Cost to Run a Heat Pump in Washington
Washington's average residential electricity rate is 14.4¢/kWh as of April 2026 — the 12th cheapest in the country, 23% below the U.S. average. At typical usage (8 hours/day), a heat pump here costs $105 per month.
Per hour
$0.43
at 1,000–5,000 W
Per day
$3.46
8 hours/day
Per month
$105
730 kWh
Per year
$1,261
8,760 kWh
By usage level in Washington
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.73 | $52.53 | $631 |
| Typical (8 hrs/day) | $3.46 | $105 | $1,261 |
| Heavy (16 hrs/day) | $6.91 | $210 | $2,523 |
Washington vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a heat pump in Washington?
At Washington's current average residential rate of 14.4¢/kWh (April 2026), a heat pump with typical usage costs about $3.46 per day, $105 per month, or $1,261 per year.
Is running a heat pump in Washington more expensive than average?
No — it's cheaper. Washington's rate is about 23% below the U.S. average: $105 per month here versus $137 nationally.
What does electricity cost in Washington right now?
Washington residents pay an average of 14.4¢ per kWh as of April 2026 — the 12th cheapest rate of the 51 U.S. jurisdictions we track.