How much does an electric lawn mower cost per month in Montana?

About 52.5¢ a month, assuming 0.80 kWh per cycle, 1 cycles a week at 15.14¢/kWh.

How many kilowatt-hours does an electric lawn mower use?

Roughly 42 kWh a year under these assumptions.

Is that expensive compared with other states?

Montana has the 16th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $7.63 a year.

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Cost to run an electric lawn mower in Montana (June 2026 rates)

At 15.14¢ per kilowatt-hour — Montana's average residential price in June 2026 — running an electric lawn mower costs $6.30 a year. That is 17% less than the national average of $7.63. Montana's residential rate is up 2.2% from June 2025, which moves this appliance from $6.16 to $6.30 a year.

Per cycle: 12.1¢
Per day: 1.7¢
Per month: 52.5¢
Per year: $6.30

Assumption: 0.80 kWh per cycle, 1 cycles a week — 42 kWh a year. One mow of a typical suburban lawn, battery or corded. Use the calculator to swap in the numbers from your own model.

How Montana compares

Montana pays 15.14¢/kWh, the 16th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $1.33 less a year than the typical U.S. household pays for the same use. Running the same electric lawn mower costs $5.45 a year in Nevada and $21.93 in Hawaii, so where you live changes this bill by $16.48 a year.

State	Rate	Per month	Per year
New Mexico	15.06¢	52.2¢	$6.26
Florida	15.10¢	52.3¢	$6.28
Montana	15.14¢	52.5¢	$6.30
Arizona	15.18¢	52.6¢	$6.31
Wyoming	15.24¢	52.8¢	$6.34

States ranked by average residential price, cheapest first. See all 51 states for an electric lawn mower.

What else costs about the same in Montana

Rice cooker$6.36 a year in MT Electric pressure cooker$6.36 a year in MT Security camera$6.63 a year in MT

Cutting the number down

A season of mowing costs less than a single tank of gasoline, which is the real argument for the switch.
A sharp blade cuts the load on the motor and the runtime for the same lawn.

Questions

How much does an electric lawn mower cost per month in Montana?: About 52.5¢ a month, assuming 0.80 kWh per cycle, 1 cycles a week at 15.14¢/kWh.
How many kilowatt-hours does an electric lawn mower use?: Roughly 42 kWh a year under these assumptions.
Is that expensive compared with other states?: Montana has the 16th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $7.63 a year.