Cost to Run a Phone Charger in Montana
Montana's average residential electricity rate is 14.7¢/kWh as of May 2026 — the 13th cheapest in the country, 20% below the U.S. average. At typical usage (3 hours/day), a phone charger here costs 8.0¢ per month.
Per hour
0.1¢
at 4–20 W
Per day
0.3¢
3 hours/day
Per month
8.0¢
0.5 kWh
Per year
$0.97
6.6 kWh
By usage level in Montana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | 0.1¢ | 4.0¢ | $0.48 |
| Typical (3 hrs/day) | 0.3¢ | 8.0¢ | $0.97 |
| Heavy (6 hrs/day) | 0.5¢ | $0.16 | $1.93 |
Montana 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 Montana?
At Montana's current average residential rate of 14.7¢/kWh (May 2026), a phone charger with typical usage costs about 0.3¢ per day, 8.0¢ per month, or $0.97 per year.
Is running a phone charger in Montana more expensive than average?
No — it's cheaper. Montana's rate is about 20% below the U.S. average: 8.0¢ per month here versus $0.10 nationally.
What does electricity cost in Montana right now?
Montana residents pay an average of 14.7¢ per kWh as of May 2026 — the 13th cheapest rate of the 51 U.S. jurisdictions we track.