What the Giant GTHPCO-45 1**+GTXST-50TTTP 1** costs to run
At 923 kWh/yr, the Giant GTHPCO-45 1**+GTXST-50TTTP 1**'s ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified electric water heater.
The $174 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Giant GTHPCO-45 1**+GTXST-50TTTP 1** against the category
That's 16.5% below the electric water heater category average of 1,105 kWh/yr, and ranks 224 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
GSW WATER HEATERS GHPCO-45 1**+GXST-50S 1* ($174/yr, 923 kWh/yr) costs a little more to run than the Giant GTHPCO-45 1**+GTXST-50TTTP 1**. Giant GTHPCO-45 1**+GTXST-50T 1** ($174/yr, 923 kWh/yr) costs a little less.
Same brand, different models
Giant makes 13 ENERGY STAR certified electric water heaters; this one ranks 9 of 13 for running cost, between the brand's cheapest, the GTHPCO-45 1**+GTXST-50LBTTP 1* at $172/yr, and its priciest, the GTHPCO-45 1**+GTXST-66TTP 1** at $252/yr.
What this adds up to over time
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-50TTTP 1** that long and it costs about $1,909 in electricity, on top of whatever it cost to buy.
Weighing a replacement
The Giant GTHPCO-45 1**+GTXST-50TTTP 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.
Compare current ENERGY STAR certified electric water heaters before buying.
Protecting what you have
A electric water heater like the Giant GTHPCO-45 1**+GTXST-50TTTP 1** is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
Sourcing
At rank 224 of 596 for running cost, see the electric water heater category page for the rest of the field, or the guide to how much your state matters. The 923 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.