Cost to Run a Tankless Electric Water Heater 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 (0.7 hours/day), a tankless electric water heater here costs $65.12 per month.
Per hour
$3.06
at 13,000–27,000 W
Per day
$2.14
0.7 hours/day
Per month
$65.12
383 kWh
Per year
$782
4,599 kWh
By usage level in Colorado
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $1.07 | $32.56 | $391 |
| Typical (0.7 hrs/day) | $2.14 | $65.12 | $782 |
| Heavy (1.4 hrs/day) | $4.28 | $130 | $1,564 |
Colorado vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a tankless electric water heater in Colorado?
At Colorado's current average residential rate of 17¢/kWh (July 2026), a tankless electric water heater with typical usage costs about $2.14 per day, $65.12 per month, or $782 per year.
Is running a tankless electric water heater in Colorado more expensive than average?
No — it's cheaper. Colorado's rate is about 7% below the U.S. average: $65.12 per month here versus $70.10 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.