John Wood JWHPCO-45 1**+JWXST-50S 1**: running cost
ENERGY STAR certifies the John Wood JWHPCO-45 1**+JWXST-50S 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.
Efficient, or not, for a electric water heater
Against the category average of 1,105 kWh/yr, this model uses 16.5% less, ranking 233 of 596 electric water heaters tracked here for running cost. That average is drawn from all 596 electric water heaters ENERGY STAR currently certifies, not an outside number, a $34/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the John Wood JWHPCO-45 1**+JWXST-50S 1**: GSW WATER HEATERS GTHPCO-45 1**+GTXST-50TTTP 1** ($174/yr, 923 kWh/yr), then John Wood JWHPCO-45 1**+JWXST-50STTP 1** ($174/yr, 923 kWh/yr).
Comparing John Wood's own models
Ranked 2 of John Wood's 9 certified electric water heaters, this sits between the JWHPCO-45 1**+JWXST-50LBTTP 1* ($172/yr, the brand's cheapest) and the JWHPCO-45 1**+JWXST-66TTP 1** ($252/yr, its priciest).
Cost over its typical lifespan
Over the 11-year service life NAHB reports for this category, running the John Wood JWHPCO-45 1**+JWXST-50S 1** costs roughly $1,909 in electricity, separate from the purchase price.
Weighing a replacement
Efficient as certified electric water heaters go, $174/year is a reasonable baseline if you're comparing what else is on the market.
See what else is certified in this category before you decide.
If you're keeping it
A electric water heater like the John Wood JWHPCO-45 1**+JWXST-50S 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.
Where this number comes from
Nothing here is estimated from a nameplate wattage; the 923 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 233 of 596, the John Wood JWHPCO-45 1**+JWXST-50S 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.