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How Much to Run a Dehumidifier in Wyoming? $0.07/Hr, $27/Summer

Running dehumidifier in Wyoming costs about $0.07 an hour and roughly $27 for the summer — 500 W for 4.2 hours a day at 14.36¢/kWh.

$0.07per hour
$27per summer, 92 days
332cooling 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 Wyoming: watts ÷ 1,000 × hours × days × rate. Estimate, not a quote.
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Per hour
$0.07 at 14.36¢/kWh
Per summer
$27 (92 days)
Hours per day
4.2 (NOAA state cooling degree-days-scaled)
Degree-days used
332 (NOAA CPC state, population-weighted)
Wattage
500 W (typical 300–800)
Wyoming rate
14.36¢ (July 2026)
Rank of 20 cold states
19 (19th most expensive)

Why this number

Running dehumidifier in Wyoming costs about $0.07 an hour and roughly $27 for the summer — a 500 W unit for 4.2 hours a day over 92 days (June–August) at Wyoming’s July 2026 average of 14.36¢/kWh. The hours are the national 12.0 h/day baseline scaled by NOAA CPC state population-weighted CDD, June–August 2026 (332 vs the CONUS 958); your utility’s rate moves it (table below), and the calculator takes your own wattage, hours and rate.

Wyoming runs dehumidifier less than the national baseline in June–August — 4.2 hours a day on the NOAA state degree-day scaling used here, against 12.0 nationally — and pays 14.36¢/kWh for it. Those two numbers, times 500 W, are the whole $27.

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

Dehumidifier cost per day and per summer in Wyoming at 1 to 12 hours a day, at the state average rate and its largest utilities' EIA-861 prices
Hours per day Wyoming avg 14.36¢ PacifiCorp 13.4¢ Cheyenne Light Fuel & 17.0¢ Adjustment 2024 15.3¢
1 h $0.07 / $7 $0.07 / $6 $0.09 / $8 $0.08 / $7
2 h $0.14 / $13 $0.13 / $12 $0.17 / $16 $0.15 / $14
4 h $0.29 / $26 $0.27 / $25 $0.34 / $31 $0.31 / $28
6 h $0.43 / $40 $0.40 / $37 $0.51 / $47 $0.46 / $42
8 h $0.57 / $53 $0.54 / $49 $0.68 / $63 $0.61 / $56
12 h $0.86 / $79 $0.80 / $74 $1.02 / $94 $0.92 / $84

What Wyoming’s utilities charge for it

Wyoming'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 4.2 h/day
PacifiCorp 118,130 13.4¢ $0.07 $26
Cheyenne Light Fuel & Power 39,954 17.0¢ $0.09 $33
Adjustment 2024 39,894 15.3¢ $0.08 $29

What the numbers say about dehumidifier in Wyoming

Wyoming logged 332 population-weighted cooling degree-days over June–August (NOAA CPC state series), 35% of the CONUS figure of 958, which is why this page runs dehumidifier 4.2 hours a day against the national 12.0 — 7.8 hours less. At Wyoming’s July 2026 rate of 14.36¢/kWh that makes it the 19th most expensive of the 20 cold states for dehumidifier: $27 for the 92-day summer, against Montana’s $21 and Alaska’s $103. PacifiCorp, Wyoming’s largest utility with 118,130 residential customers, averages 13.4¢ — $26 for the same hours — while Adjustment 2024 at 15.3¢ comes to $29, a $4 spread on identical use. Wyoming’s July 2026 rate of 14.36¢ sets the $0.07 per hour; its winter average of 13.55¢ is 0.81¢ 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 Wyoming?

$0.07 an hour for a 500 W unit at Wyoming’s July 2026 average of 14.36¢/kWh (500 ÷ 1,000 × 0.1436); at PacifiCorp’s 13.4¢ it is $0.07.

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

About $27: 500 W × 4.2 hours a day × 92 days (June–August) × 14.36¢. The hours are the national 12.0 h/day scaled by NOAA CPC state population-weighted CDD, June–August 2026 (332 against the CONUS 958); enter your own hours above for your own figure.

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

Wyoming is the 19th most expensive of the 20 cold states on this site at $27 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 Wyoming: 500 W ÷ 1,000 × 0.1436 $/kWh = $0.07 per hour; hours per day = 12.0 × (332 ÷ 958) = 4.2; 500 ÷ 1,000 × 4.2 × 92 × 0.1436 = $27 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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