How Much Does 500 kWh Cost in Washington?

This usage-based electricity page estimates the energy-only cost of 500 kWh in Washington using the latest statewide residential average rate.

Washington average rate
12.86 ¢/kWh
Estimated 500 kWh cost
$64.30
U.S. average cost
$87.85

Key metrics

MetricValue
Washington average rate12.86 ¢/kWh
Estimated 500 kWh cost$64.30
U.S. average cost$87.85

Compared to U.S. average

Washington (500 kWh)
$64.30
U.S. (500 kWh)
$87.85
Difference
-$23.55

500 kWh in Washington is less expensive by $23.55 compared to the U.S. average.

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Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Last dataset period: February 2026. Costs are energy-only estimates and exclude delivery charges, taxes, and fixed utility fees.

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