Cost to Run a Heat Pump Water Heater in Oklahoma
Oklahoma's average residential electricity rate is 13.4¢/kWh as of May 2026 — the 3rd cheapest in the country, 27% below the U.S. average. At typical usage (3 hours/day), a heat pump water heater here costs $12.22 per month.
Per hour
$0.13
at 400–1,500 W
Per day
$0.40
3 hours/day
Per month
$12.22
91 kWh
Per year
$147
1,095 kWh
By usage level in Oklahoma
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $0.20 | $6.11 | $73.37 |
| Typical (3 hrs/day) | $0.40 | $12.22 | $147 |
| Heavy (6 hrs/day) | $0.80 | $24.44 | $293 |
Oklahoma 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 Oklahoma?
At Oklahoma's current average residential rate of 13.4¢/kWh (May 2026), a heat pump water heater with typical usage costs about $0.40 per day, $12.22 per month, or $147 per year.
Is running a heat pump water heater in Oklahoma more expensive than average?
No — it's cheaper. Oklahoma's rate is about 27% below the U.S. average: $12.22 per month here versus $16.78 nationally.
What does electricity cost in Oklahoma right now?
Oklahoma residents pay an average of 13.4¢ per kWh as of May 2026 — the 3rd cheapest rate of the 51 U.S. jurisdictions we track.