A. O. Smith HPA10-40H45DV 2 Running Cost (Electric Water…
A. O. Smith HPA10-40H45DV 2: running cost
The A. O. Smith HPA10-40H45DV 2 is certified by ENERGY STAR at 902 kWh a year, cheaper than most models in its category to run among electric water heaters currently certified.
That $170 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 A. O. Smith HPA10-40H45DV 2 compares to other electric water heaters
Against the category average of 1,105 kWh/yr, this model uses 18.4% less, ranking 157 of 596 electric water heaters tracked here for running cost. 596 certified electric water heaters, one average, about $38/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the A. O. Smith HPA10-40H45DV 2 on that list: A. O. Smith HP1050H45DVCTA-1 ($170/yr, 902 kWh/yr) runs slightly less, while A. O. Smith HPTA-40 2 ($170/yr, 902 kWh/yr) runs slightly more.
Same brand, different models
Ranked 10 of A. O. Smith's 61 certified electric water heaters, this sits between the HPS10-50H45DV 2 ($156/yr, the brand's cheapest) and the HPV10-80H01DV 2 ($311/yr, its priciest).
Cost over its typical lifespan
Over the 11-year service life NAHB reports for this category, running the A. O. Smith HPA10-40H45DV 2 costs roughly $1,865 in electricity, separate from the purchase price.
Is it worth replacing?
Efficient as certified electric water heaters go, $170/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 $170/year just to run, a electric water heater is worth protecting against an unplanned repair bill on top of that.
How this was checked
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 902 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.