State electricity cost

How much does electricity cost in Montana?

The average residential electricity rate in Montana is 13.35¢ per kilowatt-hour (2026-04-ytd), the 9th-cheapest state average in the U.S. That is 28% below the unweighted average of the 51 state averages (18.54¢/kWh).

Source: U.S. Energy Information Administration, Electric Power Monthly Table 5.6.B (2026-06-25). State averages are not household tariffs: taxes, fixed charges, and tiered or time-of-use pricing are not included.

Example monthly bills at the Montana average rate

Engine-generated energy-portion estimates for three usage levels. Enter your own kWh in the bill estimator for a personalized range.

Monthly usage	Estimated range	Most likely
500 kWh	$55.27–$82.24	$66.75
1,000 kWh	$110.54–$164.47	$133.50
1,500 kWh	$165.81–$246.71	$200.25

What appliances cost to run in Montana

Each row prices that appliance's reference scenario at the Montana state-average rate through the appliance-energy engine. Open a guide to adjust watts, hours, and usage.

Appliance	Reference scenario	kWh/month	Estimated/month
Central air conditioner	8 hours a day with moderate cycling	504.00	$67.28
Space heater	6 hours a day on 20 days in a month	144.00	$19.22
Electric water heater	Elements active about 3 hours a day	405.00	$54.07
Refrigerator	150 watts with a 35% compressor duty cycle	37.80	$5.05
EV home charging (Level 2)	About 2.5 charging hours a day (~50 miles)	468.00	$62.48
Pool pump	8 hours a day at full draw	264.00	$35.24
Electric dryer	45-minute cycles, twelve times per month	22.95	$3.06
Television	5 hours a day of mixed viewing	16.50	$2.20

Source: U.S. Energy Information Administration, Electric Power Monthly Table 5.6.B. Data vintage 2026-04-ytd.

Frequently asked questions

What is the average electricity rate in Montana?

The published state-average residential rate for Montana is 13.35 cents per kilowatt-hour (2026-04-ytd, EIA). Your utility's tariff can differ meaningfully once fixed charges, taxes, and rate tiers are applied.

Is electricity in Montana cheap or expensive compared with other states?

Montana has the 9th-cheapest state-average rate of the 51 averages we track, sitting 28% below the unweighted average of the 51 state averages (18.54¢/kWh).

Why is my actual Montana bill different from these estimates?

These examples apply one state-average rate to assumed usage. Real bills add fixed monthly charges, taxes and fees, tiered or time-of-use pricing, and your household’s actual kilowatt-hours, which vary with weather and behavior.

Keep comparing

Utah — next-cheapest state average (13.15¢/kWh)
Louisiana — next state average up (13.36¢/kWh)

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