How much does a hot tub cost per month in Michigan?

About $48.02 a month, assuming 2,500 kWh a year at 23.05¢/kWh.

How many kilowatt-hours does a hot tub use?

Roughly 2,500 kWh a year under these assumptions.

Is that expensive compared with other states?

Michigan has the 13th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $458 a year.

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Cost to run a hot tub in Michigan (July 2026 rates)

At 23.05¢ per kilowatt-hour — Michigan's average residential price in July 2026 — running a hot tub costs $576 a year. That is 26% more than the national average of $458. Michigan's residential rate is up 12.2% from July 2025, which moves this appliance from $514 to $576 a year.

Per day: $1.58
Per month: $48.02
Per year: $576

Assumption: 2,500 kWh a year. A well-insulated 400-gallon tub held at 100 F year-round in a moderate climate. A poorly insulated tub in a cold climate can double this. Use the calculator to swap in the numbers from your own model.

How Michigan compares

Michigan pays 23.05¢/kWh, the 13th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $119 more a year than the typical U.S. household pays for the same use. Running the same hot tub costs $318 a year in Louisiana and $1,200 in Hawaii, so where you live changes this bill by $882 a year.

State	Rate	Per month	Per year
Maryland	21.41¢	$44.60	$535
Pennsylvania	21.72¢	$45.25	$543
Michigan	23.05¢	$48.02	$576
Vermont	23.75¢	$49.48	$594
Connecticut	24.16¢	$50.33	$604

States ranked by average residential price, cheapest first. See all 51 states for a hot tub.

What else costs about the same in Michigan

Central air conditioner$542 a year in MI Heat pump$498 a year in MI Pool pump$398 a year in MI

Cutting the number down

A good cover is the whole ballgame. Most of the energy replaces heat lost from the surface, not heat delivered to people.
Holding temperature usually beats cooling down and reheating, because reheating a large mass of water is expensive.
A waterlogged cover has lost its insulation value and quietly doubles the standing loss.

Questions

How much does a hot tub cost per month in Michigan?: About $48.02 a month, assuming 2,500 kWh a year at 23.05¢/kWh.
How many kilowatt-hours does a hot tub use?: Roughly 2,500 kWh a year under these assumptions.
Is that expensive compared with other states?: Michigan has the 13th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $458 a year.