Ruud PROUH50 T2 RU375-SO Running Cost (Electric Water…
Running cost for the Ruud PROUH50 T2 RU375-SO
At 846 kWh/yr, the Ruud PROUH50 T2 RU375-SO's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified electric water heater.
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 63 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 RU375-SO: Ruud PROUH50 T2 RU375-30 ($159/yr, 846 kWh/yr), then Ruud PROUH50 T2 RU400-30 ($159/yr, 846 kWh/yr).
Same brand, different models
Ranked 10 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 RU375-SO adds up to about $1,750 in electricity over that span.
Shopping for a new one
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
At $159/year just to run, a electric water heater is worth protecting against an unplanned repair bill on top of that.
Where this number comes from
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 63 of 596, the Ruud PROUH50 T2 RU375-SO 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.