A. O. Smith HPACO-45 1+AXST-66TTP 1 Running Cost (Electric…
A. O. Smith HPACO-45 1+AXST-66TTP 1: running cost
ENERGY STAR certifies the A. O. Smith HPACO-45 1+AXST-66TTP 1 at 1,341 kWh/yr, more expensive than most models in its category to run for its category.
That $252 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 HPACO-45 1+AXST-66TTP 1 compares to other electric water heaters
The category average is 1,105 kWh/yr; this model runs 21.4% above it, ranking 494 of 596 electric water heaters tracked here for running cost. 596 certified electric water heaters, one average, about $44/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the A. O. Smith HPACO-45 1+AXST-66TTP 1 on that list: A. O. Smith HPACO-45 1+AXST-66 1 ($252/yr, 1,341 kWh/yr) runs slightly less, while A. O. Smith HPACO-45C 1+AXST-66C 1 ($252/yr, 1,341 kWh/yr) runs slightly more.
Same brand, different models
Ranked 43 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).
What this adds up to over time
11 years is NAHB's typical service life for this category; at $252/year, the A. O. Smith HPACO-45 1+AXST-66TTP 1 adds up to about $2,773 in electricity over that span.
Shopping for a new one
Running above the category average, $252/year is exactly the kind of number that makes a newer, more efficient model pay for itself faster.
Worth comparing a few current certified models before deciding.
If you're keeping it
At $252/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 1,341 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.