Cost to Run a LED Light Bulb in Iowa
Iowa's average residential electricity rate is 16¢/kWh as of July 2026 — the 23rd cheapest in the country, 13% below the U.S. average. At typical usage (5 hours/day), a led light bulb here costs $0.22 per month.
Per hour
0.1¢
at 5–15 W
Per day
0.7¢
5 hours/day
Per month
$0.22
1.4 kWh
Per year
$2.63
16 kWh
By usage level in Iowa
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | 0.4¢ | $0.11 | $1.31 |
| Typical (5 hrs/day) | 0.7¢ | $0.22 | $2.63 |
| Heavy (10 hrs/day) | 1.4¢ | $0.44 | $5.26 |
Iowa 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 Iowa?
At Iowa's current average residential rate of 16¢/kWh (July 2026), a led light bulb with typical usage costs about 0.7¢ per day, $0.22 per month, or $2.63 per year.
Is running a led light bulb in Iowa more expensive than average?
No — it's cheaper. Iowa's rate is about 13% below the U.S. average: $0.22 per month here versus $0.25 nationally.
What does electricity cost in Iowa right now?
Iowa residents pay an average of 16¢ per kWh as of July 2026 — the 23rd cheapest rate of the 51 U.S. jurisdictions we track.