Rheem PROPH65 T0 RH120-MSO Running Cost (Electric Water…
What the Rheem PROPH65 T0 RH120-MSO costs to run
ENERGY STAR certifies the Rheem PROPH65 T0 RH120-MSO at 971 kWh/yr, cheaper than most models in its category to run for its category.
That $183 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 12.1% less, ranking 263 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 $25/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 PROPH65 T0 RH120-MSO: Rheem PROPH65 T0 RH120-M ($183/yr, 971 kWh/yr), then Rheem XE65T10HM00U0 ($183/yr, 971 kWh/yr).
Same brand, different models
Ranked 43 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).
What this adds up to over time
Over the 11-year service life NAHB reports for this category, running the Rheem PROPH65 T0 RH120-MSO costs roughly $2,008 in electricity, separate from the purchase price.
Shopping for a new one
Efficient as certified electric water heaters go, $183/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
A electric water heater like the Rheem PROPH65 T0 RH120-MSO is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
Where this number comes from
Nothing here is estimated from a nameplate wattage; the 971 kWh/yr is ENERGY STAR's own certified figure for this model. At rank 263 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.