What a dehumidifier costs to run in Michigan
Michigan homes use 1,021 kWh a year on a dehumidifier. Priced on top of the rest of the bill, that costs $143.76 to $251.52 a year across 7 published Michigan plans — a $107.76 gap. Checked September 2, 2026.
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Every priced plan, average
| Plan | Per year | vs cheapest | Effective |
|---|---|---|---|
| Residential Service Secondary Non-Transmitting Meter Rate (RSM)✓ cheapestflat rate | $143.76 | — | 15.3¢ |
| Residential Smart Hours Rate (RSH)flat rate | $143.76 | — | 15.3¢ |
| Residential Nighttime Savers Rate (RPM)flat rate | $143.76 | — | 15.3¢ |
| Residential Nighttime Savers Rate (RPM)time-of-use | $234.36 | +$90.60 | 24.2¢ |
| Residential Smart Hours Rate (RSH)time-of-use | $237.07 | +$93.31 | 24.5¢ |
| Residential Summer On-Peak Basic Service (RSP)time-of-use | $237.36 | +$93.60 | 24.5¢ |
| Residential Service Secondary Non-Transmitting Meter Rate (RSM)time-of-use · tiered | $251.52 | +$107.76 | 24.3¢ |
Cost across usage levels
The cheapest plan at each consumption level, showing whether the ranking holds as usage changes.
- Lighter use — cheapest $56.40 (Residential Service Secondary Non-Transmitting Meter Rate (RSM)), dearest $98.72, a $42.32 spread
- Average — cheapest $143.76 (Residential Service Secondary Non-Transmitting Meter Rate (RSM)), dearest $251.52, a $107.76 spread
- Heavier use — cheapest $237.36 (Residential Service Secondary Non-Transmitting Meter Rate (RSM)), dearest $415.08, a $177.72 spread
What a dehumidifier costs here
Across 7 plans priced in Michigan, a dehumidifier adds $143.76 to $251.52 a year — $11.98 to $20.96 a month. The median plan puts a dehumidifier at $234.36 a year.
Cheapest for a dehumidifier: Residential Service Secondary Non-Transmitting Meter Rate (RSM), Consumers Energy Co. Dearest: Residential Service Secondary Non-Transmitting Meter Rate (RSM), Consumers Energy Co.
Those 1,021 kWh are billed at 14.1¢–24.6¢, against a 24.2¢ whole-bill average on the median plan: they land in the last tier the household reaches, so the average rate understates them by up to 0.4¢ per kWh.
What Michigan homes use
EIA's 2020 residential survey found 1,021 kWh a year across 138 sampled homes that run one, near the national 999 kWh. The middle half spans 401 kWh to 1,686 kWh, so a dehumidifier varies by 1,285 kWh between one household and another.
Portable and whole-home dehumidifiers. That average covers homes with a dehumidifier — 34% of homes here, against 17% nationally.
That makes a dehumidifier about 12% of the electricity a Michigan home uses. The remaining 7,349 kWh is what a dehumidifier is billed on top of, and on a tiered or time-of-use plan that is what sets the rate it meets.
Light and heavy use of a dehumidifier
A household in the lighter quarter runs a dehumidifier for 401 kWh a year and pays $56.40 on the cheapest plan. One in the heavier quarter runs it for 1,686 kWh and pays $237.36 — $180.96 more for a dehumidifier on the same tariff.
Limits
A 2020 survey average for Michigan, not a measurement of any one home, priced against the 7 Michigan tariffs WattClear has ingested — not every plan sold there.
New to these terms? The methodology page explains tiered bands, time-of-use periods and fixed charges, and sets out exactly what the rate engine assumes.
Estimate — your actual bill may differ.
Tariff structures from NREL/OpenEI Utility Rate Database (CC0 1.0), retrieved September 2, 2026.
Location resolved through the US Census Bureau Geocoder (Public domain) at 42.9634, -85.6681.