Cost to Run a Central Air Conditioner 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 (8 hours/day), a central air conditioner here costs $119 per month.
Per hour
$0.49
at 2,000–5,000 W
Per day
$3.92
8 hours/day
Per month
$119
851 kWh
Per year
$1,431
10,220 kWh
By usage level in Missouri
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.96 | $59.58 | $715 |
| Typical (8 hrs/day) | $3.92 | $119 | $1,431 |
| Heavy (16 hrs/day) | $7.84 | $238 | $2,862 |
Missouri vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a central air conditioner in Missouri?
At Missouri's current average residential rate of 14¢/kWh (April 2026), a central air conditioner with typical usage costs about $3.92 per day, $119 per month, or $1,431 per year.
Is running a central air conditioner in Missouri more expensive than average?
No — it's cheaper. Missouri's rate is about 26% below the U.S. average: $119 per month here versus $160 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.