Ruud PRO H50 T2 RU310UM Running Cost (Electric Water Heater)
What the Ruud PRO H50 T2 RU310UM costs to run
ENERGY STAR certifies the Ruud PRO H50 T2 RU310UM at 915 kWh/yr, cheaper than most models in its category to run for its category.
That $172 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 17.2% less, ranking 201 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 $36/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 PRO H50 T2 RU310UM: Ruud PRO H50 T2 RU310BM ($172/yr, 915 kWh/yr), then Ruud PROUH50 T2 RU350BM ($172/yr, 915 kWh/yr).
Within the Ruud lineup
Ranked 26 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
NAHB's Study of Life Expectancy of Home Components puts a typical electric water heater's service life at 11 years; run the Ruud PRO H50 T2 RU310UM that long and it costs about $1,892 in electricity, on top of whatever it cost to buy.
Weighing a replacement
Efficient as certified electric water heaters go, $172/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 $172/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. 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.