Cost to Run a Baseboard Heater in Arizona
Arizona's average residential electricity rate is 15.2¢/kWh as of May 2026 — the 19th cheapest in the country, 17% below the U.S. average. At typical usage (8 hours/day), a baseboard heater here costs $55.45 per month.
Per hour
$0.23
at 500–2,500 W
Per day
$1.82
8 hours/day
Per month
$55.45
365 kWh
Per year
$666
4,380 kWh
By usage level in Arizona
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.91 | $27.72 | $333 |
| Typical (8 hrs/day) | $1.82 | $55.45 | $666 |
| Heavy (16 hrs/day) | $3.65 | $111 | $1,332 |
Arizona vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a baseboard heater in Arizona?
At Arizona's current average residential rate of 15.2¢/kWh (May 2026), a baseboard heater with typical usage costs about $1.82 per day, $55.45 per month, or $666 per year.
Is running a baseboard heater in Arizona more expensive than average?
No — it's cheaper. Arizona's rate is about 17% below the U.S. average: $55.45 per month here versus $67.12 nationally.
What does electricity cost in Arizona right now?
Arizona residents pay an average of 15.2¢ per kWh as of May 2026 — the 19th cheapest rate of the 51 U.S. jurisdictions we track.