Cost to Run a Electric Water Heater in Washington
Washington's average residential electricity rate is 14.7¢/kWh as of July 2026 — the 13th cheapest in the country, 20% below the U.S. average. At typical usage (2.9 hours/day), a electric water heater here costs $58.32 per month.
Per hour
$0.66
at 3,500–5,500 W
Per day
$1.92
2.9 hours/day
Per month
$58.32
397 kWh
Per year
$700
4,763 kWh
By usage level in Washington
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $0.96 | $29.16 | $350 |
| Typical (2.9 hrs/day) | $1.92 | $58.32 | $700 |
| Heavy (5.8 hrs/day) | $3.84 | $117 | $1,400 |
Washington vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a electric water heater in Washington?
At Washington's current average residential rate of 14.7¢/kWh (July 2026), a electric water heater with typical usage costs about $1.92 per day, $58.32 per month, or $700 per year.
Is running a electric water heater in Washington more expensive than average?
No — it's cheaper. Washington's rate is about 20% below the U.S. average: $58.32 per month here versus $72.60 nationally.
What does electricity cost in Washington right now?
Washington residents pay an average of 14.7¢ per kWh as of July 2026 — the 13th cheapest rate of the 51 U.S. jurisdictions we track.