Cost to Run a Tankless Electric Water Heater in New Mexico
New Mexico's average residential electricity rate is 14.1¢/kWh as of May 2026 — the 9th cheapest in the country, 23% below the U.S. average. At typical usage (0.7 hours/day), a tankless electric water heater here costs $54.01 per month.
Per hour
$2.54
at 13,000–27,000 W
Per day
$1.78
0.7 hours/day
Per month
$54.01
383 kWh
Per year
$648
4,599 kWh
By usage level in New Mexico
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $0.89 | $27.00 | $324 |
| Typical (0.7 hrs/day) | $1.78 | $54.01 | $648 |
| Heavy (1.4 hrs/day) | $3.55 | $108 | $1,297 |
New Mexico 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 New Mexico?
At New Mexico's current average residential rate of 14.1¢/kWh (May 2026), a tankless electric water heater with typical usage costs about $1.78 per day, $54.01 per month, or $648 per year.
Is running a tankless electric water heater in New Mexico more expensive than average?
No — it's cheaper. New Mexico's rate is about 23% below the U.S. average: $54.01 per month here versus $70.48 nationally.
What does electricity cost in New Mexico right now?
New Mexico residents pay an average of 14.1¢ per kWh as of May 2026 — the 9th cheapest rate of the 51 U.S. jurisdictions we track.