Billowatt

Cost to Run a Central Air Conditioner in Colorado

Colorado's average residential electricity rate is 16.2¢/kWh as of May 2026 — the 23rd cheapest in the country, 12% below the U.S. average. At typical usage (8 hours/day), a central air conditioner here costs $138 per month.

Per hour

$0.57

at 2,000–5,000 W

Per day

$4.54

8 hours/day

Per month

$138

851 kWh

Per year

$1,656

10,220 kWh

By usage level in Colorado

Usage Per day Per month Per year
Light (4 hrs/day) $2.27 $68.95 $828
Typical (8 hrs/day) $4.54 $138 $1,656
Heavy (16 hrs/day) $9.07 $276 $3,311

Colorado vs. the rest of the country

Monthly cost at typical usage.

Colorado $138
West average $169
U.S. average $157

Frequently asked questions

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

At Colorado's current average residential rate of 16.2¢/kWh (May 2026), a central air conditioner with typical usage costs about $4.54 per day, $138 per month, or $1,656 per year.

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

No — it's cheaper. Colorado's rate is about 12% below the U.S. average: $138 per month here versus $157 nationally.

What does electricity cost in Colorado right now?

Colorado residents pay an average of 16.2¢ per kWh as of May 2026 — the 23rd 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 →