Energy Calculators

Washington electric bill calculator

Estimate a monthly electricity bill in Washington from your usage and the state’s average residential price.

A Washington household using the state average of 945 kWh a month (2025) would pay about $138.25 a month at the August 2026 average price of 14.63¢/kWh (EIA).

Pre-fills the average price (Aug 2026) and typical use (EIA).

kWh

Average for Washington: 945 kWh/month (2025, EIA). Your bill shows your actual use.

¢/kWh
Estimated monthly bill
$138.25
Per year
$1,659
Monthly bill at 14.63¢/kWh
Monthly useBill
500 kWh$73.15
750 kWh$109.73
1,000 kWh$146.30
1,500 kWh$219.45
2,000 kWh$292.60

Formula: monthly bill = kWh used × average price per kWh. EIA’s average price already includes fixed monthly charges, spread over all kWh.

Inputs used: use: 945 kWh/month; rate: 14.63¢/kWh; state: Washington.

These are estimates, not financial advice.

Source: U.S. Energy Information Administration (Aug 2026). About our data

Typical monthly bill
$138.25945 kWh × 14.63¢/kWh
vs U.S. typical bill
−12.9%U.S.: $158.72
Rank (1 = highest bill)
39thof 51

Washington bills at common usage levels

Monthly useBill at 14.63¢/kWh
500 kWh$73.15
750 kWh$109.73
1,000 kWh$146.30
1,500 kWh$219.45
2,000 kWh$292.60

Average monthly bill over the last 12 months

Washington average residential electric bill per customer by monthWashington average bill: $102 in Sep 2025, $120 in Aug 2026. Low $102, high $175.$80$100$120$140$160$180Nov 2025Feb 2026May 2026Aug 2026
· dollars per customer per month
Show data table
MonthWashington average bill
Aug 2026$120
Jul 2026$126
Jun 2026$114
May 2026$113
Apr 2026$131
Mar 2026$157
Feb 2026$153
Jan 2026$175
Dec 2025$156
Nov 2025$123
Oct 2025$109
Sep 2025$102

Source: U.S. Energy Information Administration (Aug 2026). About our data

States with similar typical bills

How we calculate

bill = kWh × average price per kWh. Typical use is Washington’s 2025 residential sales divided by residential customers and 12 months. The monthly chart uses each month’s sales per customer × that month’s price.

See the methodology for details.

Frequently asked questions

What is the average electric bill in Washington?

About $138.25 a month for a household using the Washington average of 945 kWh (2025) at the August 2026 price of 14.63¢/kWh. That is −12.9% versus the U.S. figure calculated the same way ($158.72).

When are Washington electric bills highest?

Over the last 12 months with published data, the average residential bill was highest in January 2026 ($175.19) and lowest in September 2025 ($102.03), based on EIA sales, customers and prices.

Does this include fixed charges and taxes?

EIA’s average price is total residential revenue divided by kWh sold, so fixed customer charges are included, spread over all kWh. Taxes and fees collected on behalf of governments may not be fully included, so actual bills can be somewhat higher.

Data last updated: