State electricity cost

How much does electricity cost in Montana?

The average residential electricity rate in Montana is 13.95¢ per kilowatt-hour (2026-07-ytd), the 10th-cheapest state average in the U.S. That is 26% below the unweighted average of the 51 state averages (18.88¢/kWh).

Source: U.S. Energy Information Administration, Electric Power Monthly Table 5.6.B (2026-09-24). This aggregate rate does not reproduce your utility's fixed charges, tax treatment, tiers or time-of-use schedule.

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	$57.75–$85.93	$69.75
1,000 kWh	$115.51–$171.86	$139.50
1,500 kWh	$173.26–$257.80	$209.25

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	$70.31
Space heater	6 hours a day on 20 days in a month	144.00	$20.09
Electric water heater	Elements active about 3 hours a day	405.00	$56.50
Refrigerator	150 watts with a 35% compressor duty cycle	37.80	$5.27
EV home charging (Level 2)	About 2.5 charging hours a day (~50 miles)	468.00	$65.29
Pool pump	8 hours a day at full draw	264.00	$36.83
Electric dryer	45-minute cycles, twelve times per month	22.95	$3.20
Television	5 hours a day of mixed viewing	16.50	$2.30

Source: U.S. Energy Information Administration, Electric Power Monthly Table 5.6.B. Data vintage 2026-07-ytd.

Frequently asked questions

What is the average electricity rate in Montana?

The published state-average residential rate for Montana is 13.95 cents per kilowatt-hour (2026-07-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 10th-cheapest state-average rate of the 51 averages we track, sitting 26% below the unweighted average of the 51 state averages (18.88¢/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

Tennessee — next-cheapest state average (13.87¢/kWh)
Wyoming — next state average up (13.95¢/kWh)

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