GSW WATER HEATERS GHPCO-45 1**+GXST-66 1**: running cost
ENERGY STAR certifies the GSW WATER HEATERS GHPCO-45 1**+GXST-66 1** at 1,341 kWh/yr, more expensive than most models in its category to run for its category.
The $252 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
GSW WATER HEATERS GHPCO-45 1**+GXST-66 1** against the category
That's 21.4% above the electric water heater category average of 1,105 kWh/yr, and ranks 501 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 $44/year above that average at the national rate. See the methodology page.
What sits beside it in the ranking
GSW WATER HEATERS GHPCO-45 1**+GXST-66TTP 1** ($252/yr, 1,341 kWh/yr) costs a little more to run than the GSW WATER HEATERS GHPCO-45 1**+GXST-66 1**. Giant GTHPCO-45 1**+GTXST-66TTP 1** ($252/yr, 1,341 kWh/yr) costs a little less.
Within the GSW WATER HEATERS lineup
GSW WATER HEATERS makes 13 ENERGY STAR certified electric water heaters; this one ranks 12 of 13 for running cost, between the brand's cheapest, the GHPCO-45 1**+GXST-50LBTTP 1** at $172/yr, and its priciest, the GHPCO-45 1**+GXST-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 GSW WATER HEATERS GHPCO-45 1**+GXST-66 1** that long and it costs about $2,773 in electricity, on top of whatever it cost to buy.
Shopping for a new one
At $252/year, this is on the expensive side for a electric water heater; the cheapest certified model in this category runs about $121/year, worth knowing before buying either the GSW WATER HEATERS GHPCO-45 1**+GXST-66 1** or its replacement.
Worth comparing a few current certified models before deciding.
Protecting what you have
At $252/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 1,341 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.