John Wood JWHPCO-45 1**+JWXST-50LBTTP 1*: running cost
At 915 kWh/yr, the John Wood JWHPCO-45 1**+JWXST-50LBTTP 1*'s ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified electric water heater.
The $172 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
John Wood JWHPCO-45 1**+JWXST-50LBTTP 1* against the category
That's 17.2% below the electric water heater category average of 1,105 kWh/yr, and ranks 189 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 $36/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
Lennox WHHP040T45MD240S**** ($172/yr, 915 kWh/yr) costs a little more to run than the John Wood JWHPCO-45 1**+JWXST-50LBTTP 1*. GSW WATER HEATERS GHPCO-45 1**+GXST-50LBTTP 1** ($172/yr, 915 kWh/yr) costs a little less.
Within the John Wood lineup
John Wood sells 9 certified electric water heaters; this one runs cheapest of them, $80/year under the JWHPCO-45 1**+JWXST-66TTP 1**, its priciest.
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 John Wood JWHPCO-45 1**+JWXST-50LBTTP 1* that long and it costs about $1,892 in electricity, on top of whatever it cost to buy.
Is it worth replacing?
The John Wood JWHPCO-45 1**+JWXST-50LBTTP 1* is already efficient for its category at $172/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
$172/year to run is the predictable cost of the John Wood JWHPCO-45 1**+JWXST-50LBTTP 1*; a protection plan covers the unpredictable one, a repair bill.
Sourcing
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.