Cost to Run a LED Light Bulb in Arizona
Arizona's average residential electricity rate is 15.5¢/kWh as of April 2026 — the 20th cheapest in the country, 18% below the U.S. average. At typical usage (5 hours/day), a led light bulb here costs $0.21 per month.
Per hour
0.1¢
at 5–15 W
Per day
0.7¢
5 hours/day
Per month
$0.21
1.4 kWh
Per year
$2.55
16 kWh
By usage level in Arizona
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | 0.3¢ | $0.11 | $1.27 |
| Typical (5 hrs/day) | 0.7¢ | $0.21 | $2.55 |
| Heavy (10 hrs/day) | 1.4¢ | $0.42 | $5.09 |
Arizona vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a led light bulb in Arizona?
At Arizona's current average residential rate of 15.5¢/kWh (April 2026), a led light bulb with typical usage costs about 0.7¢ per day, $0.21 per month, or $2.55 per year.
Is running a led light bulb in Arizona more expensive than average?
No — it's cheaper. Arizona's rate is about 18% below the U.S. average: $0.21 per month here versus $0.26 nationally.
What does electricity cost in Arizona right now?
Arizona residents pay an average of 15.5¢ per kWh as of April 2026 — the 20th cheapest rate of the 51 U.S. jurisdictions we track.