What the Giant GHPCO-45 1**+GXST-50TTTP 1** costs to run
The Giant GHPCO-45 1**+GXST-50TTTP 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.
Giant GHPCO-45 1**+GXST-50TTTP 1** against the category
That's 16.5% below the electric water heater category average of 1,105 kWh/yr, and ranks 218 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
Giant GTHPCO-45 1**+GTXST-50S 1* ($174/yr, 923 kWh/yr) costs a little more to run than the Giant GHPCO-45 1**+GXST-50TTTP 1**. Giant GHPCO-45 1**+GXST-50T 1** ($174/yr, 923 kWh/yr) costs a little less.
Comparing Giant's own models
Giant makes 13 ENERGY STAR certified electric water heaters; this one ranks 3 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.
Giant GHPCO-45 1**+GXST-50TTTP 1** over 11 years
Over the 11-year service life NAHB reports for this category, running the Giant GHPCO-45 1**+GXST-50TTTP 1** costs roughly $1,909 in electricity, separate from the purchase price.
Shopping for a new one
The Giant GHPCO-45 1**+GXST-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.
See what else is certified in this category before you decide.
Protecting what you have
A electric water heater like the Giant GHPCO-45 1**+GXST-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
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 218 of 596, the Giant GHPCO-45 1**+GXST-50TTTP 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.