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
14.40 ¢/kWh
Estimated 500 kWh cost
$72.00
U.S. average cost
$95.20

Key metrics

MetricValue
Washington average rate14.40 ¢/kWh
Estimated 500 kWh cost$72.00
U.S. average cost$95.20

Compared to U.S. average

Washington (500 kWh)
$72.00
U.S. (500 kWh)
$95.20
Difference
-$23.20

500 kWh in Washington is less expensive by $23.20 compared to the U.S. average.

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Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: March 2026. Estimates are energy-only and exclude delivery charges, taxes, and fixed utility fees. For how rates and estimates are defined, see the methodology hub.

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