A. O. Smith HPTA-50 2 Running Cost (Electric Water Heater)
What the A. O. Smith HPTA-50 2 costs to run
The A. O. Smith HPTA-50 2 is certified by ENERGY STAR at 883 kWh a year, cheaper than most models in its category to run among electric water heaters currently certified.
The $166 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
A. O. Smith HPTA-50 2 against the category
That's 20.1% below the electric water heater category average of 1,105 kWh/yr, and ranks 128 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 $42/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
American HPA10250H045DV 2 ($166/yr, 883 kWh/yr) costs a little more to run than the A. O. Smith HPTA-50 2. A. O. Smith HPA10-50H45DV 2 ($166/yr, 883 kWh/yr) costs a little less.
Within the A. O. Smith lineup
A. O. Smith makes 61 ENERGY STAR certified electric water heaters; this one ranks 6 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.
Cost over its typical lifespan
11 years is NAHB's typical service life for this category; at $166/year, the A. O. Smith HPTA-50 2 adds up to about $1,826 in electricity over that span.
Is it worth replacing?
The A. O. Smith HPTA-50 2 is already efficient for its category at $166/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
Whether or not the A. O. Smith HPTA-50 2 ever needs replacing, a repair is the more common failure for a electric water heater, one a protection plan budgets for ahead of time.
Sourcing
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. 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.