Cost to Run a Phone Charger in Rhode Island
Rhode Island's average residential electricity rate is 28.3¢/kWh as of April 2026 — the 45th cheapest in the country, 51% above the U.S. average. At typical usage (3 hours/day), a phone charger here costs $0.15 per month.
Per hour
0.2¢
at 4–20 W
Per day
0.5¢
3 hours/day
Per month
$0.15
0.5 kWh
Per year
$1.86
6.6 kWh
By usage level in Rhode Island
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | 0.3¢ | 7.7¢ | $0.93 |
| Typical (3 hrs/day) | 0.5¢ | $0.15 | $1.86 |
| Heavy (6 hrs/day) | 1.0¢ | $0.31 | $3.72 |
Rhode Island vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a phone charger in Rhode Island?
At Rhode Island's current average residential rate of 28.3¢/kWh (April 2026), a phone charger with typical usage costs about 0.5¢ per day, $0.15 per month, or $1.86 per year.
Is running a phone charger in Rhode Island more expensive than average?
Yes. Rhode Island's electricity costs about 51% more than the U.S. average, so the same usage costs $0.15 per month here versus $0.10 nationally.
What does electricity cost in Rhode Island right now?
Rhode Island residents pay an average of 28.3¢ per kWh as of April 2026 — the 45th cheapest rate of the 51 U.S. jurisdictions we track.