Cost to Run a LED Light Bulb in Iowa
Iowa's average residential electricity rate is 14.1¢/kWh as of May 2026 — the 8th cheapest in the country, 23% below the U.S. average. At typical usage (5 hours/day), a led light bulb here costs $0.19 per month.
Per hour
0.1¢
at 5–15 W
Per day
0.6¢
5 hours/day
Per month
$0.19
1.4 kWh
Per year
$2.32
16 kWh
By usage level in Iowa
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | 0.3¢ | $0.10 | $1.16 |
| Typical (5 hrs/day) | 0.6¢ | $0.19 | $2.32 |
| Heavy (10 hrs/day) | 1.3¢ | $0.39 | $4.63 |
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 14.1¢/kWh (May 2026), a led light bulb with typical usage costs about 0.6¢ per day, $0.19 per month, or $2.32 per year.
Is running a led light bulb in Iowa more expensive than average?
No — it's cheaper. Iowa's rate is about 23% below the U.S. average: $0.19 per month here versus $0.25 nationally.
What does electricity cost in Iowa right now?
Iowa residents pay an average of 14.1¢ per kWh as of May 2026 — the 8th cheapest rate of the 51 U.S. jurisdictions we track.