Ruud PROUH50 T2 CD400-30 Running Cost (Electric Water…
Ruud PROUH50 T2 CD400-30: running cost
The Ruud PROUH50 T2 CD400-30 is certified by ENERGY STAR at 846 kWh a year, cheaper than most models in its category to run among electric water heaters currently certified.
That $159 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
Against the category average of 1,105 kWh/yr, this model uses 23.4% less, ranking 60 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 $49/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 PROUH50 T2 CD400-30: Ruud PROUH50 T2 CD400-15 ($159/yr, 846 kWh/yr), then Ruud PROUH50 T2 CD400-SO ($159/yr, 846 kWh/yr).
Within the Ruud lineup
Ranked 7 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).
What this adds up to over time
11 years is NAHB's typical service life for this category; at $159/year, the Ruud PROUH50 T2 CD400-30 adds up to about $1,750 in electricity over that span.
Weighing a replacement
Efficient as certified electric water heaters go, $159/year is a reasonable baseline if you're comparing what else is on the market.
See what else is certified in this category before you decide.
If you're keeping it
The Ruud PROUH50 T2 CD400-30 already costs $159/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
Nothing here is estimated from a nameplate wattage; the 846 kWh/yr is ENERGY STAR's own certified figure for this model. 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.