Cost to Run a Pool Heater (Heat Pump) 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 (4 hours/day), a pool heater (heat pump) here costs $89.38 per month.
Per hour
$0.73
at 4,000–11,000 W
Per day
$2.94
4 hours/day
Per month
$89.38
608 kWh
Per year
$1,073
7,300 kWh
By usage level in Washington
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2 hrs/day) | $1.47 | $44.69 | $537 |
| Typical (4 hrs/day) | $2.94 | $89.38 | $1,073 |
| Heavy (8 hrs/day) | $5.88 | $179 | $2,146 |
Washington vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a pool heater (heat pump) in Washington?
At Washington's current average residential rate of 14.7¢/kWh (July 2026), a pool heater (heat pump) with typical usage costs about $2.94 per day, $89.38 per month, or $1,073 per year.
Is running a pool heater (heat pump) in Washington more expensive than average?
No — it's cheaper. Washington's rate is about 20% below the U.S. average: $89.38 per month here versus $111 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.