Cost to Run a Incandescent Bulb in Colorado
Colorado's average residential electricity rate is 16.5¢/kWh as of April 2026 — the 26th cheapest in the country, 12% below the U.S. average. At typical usage (5 hours/day), a incandescent bulb here costs $1.50 per month.
Per hour
1.0¢
at 40–100 W
Per day
5.0¢
5 hours/day
Per month
$1.50
9.1 kWh
Per year
$18.07
110 kWh
By usage level in Colorado
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | 2.5¢ | $0.75 | $9.03 |
| Typical (5 hrs/day) | 5.0¢ | $1.50 | $18.07 |
| Heavy (10 hrs/day) | $0.10 | $3.01 | $36.14 |
Colorado vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a incandescent bulb in Colorado?
At Colorado's current average residential rate of 16.5¢/kWh (April 2026), a incandescent bulb with typical usage costs about 5.0¢ per day, $1.50 per month, or $18.07 per year.
Is running a incandescent bulb in Colorado more expensive than average?
No — it's cheaper. Colorado's rate is about 12% below the U.S. average: $1.50 per month here versus $1.71 nationally.
What does electricity cost in Colorado right now?
Colorado residents pay an average of 16.5¢ per kWh as of April 2026 — the 26th cheapest rate of the 51 U.S. jurisdictions we track.