Rheem PROPH50 T0 RH120-M Running Cost (Electric Water…
What the Rheem PROPH50 T0 RH120-M costs to run
At 1,072 kWh/yr, the Rheem PROPH50 T0 RH120-M's ENERGY STAR certification puts it about average for its category to run against every other certified electric water heater.
That $202 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.
How the Rheem PROPH50 T0 RH120-M compares to other electric water heaters
Against the category average of 1,105 kWh/yr, this model uses 3% less, ranking 279 of 596 electric water heaters tracked here for running cost. 596 certified electric water heaters, one average, about $6/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Rheem PROPH50 T0 RH120-M on that list: Friedrich PROH50 T0 FD120-MSO ($202/yr, 1,072 kWh/yr) runs slightly less, while Rheem PROPH50 T0 RH120-MSO ($202/yr, 1,072 kWh/yr) runs slightly more.
Same brand, different models
Ranked 46 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).
Rheem PROPH50 T0 RH120-M over 11 years
NAHB's Study of Life Expectancy of Home Components puts a typical electric water heater's service life at 11 years; run the Rheem PROPH50 T0 RH120-M that long and it costs about $2,217 in electricity, on top of whatever it cost to buy.
Shopping for a new one
Efficient as certified electric water heaters go, $202/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified electric water heaters before buying.
If you're keeping it
$202/year to run is the predictable cost of the Rheem PROPH50 T0 RH120-M; a protection plan covers the unpredictable one, a repair bill.
How this was checked
Nothing here is estimated from a nameplate wattage; the 1,072 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 279 of 596, the Rheem PROPH50 T0 RH120-M sits in the middle of the electric water heater category, see the guide to why your state changes this number for the other half of the math.