Cost to Run a Phone Charger in Montana
Montana's average residential electricity rate is 13.9¢/kWh as of April 2026 — the 7th cheapest in the country, 26% below the U.S. average. At typical usage (3 hours/day), a phone charger here costs 7.6¢ per month.
Per hour
0.1¢
at 4–20 W
Per day
0.3¢
3 hours/day
Per month
7.6¢
0.5 kWh
Per year
$0.91
6.6 kWh
By usage level in Montana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | 0.1¢ | 3.8¢ | $0.46 |
| Typical (3 hrs/day) | 0.3¢ | 7.6¢ | $0.91 |
| Heavy (6 hrs/day) | 0.5¢ | $0.15 | $1.83 |
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 13.9¢/kWh (April 2026), a phone charger with typical usage costs about 0.3¢ per day, 7.6¢ per month, or $0.91 per year.
Is running a phone charger in Montana more expensive than average?
No — it's cheaper. Montana's rate is about 26% below the U.S. average: 7.6¢ per month here versus $0.10 nationally.
What does electricity cost in Montana right now?
Montana residents pay an average of 13.9¢ per kWh as of April 2026 — the 7th cheapest rate of the 51 U.S. jurisdictions we track.