What a hot tub heater costs to run in Oregon

What a hot tub heater costs here

Across 8 plans priced in Oregon, a hot tub heater adds $232.96 to $394.56 a year — $19.41 to $32.88 a month. The median plan puts a hot tub heater at $349.80 a year.

Cheapest for a hot tub heater: Residential Time-Of-Use Service (Rate 7-TOU), Portland General Electric Co. Dearest: Residential Service (Rate 7), Portland General Electric Co.

Those 2,065 kWh are billed at 11.3¢–19.1¢, against a 18.7¢ whole-bill average on the median plan: they land in the last tier the household reaches, so the average rate understates them by up to 0.4¢ per kWh.

What Oregon homes use

EIA's 2020 residential survey found 2,065 kWh a year across 30 sampled homes that run one, 1.40× the national 1,479 kWh. The middle half spans 1,264 kWh to 2,787 kWh, so a hot tub heater varies by 1,523 kWh between one household and another.

Keeping the water hot across a year, which is most of what a hot tub costs. That average covers homes with an electrically heated hot tub — 9% of homes here.

That makes a hot tub heater about 19% of the electricity an Oregon home uses. The remaining 9,068 kWh is what a hot tub heater is billed on top of, and on a tiered or time-of-use plan that is what sets the rate it meets.

Light and heavy use of a hot tub heater

A household in the lighter quarter runs a hot tub heater for 1,264 kWh a year and pays $142.62 on the cheapest plan. One in the heavier quarter runs it for 2,787 kWh and pays $314.46 — $171.84 more for a hot tub heater on the same tariff.

Limits

A 2020 survey average for Oregon, not a measurement of any one home, priced against the 8 Oregon tariffs WattClear has ingested — not every plan sold there.