Ruud PROUH80 T2 CD400-SO Running Cost (Electric Water…
Running cost for the Ruud PROUH80 T2 CD400-SO
The Ruud PROUH80 T2 CD400-SO is certified by ENERGY STAR at 1,213 kWh a year, more expensive than most models in its category to run among electric water heaters currently certified.
That $228 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
Efficient, or not, for a electric water heater
The category average is 1,105 kWh/yr; this model runs 9.8% above it, ranking 346 of 596 electric water heaters tracked here for running cost. That average is drawn from all 596 electric water heaters ENERGY STAR currently certifies, not an outside number, a $20/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the Ruud PROUH80 T2 CD400-SO: Ruud PROUH80 T2 CD400-30 ($228/yr, 1,213 kWh/yr), then Ruud PROUH80 T2 RU400-30 ($228/yr, 1,213 kWh/yr).
Same brand, different models
Ranked 43 of Ruud's 51 certified electric water heaters, this sits between the PROUH40 T2 CD400-15 ($121/yr, the brand's cheapest) and the PROUH80 T0 RU120-MSO ($264/yr, its priciest).
Ruud PROUH80 T2 CD400-SO over 11 years
Over the 11-year service life NAHB reports for this category, running the Ruud PROUH80 T2 CD400-SO costs roughly $2,508 in electricity, separate from the purchase price.
Shopping for a new one
At $228/year, this is on the expensive side for a electric water heater; the cheapest certified model in this category runs about $121/year, worth knowing before buying either the Ruud PROUH80 T2 CD400-SO or its replacement.
Compare current ENERGY STAR certified electric water heaters before buying.
If you're keeping it
The Ruud PROUH80 T2 CD400-SO already costs $228/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
Where this number comes from
The full Electric Water Heater category page shows all 596 electric water heaters ranked by cost; the state-rate guide covers the half of this number that isn't the appliance. The 1,213 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.