Cost to Run a Electric Water Heater in Oklahoma
Oklahoma's average residential electricity rate is 14.4¢/kWh as of July 2026 — the 10th cheapest in the country, 21% below the U.S. average. At typical usage (2.9 hours/day), a electric water heater here costs $57.13 per month.
Per hour
$0.65
at 3,500–5,500 W
Per day
$1.88
2.9 hours/day
Per month
$57.13
397 kWh
Per year
$686
4,763 kWh
By usage level in Oklahoma
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $0.94 | $28.56 | $343 |
| Typical (2.9 hrs/day) | $1.88 | $57.13 | $686 |
| Heavy (5.8 hrs/day) | $3.76 | $114 | $1,372 |
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 14.4¢/kWh (July 2026), a electric water heater with typical usage costs about $1.88 per day, $57.13 per month, or $686 per year.
Is running a electric water heater in Oklahoma more expensive than average?
No — it's cheaper. Oklahoma's rate is about 21% below the U.S. average: $57.13 per month here versus $72.60 nationally.
What does electricity cost in Oklahoma right now?
Oklahoma residents pay an average of 14.4¢ per kWh as of July 2026 — the 10th cheapest rate of the 51 U.S. jurisdictions we track.