Cost to Run a Heat Pump Water Heater in Missouri
Missouri's average residential electricity rate is 14¢/kWh as of April 2026 — the 8th cheapest in the country, 26% below the U.S. average. At typical usage (3 hours/day), a heat pump water heater here costs $12.77 per month.
Per hour
$0.14
at 400–1,500 W
Per day
$0.42
3 hours/day
Per month
$12.77
91 kWh
Per year
$153
1,095 kWh
By usage level in Missouri
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $0.21 | $6.38 | $76.65 |
| Typical (3 hrs/day) | $0.42 | $12.77 | $153 |
| Heavy (6 hrs/day) | $0.84 | $25.54 | $307 |
Missouri vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a heat pump water heater in Missouri?
At Missouri's current average residential rate of 14¢/kWh (April 2026), a heat pump water heater with typical usage costs about $0.42 per day, $12.77 per month, or $153 per year.
Is running a heat pump water heater in Missouri more expensive than average?
No — it's cheaper. Missouri's rate is about 26% below the U.S. average: $12.77 per month here versus $17.15 nationally.
What does electricity cost in Missouri right now?
Missouri residents pay an average of 14¢ per kWh as of April 2026 — the 8th cheapest rate of the 51 U.S. jurisdictions we track.