Cost to Run a Electric Water Heater in Missouri
Missouri's average residential electricity rate is 16.1¢/kWh as of July 2026 — the 25th cheapest in the country, 12% below the U.S. average. At typical usage (2.9 hours/day), a electric water heater here costs $63.87 per month.
Per hour
$0.72
at 3,500–5,500 W
Per day
$2.10
2.9 hours/day
Per month
$63.87
397 kWh
Per year
$767
4,763 kWh
By usage level in Missouri
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $1.05 | $31.94 | $383 |
| Typical (2.9 hrs/day) | $2.10 | $63.87 | $767 |
| Heavy (5.8 hrs/day) | $4.20 | $128 | $1,534 |
Missouri 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 Missouri?
At Missouri's current average residential rate of 16.1¢/kWh (July 2026), a electric water heater with typical usage costs about $2.10 per day, $63.87 per month, or $767 per year.
Is running a electric water heater in Missouri more expensive than average?
No — it's cheaper. Missouri's rate is about 12% below the U.S. average: $63.87 per month here versus $72.60 nationally.
What does electricity cost in Missouri right now?
Missouri residents pay an average of 16.1¢ per kWh as of July 2026 — the 25th cheapest rate of the 51 U.S. jurisdictions we track.