Running cost for the A. O. Smith HPACO-45C 1**+AXST-50TC 1**
The A. O. Smith HPACO-45C 1**+AXST-50TC 1** is certified by ENERGY STAR at 923 kWh a year, cheaper than most models in its category to run among electric water heaters currently certified.
The $174 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
A. O. Smith HPACO-45C 1**+AXST-50TC 1** against the category
That's 16.5% below the electric water heater category average of 1,105 kWh/yr, and ranks 211 of 596 certified electric water heaters for annual running cost, 1 being cheapest. The category average comes from every electric water heater ENERGY STAR currently certifies (596 models), not an outside benchmark, about $34/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
A. O. Smith HPACO-45C 1**+AXST-50TCTTP 1** ($174/yr, 923 kWh/yr) costs a little more to run than the A. O. Smith HPACO-45C 1**+AXST-50TC 1**. A. O. Smith HPACO-45C 1**+AXST-50SCTTP 1** ($174/yr, 923 kWh/yr) costs a little less.
Comparing A. O. Smith's own models
A. O. Smith makes 61 ENERGY STAR certified electric water heaters; this one ranks 23 of 61 for running cost, between the brand's cheapest, the HPS10-50H45DV 2** at $156/yr, and its priciest, the HPV10-80H01DV 2** at $311/yr.
A. O. Smith HPACO-45C 1**+AXST-50TC 1** over 11 years
Over the 11-year service life NAHB reports for this category, running the A. O. Smith HPACO-45C 1**+AXST-50TC 1** costs roughly $1,909 in electricity, separate from the purchase price.
Shopping for a new one
The A. O. Smith HPACO-45C 1**+AXST-50TC 1** is already efficient for its category at $174/year. If you're shopping and comparing options, this is roughly what a well-chosen new electric water heater costs to run.
Worth comparing a few current certified models before deciding.
Protecting what you have
At $174/year just to run, a electric water heater is worth protecting against an unplanned repair bill on top of that.
Sourcing
Nothing here is estimated from a nameplate wattage; the 923 kWh/yr is ENERGY STAR's own certified figure for this model. 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.