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How Much to Run a Dehumidifier in Utah? $0.07/Hr, $50/Summer

Running dehumidifier in Utah costs about $0.07 an hour and roughly $50 for the summer — 500 W for 8.3 hours a day at 13.12¢/kWh.

$0.07per hour
$50per summer, 92 days
666cooling 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 Utah: watts ÷ 1,000 × hours × days × rate. Estimate, not a quote.
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Per hour
$0.07 at 13.12¢/kWh
Per summer
$50 (92 days)
Hours per day
8.3 (NOAA state cooling degree-days-scaled)
Degree-days used
666 (NOAA CPC state, population-weighted)
Wattage
500 W (typical 300–800)
Utah rate
13.12¢ (July 2026)
Rank of 20 cold states
13 (13th most expensive)

Why this number

Running dehumidifier in Utah costs about $0.07 an hour and roughly $50 for the summer — a 500 W unit for 8.3 hours a day over 92 days (June–August) at Utah’s July 2026 average of 13.12¢/kWh. The hours are the national 12.0 h/day baseline scaled by NOAA CPC state population-weighted CDD, June–August 2026 (666 vs the CONUS 958); your utility’s rate moves it (table below), and the calculator takes your own wattage, hours and rate.

Utah runs dehumidifier less than the national baseline in June–August — 8.3 hours a day on the NOAA state degree-day scaling used here, against 12.0 nationally — and pays 13.12¢/kWh for it. Those two numbers, times 500 W, are the whole $50.

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

Dehumidifier cost per day and per summer in Utah at 1 to 12 hours a day, at the state average rate and its largest utilities' EIA-861 prices
Hours per day Utah avg 13.12¢ PacifiCorp 12.5¢ Adjustment 2024 12.5¢ Provo City Corp 11.4¢
1 h $0.07 / $6 $0.06 / $6 $0.06 / $6 $0.06 / $5
2 h $0.13 / $12 $0.12 / $12 $0.12 / $12 $0.11 / $10
4 h $0.26 / $24 $0.25 / $23 $0.25 / $23 $0.23 / $21
6 h $0.39 / $36 $0.38 / $34 $0.38 / $34 $0.34 / $31
8 h $0.52 / $48 $0.50 / $46 $0.50 / $46 $0.46 / $42
12 h $0.79 / $72 $0.75 / $69 $0.75 / $69 $0.68 / $63

What Utah’s utilities charge for it

Utah'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 8.3 h/day
PacifiCorp 947,246 12.5¢ $0.06 $48
Adjustment 2024 97,407 12.5¢ $0.06 $48
Provo City Corp 35,299 11.4¢ $0.06 $44

What the numbers say about dehumidifier in Utah

Utah logged 666 population-weighted cooling degree-days over June–August (NOAA CPC state series), 70% of the CONUS figure of 958, which is why this page runs dehumidifier 8.3 hours a day against the national 12.0 — 3.7 hours less. At Utah’s July 2026 rate of 13.12¢/kWh that makes it the 13th most expensive of the 20 cold states for dehumidifier: $50 for the 92-day summer, against Montana’s $21 and Alaska’s $103. PacifiCorp, Utah’s largest utility with 947,246 residential customers, averages 12.5¢ — $48 for the same hours — while Provo City Corp at 11.4¢ comes to $44, a $4 spread on identical use. Utah’s July 2026 rate of 13.12¢ sets the $0.07 per hour; its winter average of 13.19¢ is 0.07¢ higher, 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 Utah?

$0.07 an hour for a 500 W unit at Utah’s July 2026 average of 13.12¢/kWh (500 ÷ 1,000 × 0.1312); at PacifiCorp’s 12.5¢ it is $0.06.

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

About $50: 500 W × 8.3 hours a day × 92 days (June–August) × 13.12¢. The hours are the national 12.0 h/day scaled by NOAA CPC state population-weighted CDD, June–August 2026 (666 against the CONUS 958); enter your own hours above for your own figure.

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

Utah is the 13th most expensive of the 20 cold states on this site at $50 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 Utah: 500 W ÷ 1,000 × 0.1312 $/kWh = $0.07 per hour; hours per day = 12.0 × (666 ÷ 958) = 8.3; 500 ÷ 1,000 × 8.3 × 92 × 0.1312 = $50 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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