Cost to Run a Electric 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 (2.9 hours/day), a electric water heater here costs $55.54 per month.
Per hour
$0.63
at 3,500–5,500 W
Per day
$1.83
2.9 hours/day
Per month
$55.54
397 kWh
Per year
$667
4,763 kWh
By usage level in Missouri
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $0.91 | $27.77 | $333 |
| Typical (2.9 hrs/day) | $1.83 | $55.54 | $667 |
| Heavy (5.8 hrs/day) | $3.65 | $111 | $1,334 |
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 14¢/kWh (April 2026), a electric water heater with typical usage costs about $1.83 per day, $55.54 per month, or $667 per year.
Is running a electric water heater in Missouri more expensive than average?
No — it's cheaper. Missouri's rate is about 26% below the U.S. average: $55.54 per month here versus $74.58 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.