Cost to Run a Tankless Electric Water Heater in Wyoming
Wyoming's average residential electricity rate is 14.8¢/kWh as of May 2026 — the 14th cheapest in the country, 20% below the U.S. average. At typical usage (0.7 hours/day), a tankless electric water heater here costs $56.69 per month.
Per hour
$2.66
at 13,000–27,000 W
Per day
$1.86
0.7 hours/day
Per month
$56.69
383 kWh
Per year
$681
4,599 kWh
By usage level in Wyoming
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $0.93 | $28.34 | $340 |
| Typical (0.7 hrs/day) | $1.86 | $56.69 | $681 |
| Heavy (1.4 hrs/day) | $3.73 | $113 | $1,361 |
Wyoming 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 Wyoming?
At Wyoming's current average residential rate of 14.8¢/kWh (May 2026), a tankless electric water heater with typical usage costs about $1.86 per day, $56.69 per month, or $681 per year.
Is running a tankless electric water heater in Wyoming more expensive than average?
No — it's cheaper. Wyoming's rate is about 20% below the U.S. average: $56.69 per month here versus $70.48 nationally.
What does electricity cost in Wyoming right now?
Wyoming residents pay an average of 14.8¢ per kWh as of May 2026 — the 14th cheapest rate of the 51 U.S. jurisdictions we track.