What a hot tub pump costs to run in Washington
Washington homes use 643 kWh a year on a hot tub pump. Priced on top of the rest of the bill, that costs $33.72 to $98.04 a year across 22 published Washington plans — a $64.32 gap. Checked September 2, 2026.
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Every priced plan, average
| Plan | Per year | vs cheapest | Effective |
|---|---|---|---|
| Schedule RLC - Residential Low-Income: Citytime-of-use · tiered · low-income rate | $33.25 | −$0.47 | 4.4¢ |
| Schedule RLS-Residential Low-Income: Suburbantime-of-use · tiered · low-income rate | $33.25 | −$0.47 | 4.4¢ |
| Schedule RES-Residential Elderly/Disabled: Suburbantime-of-use · tiered · elderly or disabled customers only | $33.25 | −$0.47 | 4.4¢ |
| Schedule REC - Residential Elderly/Disabled: Citytime-of-use · tiered · elderly or disabled customers only | $33.31 | −$0.41 | 4.4¢ |
| RESIDENTIAL - SCHEDULE 35✓ cheapesttiered | $33.72 | — | 5.9¢ |
| Schedule RLB-Residential Low Income: Burientime-of-use · tiered · low-income rate | $34.92 | +$1.20 | 4.5¢ |
| Schedule REB-Residential Elderly/Disabled: Burientime-of-use · tiered · elderly or disabled customers only | $34.92 | +$1.20 | 4.5¢ |
| Schedule RLT-Residential Low-Income: Tukwilatime-of-use · tiered · low-income rate | $35.40 | +$1.68 | 4.6¢ |
| Schedule RET-Residential Elderly/Disabled: Tukwilatime-of-use · tiered · elderly or disabled customers only | $35.40 | +$1.68 | 4.6¢ |
| Schedule RLH- Residential Low-Income: Shorelinetime-of-use · tiered · low-income rate | $35.52 | +$1.80 | 4.6¢ |
| Schedule REH- Residential Elderly/Disabled: Shorelinetime-of-use · tiered · elderly or disabled customers only | $35.52 | +$1.80 | 4.6¢ |
| Schedule RLE-Residential Low Income: SeaTactime-of-use · tiered · low-income rate | $35.52 | +$1.80 | 4.6¢ |
| Schedule REE-Residential Elderly/Disabled: SeaTactime-of-use · tiered · elderly or disabled customers only | $35.52 | +$1.80 | 4.6¢ |
| Schedule RSC - Residential: Seattleflat rate | $89.52 | +$55.80 | 15.3¢ |
| Schedule RSE-Residential: Rentonflat rate | $90.72 | +$57.00 | 15.5¢ |
| Schedule RSL-Residential: Normandy Parkflat rate | $96.48 | +$62.76 | 16.4¢ |
| Schedule RST-Residential: Tukwilaflat rate | $97.20 | +$63.48 | 16.6¢ |
| Schedule RSL-Residential: Lake Forest Parkflat rate | $98.04 | +$64.32 | 16.7¢ |
| Schedule RSE-Residential: SeaTacflat rate | $98.04 | +$64.32 | 16.7¢ |
| Schedule RSB-Residential: Burienflat rate | $98.04 | +$64.32 | 16.7¢ |
| Schedule RSH-Residential: Shorelineflat rate | $98.04 | +$64.32 | 16.7¢ |
| Schedule RSB-Residential: King Countyflat rate | $98.04 | +$64.32 | 16.7¢ |
Cost across usage levels
The cheapest plan at each consumption level, showing whether the ranking holds as usage changes.
- Lighter use — cheapest $12.36 (RESIDENTIAL - SCHEDULE 35), dearest $35.76, a $23.40 spread
- Average — cheapest $33.72 (RESIDENTIAL - SCHEDULE 35), dearest $98.04, a $64.32 spread
- Heavier use — cheapest $48.24 (RESIDENTIAL - SCHEDULE 35), dearest $140.16, a $91.92 spread
What a hot tub pump costs here
Across 22 plans priced in Washington, a hot tub pump adds $33.72 to $98.04 a year — $2.81 to $8.17 a month. The median plan puts a hot tub pump at $97.62 a year.
Cheapest for a hot tub pump: RESIDENTIAL - SCHEDULE 35, Modern Electric Water Company. Dearest: Schedule RSB-Residential: King County, City of Seattle, Washington (Utility Company).
Those 643 kWh are billed at 5.2¢–15.2¢, against a 16.6¢ whole-bill average on the median plan, so on these plans the two rates are close.
What Washington homes use
EIA's 2020 residential survey found 643 kWh a year across 37 sampled homes that run one, 1.33× the national 484 kWh. The middle half spans 234 kWh to 920 kWh, so a hot tub pump varies by 685 kWh between one household and another.
The circulation pump and jets, separately from the water heater. That average covers homes with a hot tub — 8% of homes here.
That makes a hot tub pump about 6% of the electricity a Washington home uses. The remaining 10,347 kWh is what a hot tub pump 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 Washington provider's cheapest plan: Modern Electric Water Company, $33.72; City of Seattle, Washington (Utility Company), $89.52.
City of Seattle, Washington (Utility Company) charges $55.80 a year more than Modern Electric Water Company on RESIDENTIAL - SCHEDULE 35 for the same 643 kWh.
Light and heavy use of a hot tub pump
A household in the lighter quarter runs a hot tub pump for 234 kWh a year and pays $12.36 on the cheapest plan. One in the heavier quarter runs it for 920 kWh and pays $48.24 — $35.88 more for a hot tub pump on the same tariff.
Limits
A 2020 survey average for Washington, not a measurement of any one home, priced against the 22 Washington 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 47.6588, -117.4260.