Ruud PROUH50 T2 CD400-SO: running cost
The Ruud PROUH50 T2 CD400-SO is certified by ENERGY STAR at 846 kWh a year, cheaper than most models in its category to run among electric water heaters currently certified.
The $159 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Where this ranks
That's 23.4% below the electric water heater category average of 1,105 kWh/yr, and ranks 61 of 596 certified electric water heaters for annual running cost, 1 being cheapest. Every one of the 596 currently-certified electric water heaters feeds that average, putting this model about $49/year under it. See how it's calculated on the how it is calculated page.
The closest alternatives by cost
Sorted by running cost among electric water heaters, one step cheaper is Ruud PROUH50 T2 CD400-30 ($159/yr, 846 kWh/yr), and one step pricier is Ruud PROUH50 T2 RU375-30 ($159/yr, 846 kWh/yr).
Comparing Ruud's own models
Ruud makes 51 ENERGY STAR certified electric water heaters; this one ranks 8 of 51 for running cost, between the brand's cheapest, the PROUH40 T2 CD400-15 at $121/yr, and its priciest, the PROUH80 T0 RU120-MSO at $264/yr.
Ruud PROUH50 T2 CD400-SO over 11 years
11 years is NAHB's typical service life for this category; at $159/year, the Ruud PROUH50 T2 CD400-SO adds up to about $1,750 in electricity over that span.
Is it worth replacing?
The Ruud PROUH50 T2 CD400-SO is already efficient for its category at $159/year. If you're shopping and comparing options, this is roughly what a well-chosen new electric water heater costs to run.
See what else is certified in this category before you decide.
Protecting what you have
The Ruud PROUH50 T2 CD400-SO 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.
The data behind this page
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. At rank 61 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.