it; locally billed taxes vary by area.

Oklahoma average rate
13.31 ¢/kWh
Estimated 500 kWh cost
$66.55
U.S. average cost
$96.60

Key metrics

MetricValue
Oklahoma average rate13.31 ¢/kWh
Estimated 500 kWh cost$66.55
U.S. average cost$96.60

Compared to U.S. average

Oklahoma (500 kWh)
$66.55
U.S. (500 kWh)
$96.60
Difference
-$30.05

500 kWh in Oklahoma is less expensive by $30.05 compared to the U.S. average.

kWh cost calculator

Enter any kWh amount and pick your state (or U.S. average) to see estimated electricity cost using published residential average rates.

Estimated cost: $66.55

500 kWh × 13.31 ¢/kWh = $66.55 (Oklahoma)

Per day (÷30)
$2.22
Per month
$66.55
Per year (×12)
$798.60

For 500 kWh, the lowest state average is North Dakota ($61.75) and the highest is Hawaii ($233.10).

View electricity price per kWh in Oklahoma

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: April 2026.

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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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