Cost to Run a Incandescent Bulb in Rhode Island
Rhode Island's average residential electricity rate is 29.5¢/kWh as of May 2026 — the 48th cheapest in the country, 60% above the U.S. average. At typical usage (5 hours/day), a incandescent bulb here costs $2.69 per month.
Per hour
1.8¢
at 40–100 W
Per day
8.8¢
5 hours/day
Per month
$2.69
9.1 kWh
Per year
$32.30
110 kWh
By usage level in Rhode Island
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | 4.4¢ | $1.35 | $16.15 |
| Typical (5 hrs/day) | 8.8¢ | $2.69 | $32.30 |
| Heavy (10 hrs/day) | $0.18 | $5.38 | $64.60 |
Rhode Island vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a incandescent bulb in Rhode Island?
At Rhode Island's current average residential rate of 29.5¢/kWh (May 2026), a incandescent bulb with typical usage costs about 8.8¢ per day, $2.69 per month, or $32.30 per year.
Is running a incandescent bulb in Rhode Island more expensive than average?
Yes. Rhode Island's electricity costs about 60% more than the U.S. average, so the same usage costs $2.69 per month here versus $1.68 nationally.
What does electricity cost in Rhode Island right now?
Rhode Island residents pay an average of 29.5¢ per kWh as of May 2026 — the 48th cheapest rate of the 51 U.S. jurisdictions we track.