States › Washington › December 2025
Washington electricity prices, December 2025
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In December 2025, residential customers in Washington paid an average of 13.33¢ per kilowatthour, up 12.5% on the same month a year earlier (11.85¢). The US average for the month was 17.24¢; Washington was 23% below that. It ranked 36th highest among the 50 states and the District of Columbia.
Residential sales were 4,046,467 MWh, down 3.0% on a year earlier, and the average residential bill for the month was $157.29 on 1,180 kWh. Weather moves monthly sales far more than prices do, so bills swing with the season.
EIA marks this month as preliminary. Preliminary months come from the Form EIA-861M sample and are revised when the annual census is complete.
Average price is revenue divided by sales for the sector and year; it is not a tariff rate. Reliability figures are as reported by utilities to EIA on Form 861 and may use different calculation methods. Monthly figures come from the Form EIA-861M sample and are revised when EIA finalises the year.
Price by sector
| Sector | Dec 2025 | Dec 2024 | Change | US, Dec 2025 |
|---|---|---|---|---|
| Residential | 13.33¢ | 11.85¢ | +12.5% | 17.24¢ |
| Commercial | 11.05¢ | 9.84¢ | +12.3% | 13.63¢ |
| Industrial | 6.92¢ | 6.35¢ | +9.0% | 8.53¢ |
| All sectors | 11.46¢ | 10.21¢ | +12.2% | 13.73¢ |
Sales and customers
| Measure | Dec 2025 | Dec 2024 | Change |
|---|---|---|---|
| Residential sales | 4 TWh | 4.2 TWh | -3.0% |
| Sales, all sectors | 8.4 TWh | 8.6 TWh | -2.3% |
| Residential customers | 3,428,326 | 3,385,940 | +1.3% |
| Average residential bill | $157.29 | $145.95 | +7.8% |
| Average residential use, kWh | 1,180 | 1,232 | -4.2% |
| US residential price | 17.24¢ | 16.27¢ | +6.0% |
The two years to December 2025
Washington residentialUS residential
Questions and answers
What was the average electricity price in Washington in December 2025?
13.33¢ per kilowatthour for residential customers, 11.05¢ for commercial and 6.92¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 11.85¢ in December 2024, a change of +12.5%. Residential sales changed by -3.0% over the same period.
What was the average residential bill that month?
$157.29, on average use of 1,180 kWh. This is residential revenue divided by residential customers for the month.
Provenance
Source: U.S. Energy Information Administration, Form EIA-861M sales and revenue workbook (state by sector and month), status "Preliminary" for this month, series published through July 2026. Public domain. Price = revenue ÷ sales; bill = residential revenue ÷ residential customers. Utility-level annual figures are on the Washington page.