Cost to Run a Pool Heater (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 (4 hours/day), a pool heater (heat pump) here costs $87.55 per month.
Per hour
$0.72
at 4,000–11,000 W
Per day
$2.88
4 hours/day
Per month
$87.55
608 kWh
Per year
$1,051
7,300 kWh
By usage level in Washington
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2 hrs/day) | $1.44 | $43.78 | $526 |
| Typical (4 hrs/day) | $2.88 | $87.55 | $1,051 |
| Heavy (8 hrs/day) | $5.76 | $175 | $2,102 |
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 14.4¢/kWh (April 2026), a pool heater (heat pump) with typical usage costs about $2.88 per day, $87.55 per month, or $1,051 per year.
Is running a pool heater (heat pump) in Washington more expensive than average?
No — it's cheaper. Washington's rate is about 23% below the U.S. average: $87.55 per month here versus $114 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.