Running cost for the RELIANCE WATER HEATERS RHPCO-45 1**+RXST-50SG 1**
ENERGY STAR certifies the RELIANCE WATER HEATERS RHPCO-45 1**+RXST-50SG 1** at 923 kWh/yr, cheaper than most models in its category to run for its category.
That $174 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-50SG 1** compares to other electric water heaters
Against the category average of 1,105 kWh/yr, this model uses 16.5% less, ranking 242 of 596 electric water heaters tracked here for running cost. 596 certified electric water heaters, one average, about $34/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-50SG 1** on that list: RELIANCE WATER HEATERS RHPCO-45 1**+RXST-50S 1** ($174/yr, 923 kWh/yr) runs slightly less, while RELIANCE WATER HEATERS RHPCO-45 1**+RXST-50T 1** ($174/yr, 923 kWh/yr) runs slightly more.
Comparing RELIANCE WATER HEATERS's own models
Ranked 8 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).
What this adds up to over time
11 years is NAHB's typical service life for this category; at $174/year, the RELIANCE WATER HEATERS RHPCO-45 1**+RXST-50SG 1** adds up to about $1,909 in electricity over that span.
Is it worth replacing?
Efficient as certified electric water heaters go, $174/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
The RELIANCE WATER HEATERS RHPCO-45 1**+RXST-50SG 1** already costs $174/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
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. 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.