A. O. Smith HPACO-45C 1+AXST-80CTTP 1 Running Cost…
Running cost for the A. O. Smith HPACO-45C 1+AXST-80CTTP 1
ENERGY STAR certifies the A. O. Smith HPACO-45C 1+AXST-80CTTP 1 at 1,306 kWh/yr, more expensive than most models in its category to run for its category.
That $246 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 18.2% above it, ranking 474 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 $38/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 A. O. Smith HPACO-45C 1+AXST-80CTTP 1: A. O. Smith HPACO-45C 1+AXST-80C 1 ($246/yr, 1,306 kWh/yr), then American MHPCO-45 1+MXST-80 1 ($246/yr, 1,306 kWh/yr).
Same brand, different models
Ranked 41 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 $246/year, the A. O. Smith HPACO-45C 1+AXST-80CTTP 1 adds up to about $2,701 in electricity over that span.
Shopping for a new one
At $246/year, this is on the expensive side for a electric water heater; the cheapest certified model in this category runs about $121/year, worth knowing before buying either the A. O. Smith HPACO-45C 1+AXST-80CTTP 1 or its replacement.
Compare current ENERGY STAR certified electric water heaters before buying.
If you're keeping it
The A. O. Smith HPACO-45C 1+AXST-80CTTP 1 already costs $246/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
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. Ranked 474 of 596, the A. O. Smith HPACO-45C 1+AXST-80CTTP 1 sits in the middle of the electric water heater category, see the guide to why your state changes this number for the other half of the math.