What the RELIANCE WATER HEATERS RHPCO-45 1**+RXST-80G 1** costs to run
ENERGY STAR certifies the RELIANCE WATER HEATERS RHPCO-45 1**+RXST-80G 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 RELIANCE WATER HEATERS RHPCO-45 1**+RXST-80G 1** compares to other electric water heaters
The category average is 1,105 kWh/yr; this model runs 18.2% above it, ranking 486 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 RELIANCE WATER HEATERS RHPCO-45 1**+RXST-80G 1** on that list: RELIANCE WATER HEATERS RHPCO-45 1**+RXST-80 1** ($246/yr, 1,306 kWh/yr) runs slightly less, while State SHPCO-45 1**+SXST-80 1** ($246/yr, 1,306 kWh/yr) runs slightly more.
Same brand, different models
Ranked 17 of RELIANCE WATER HEATERS's 28 certified electric water heaters, this sits between the 10-50-DHPTS 2** ($156/yr, the brand's cheapest) and the 10-80-DHPTV 2** ($311/yr, its priciest).
Cost over its typical lifespan
NAHB's Study of Life Expectancy of Home Components puts a typical electric water heater's service life at 11 years; run the RELIANCE WATER HEATERS RHPCO-45 1**+RXST-80G 1** that long and it costs about $2,701 in electricity, on top of whatever it cost to buy.
Weighing a replacement
The RELIANCE WATER HEATERS RHPCO-45 1**+RXST-80G 1** runs above its category average. If the electric water heater you actually own is older still, likely well past ENERGY STAR's efficiency baseline when it was made, a current certified model could cost meaningfully less than this model's $246/year every year.
See what else is certified in this category before you decide.
If you're keeping it
The RELIANCE WATER HEATERS RHPCO-45 1**+RXST-80G 1** already costs $246/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
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.