Running cost for the Giant GTHPCO-45 1**+GTXST-80TTP 1**
ENERGY STAR certifies the Giant GTHPCO-45 1**+GTXST-80TTP 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.
How the Giant GTHPCO-45 1**+GTXST-80TTP 1** compares to other electric water heaters
The category average is 1,105 kWh/yr; this model runs 18.2% above it, ranking 478 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 Giant GTHPCO-45 1**+GTXST-80TTP 1** on that list: Giant GTHPCO-45 1**+GTXST-80 1** ($246/yr, 1,306 kWh/yr) runs slightly less, while GSW WATER HEATERS GHPCO-45 1**+GXST-80 1** ($246/yr, 1,306 kWh/yr) runs slightly more.
Within the Giant lineup
Ranked 11 of Giant's 13 certified electric water heaters, this sits between the GTHPCO-45 1**+GTXST-50LBTTP 1* ($172/yr, the brand's cheapest) and the GTHPCO-45 1**+GTXST-66TTP 1** ($252/yr, its priciest).
Giant GTHPCO-45 1**+GTXST-80TTP 1** over 11 years
NAHB's Study of Life Expectancy of Home Components puts a typical electric water heater's service life at 11 years; run the Giant GTHPCO-45 1**+GTXST-80TTP 1** that long and it costs about $2,701 in electricity, on top of whatever it cost to buy.
Is it worth replacing?
Running above the category average, $246/year is exactly the kind of number that makes a newer, more efficient model pay for itself faster.
Compare current ENERGY STAR certified electric water heaters before buying.
If you're keeping it
At $246/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 1,306 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.