Rheem CPROPH50 T2 RH400-30 Running Cost (Electric Water…
Rheem CPROPH50 T2 RH400-30: running cost
ENERGY STAR certifies the Rheem CPROPH50 T2 RH400-30 at 846 kWh/yr, cheaper than most models in its category to run for its category.
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 39 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 Rheem CPROPH50 T2 RH400-30: Rheem CPROPH50 T2 RH375-SO ($159/yr, 846 kWh/yr), then Rheem CPROPH50 T2 RH400-SO ($159/yr, 846 kWh/yr).
Comparing Rheem's own models
Ranked 6 of Rheem's 77 certified electric water heaters, this sits between the PROPH40 T0 RH120-M ($147/yr, the brand's cheapest) and the XE80T10HMS00U0 ($264/yr, its priciest).
Cost over its typical lifespan
11 years is NAHB's typical service life for this category; at $159/year, the Rheem CPROPH50 T2 RH400-30 adds up to about $1,750 in electricity over that span.
Is it worth replacing?
Efficient as certified electric water heaters go, $159/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
The Rheem CPROPH50 T2 RH400-30 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. At rank 39 of 596 for running cost, see the electric water heater category page for the rest of the field, or the guide to how much your state matters.