What a dehumidifier costs to run in North Carolina
North Carolina homes use 1,480 kWh a year on a dehumidifier. Priced on top of the rest of the bill, that costs $129.13 to $215.60 a year across 33 published North Carolina plans — a $86.47 gap. Checked September 2, 2026.
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Cheapest 25 of 31 priced plans, average
| Plan | Per year | vs cheapest | Effective |
|---|---|---|---|
| Residential Service All Energy Time-of-Use (R-TOUE-38) Single Phase✓ cheapesttime-of-use | $129.13 | — | 9.7¢ |
| Residential Service All Energy Time-of-Use (R-TOUE-38) Three Phasetime-of-use | $129.13 | — | 10.5¢ |
| RT (Residential Service Time of Use)time-of-use · demand charge | $142.88 | +$13.75 | 11.0¢ |
| Residential Time Of Use Schedule (R-TOUD) - Three Phasetime-of-use · demand charge | $144.41 | +$15.28 | 12.1¢ |
| RETC (Residential Service All-Electric Time of Use with Critical Peak Pricing))time-of-use · needs an all-electric home | $156.63 | +$27.50 | 11.9¢ |
| Residential Service Time-of-Use (R-TOUD-55) Three Phasetime-of-use · demand charge | $162.52 | +$33.39 | 13.3¢ |
| ES (Residential Service Energy Star, All-Electric)time-of-use · tiered · needs an all-electric home | $163.33 | +$34.20 | 12.9¢ |
| Residential Service Time-of-Use (R-TOUD-55) Single Phasetime-of-use · demand charge | $164.68 | +$35.55 | 12.5¢ |
| RSTC (Residential Service Time of Use with Critical Peak Pricing)time-of-use | $166.23 | +$37.10 | 12.6¢ |
| RE (Residential Electric Water Heating and Space Conditioning)time-of-use · tiered · needs electric heating | $171.53 | +$42.40 | 13.5¢ |
| Residential Service Energy Star All-Electric EStiered · needs an all-electric home | $176.88 | +$47.75 | 12.9¢ |
| ES (Residential Service Energy Star, Standard)flat rate · needs qualifying appliances | $179.64 | +$50.51 | 13.5¢ |
| Residential Electric Water Heating and Space Conditioning - REtiered · needs electric heating | $187.08 | +$57.95 | 13.6¢ |
| RS (Residential Service)flat rate | $188.88 | +$59.75 | 14.1¢ |
| Residential Service Energy Star Standard EStiered · needs qualifying appliances | $191.64 | +$62.51 | 13.9¢ |
| Residential Time of Use with Critical Peak Pricing (R-TOU-CPP) Single Phasetime-of-use | $197.96 | +$68.83 | 14.9¢ |
| Residential Time of Use with Critical Peak Pricing (R-TOU-CPP) Three Phasetime-of-use | $197.96 | +$68.83 | 15.8¢ |
| Residential Time of Use EV(R-TOU-EV) Single Phasetime-of-use · needs an electric vehicle | $200.64 | +$71.51 | 15.1¢ |
| Residential Time of Use EV(R-TOU-EV) Three Phasetime-of-use · needs an electric vehicle | $200.64 | +$71.51 | 15.9¢ |
| Residential Service RB; Closed Ratetiered · closed to new customers | $202.08 | +$72.95 | 14.7¢ |
| Residential - RS (SC)tiered | $202.56 | +$73.43 | 14.6¢ |
| Residential Service Time-of-Use with Critical Peak Pricing(R-TOU-CPP) Single Phasetime-of-use | $205.98 | +$76.85 | 15.3¢ |
| Residential Service Time-of-Use with Critical Peak Pricing(R-TOU-CPP) Three Phasetime-of-use | $205.98 | +$76.85 | 16.2¢ |
| Residential Service - Three Phasetime-of-use · tiered | $208.00 | +$78.87 | 16.9¢ |
| Residential Time of Use (R-TOU) Three Phasetime-of-use | $208.17 | +$79.04 | 16.4¢ |
6 further schedules are published and priced but not listed here — mostly regional and seasonal variants of the plans above. The dearest of them costs $215.60 a year at this usage.
Cost across usage levels
The cheapest plan at each consumption level, showing whether the ranking holds as usage changes.
- Lighter use — cheapest $36.14 (Residential Service All Energy Time-of-Use (R-TOUE-38) Single Phase), dearest $60.31, a $24.17 spread
- Average — cheapest $129.13 (Residential Service All Energy Time-of-Use (R-TOUE-38) Single Phase), dearest $215.60, a $86.47 spread
- Heavier use — cheapest $190.08 (Residential Service All Energy Time-of-Use (R-TOUE-38) Single Phase), dearest $317.33, a $127.25 spread
What a dehumidifier costs here
Across 31 plans priced in North Carolina, a dehumidifier adds $129.13 to $215.60 a year — $10.76 to $17.97 a month. The median plan puts a dehumidifier at $202.56 a year.
Cheapest for a dehumidifier: Residential Service All Energy Time-of-Use (R-TOUE-38) Single Phase, Progress Energy Carolinas Inc (South Carolina). Dearest: Residential Service (RES-55) Three Phase, Progress Energy Carolinas Inc (South Carolina).
Those 1,480 kWh are billed at 8.7¢–14.6¢, against a 15.3¢ whole-bill average on the median plan, so on these plans the two rates are close.
What North Carolina homes use
EIA's 2020 residential survey found 1,480 kWh a year across 64 sampled homes that run one, 1.48× the national 999 kWh. The middle half spans 415 kWh to 2,178 kWh, so a dehumidifier varies by 1,764 kWh between one household and another.
Portable and whole-home dehumidifiers. That average covers homes with a dehumidifier — 13% of homes here.
That makes a dehumidifier about 12% of the electricity a North Carolina home uses. The remaining 11,018 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.
By provider
On each North Carolina provider's cheapest plan: Progress Energy Carolinas Inc (South Carolina), $129.13; Duke Energy Carolinas, LLC, $142.88; Progress Energy Carolinas Inc, $144.41; Duke Energy Carolinas, LLC (South Carolina), $202.56.
Duke Energy Carolinas, LLC (South Carolina) charges $73.43 a year more than Progress Energy Carolinas Inc (South Carolina) on Residential Service All Energy Time-of-Use (R-TOUE-38) Single Phase for the same 1,480 kWh.
Light and heavy use of a dehumidifier
A household in the lighter quarter runs a dehumidifier for 415 kWh a year and pays $36.14 on the cheapest plan. One in the heavier quarter runs it for 2,178 kWh and pays $190.08 — $153.94 more for a dehumidifier on the same tariff.
Limits
A 2020 survey average for North Carolina, not a measurement of any one home, priced against the 33 North Carolina 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 35.2271, -80.8431.