Cost to Run a Electric 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 (2.9 hours/day), a electric water heater here costs $53.16 per month.
Per hour
$0.60
at 3,500–5,500 W
Per day
$1.75
2.9 hours/day
Per month
$53.16
397 kWh
Per year
$638
4,763 kWh
By usage level in Oklahoma
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $0.87 | $26.58 | $319 |
| Typical (2.9 hrs/day) | $1.75 | $53.16 | $638 |
| Heavy (5.8 hrs/day) | $3.50 | $106 | $1,277 |
Oklahoma vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a electric water heater in Oklahoma?
At Oklahoma's current average residential rate of 13.4¢/kWh (May 2026), a electric water heater with typical usage costs about $1.75 per day, $53.16 per month, or $638 per year.
Is running a electric water heater in Oklahoma more expensive than average?
No — it's cheaper. Oklahoma's rate is about 27% below the U.S. average: $53.16 per month here versus $73.00 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.