Running cost for the Ruud CPROPH40 T2 CD375-30
At 1,213 kWh/yr, the Ruud CPROPH40 T2 CD375-30's ENERGY STAR certification puts it more expensive than most models in its category to run against every other certified electric water heater.
That $228 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
The category average is 1,105 kWh/yr; this model runs 9.8% above it, ranking 339 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 $20/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 CPROPH40 T2 CD375-30: Richmond 10E80-HP5US30 ($228/yr, 1,213 kWh/yr), then Ruud CPROPH40 T2 CD375-SO ($228/yr, 1,213 kWh/yr).
Same brand, different models
Ranked 36 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).
Ruud CPROPH40 T2 CD375-30 over 11 years
11 years is NAHB's typical service life for this category; at $228/year, the Ruud CPROPH40 T2 CD375-30 adds up to about $2,508 in electricity over that span.
Is it worth replacing?
Running above the category average, $228/year is exactly the kind of number that makes a newer, more efficient model pay for itself faster.
See what else is certified in this category before you decide.
If you're keeping it
A electric water heater like the Ruud CPROPH40 T2 CD375-30 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
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. The 1,213 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.