Billowatt

Cost to Run a Central Air Conditioner in Colorado

Colorado's average residential electricity rate is 17¢/kWh as of July 2026 — the 30th cheapest in the country, 7% below the U.S. average. At typical usage (8 hours/day), a central air conditioner here costs $145 per month.

Per hour

$0.60

at 2,000–5,000 W

Per day

$4.76

8 hours/day

Per month

$145

851 kWh

Per year

$1,737

10,220 kWh

By usage level in Colorado

Usage Per day Per month Per year
Light (4 hrs/day) $2.38 $72.35 $869
Typical (8 hrs/day) $4.76 $145 $1,737
Heavy (16 hrs/day) $9.52 $289 $3,475

Colorado vs. the rest of the country

Monthly cost at typical usage.

Colorado $145
West average $169
U.S. average $156

Frequently asked questions

How much does it cost to run a central air conditioner in Colorado?

At Colorado's current average residential rate of 17¢/kWh (July 2026), a central air conditioner with typical usage costs about $4.76 per day, $145 per month, or $1,737 per year.

Is running a central air conditioner in Colorado more expensive than average?

No — it's cheaper. Colorado's rate is about 7% below the U.S. average: $145 per month here versus $156 nationally.

What does electricity cost in Colorado right now?

Colorado residents pay an average of 17¢ per kWh as of July 2026 — the 30th cheapest rate of the 51 U.S. jurisdictions we track.

Central Air Conditioner costs in nearby states

What else costs to run in Colorado

See the full Colorado electricity cost guide →