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How Much to Run a Dehumidifier in Michigan? $0.12/Hr, $70/Summer

Running dehumidifier in Michigan costs about $0.12 an hour and roughly $70 for the summer — 500 W for 6.6 hours a day at 23.05¢/kWh.

$0.12per hour
$70per summer, 92 days
525cooling degree-days, NOAA

· Source: EIA Electric Power Monthly Table 5.6.A (July 2026 data) · next EIA update ~Oct 23

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Dehumidifier in Michigan: watts ÷ 1,000 × hours × days × rate. Estimate, not a quote.
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Per hour
$0.12 at 23.05¢/kWh
Per summer
$70 (92 days)
Hours per day
6.6 (NOAA state cooling degree-days-scaled)
Degree-days used
525 (NOAA CPC state, population-weighted)
Wattage
500 W (typical 300–800)
Michigan rate
23.05¢ (July 2026)
Rank of 20 cold states
6 (6th most expensive)

Why this number

Running dehumidifier in Michigan costs about $0.12 an hour and roughly $70 for the summer — a 500 W unit for 6.6 hours a day over 92 days (June–August) at Michigan’s July 2026 average of 23.05¢/kWh. The hours are the national 12.0 h/day baseline scaled by NOAA CPC state population-weighted CDD, June–August 2026 (525 vs the CONUS 958); your utility’s rate moves it (table below), and the calculator takes your own wattage, hours and rate.

Michigan runs dehumidifier less than the national baseline in June–August — 6.6 hours a day on the NOAA state degree-day scaling used here, against 12.0 nationally — and pays 23.05¢/kWh for it. Those two numbers, times 500 W, are the whole $70.

Dehumidifier cost in Michigan by hours per day — per day / per summer

Dehumidifier cost per day and per summer in Michigan at 1 to 12 hours a day, at the state average rate and its largest utilities' EIA-861 prices
Hours per day Michigan avg 23.05¢ DTE Electric Company 20.1¢ Consumers Energy Co 19.1¢ Great Lakes Energy Coo 19.2¢
1 h $0.12 / $11 $0.10 / $9 $0.10 / $9 $0.10 / $9
2 h $0.23 / $21 $0.20 / $18 $0.19 / $18 $0.19 / $18
4 h $0.46 / $42 $0.40 / $37 $0.38 / $35 $0.38 / $35
6 h $0.69 / $64 $0.60 / $55 $0.57 / $53 $0.58 / $53
8 h $0.92 / $85 $0.80 / $74 $0.76 / $70 $0.77 / $71
12 h $1.38 / $127 $1.21 / $111 $1.15 / $105 $1.15 / $106

What Michigan’s utilities charge for it

Michigan's largest electric utilities and what dehumidifier costs per hour and per summer at each one's average price
Utility Residential customers ¢/kWh (EIA-861 2024) Per hour Per summer at 6.6 h/day
DTE Electric Company 2,067,779 20.1¢ $0.10 $61
Consumers Energy Co - (MI) 1,657,843 19.1¢ $0.10 $58
Great Lakes Energy Coop 120,645 19.2¢ $0.10 $58

What the numbers say about dehumidifier in Michigan

Michigan logged 525 population-weighted cooling degree-days over June–August (NOAA CPC state series), 55% of the CONUS figure of 958, which is why this page runs dehumidifier 6.6 hours a day against the national 12.0 — 5.4 hours less. At Michigan’s July 2026 rate of 23.05¢/kWh that makes it the 6th most expensive of the 20 cold states for dehumidifier: $70 for the 92-day summer, against Montana’s $21 and Alaska’s $103. DTE Electric Company, Michigan’s largest utility with 2,067,779 residential customers, averages 20.1¢ — $61 for the same hours — while Great Lakes Energy Coop at 19.2¢ comes to $58, a $3 spread on identical use. Michigan’s July 2026 rate of 23.05¢ sets the $0.12 per hour; its winter average of 20.11¢ is 2.94¢ lower, a difference that matters for heating loads but not for dehumidifier use in June–August.

Frequently asked questions

How much does it cost to run dehumidifier per hour in Michigan?

$0.12 an hour for a 500 W unit at Michigan’s July 2026 average of 23.05¢/kWh (500 ÷ 1,000 × 0.2305); at DTE Electric Company’s 20.1¢ it is $0.10.

How much does dehumidifier cost for the whole summer in Michigan?

About $70: 500 W × 6.6 hours a day × 92 days (June–August) × 23.05¢. The hours are the national 12.0 h/day scaled by NOAA CPC state population-weighted CDD, June–August 2026 (525 against the CONUS 958); enter your own hours above for your own figure.

Is dehumidifier expensive to run in Michigan compared with other cold states?

Michigan is the 6th most expensive of the 20 cold states on this site at $70 a summer; the range runs from Montana ($21) to Alaska ($103), driven almost entirely by the electricity rate.

How we calculated this

Worked for dehumidifier in Michigan: 500 W ÷ 1,000 × 0.2305 $/kWh = $0.12 per hour; hours per day = 12.0 × (525 ÷ 958) = 6.6; 500 ÷ 1,000 × 6.6 × 92 × 0.2305 = $70 for the summer. Rate: EIA Electric Power Monthly 5.6.A (July 2026); degree-days: NOAA CPC state population-weighted CDD, June–August 2026, against the CONUS total; utility prices: EIA-861 2024.

Sources: U.S. Energy Information Administration (EIA) electricity rates · DSIRE incentive records · public IRS/OBBBA guidance. Figures are modeled estimates, not quotes or tax advice. See our methodology.

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