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Ruud PROUH50 T2 RU400-30 Running Cost (Electric Water…

Ruud PROUH50 T2 RU400-30: running cost

Cheaper than most models in its category to run
$159/year at 18.8¢/kWh, the 51-state average

ENERGY STAR certifies the Ruud PROUH50 T2 RU400-30 at 846 kWh/yr, cheaper than most models in its category to run for its category.

$0.44per day
$13.25per month
846kWh per year, certified
$1,750over a 11-yr lifespan

That $159 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 Ruud PROUH50 T2 RU400-30 compares to other electric water heaters

Against the category average of 1,105 kWh/yr, this model uses 23.4% less, ranking 64 of 596 electric water heaters tracked here for running cost. 596 certified electric water heaters, one average, about $49/year of daylight between it and this model; the full methodology has the rest.

Neighbouring models

Right next to the Ruud PROUH50 T2 RU400-30 on that list: Ruud PROUH50 T2 RU375-SO ($159/yr, 846 kWh/yr) runs slightly less, while Ruud PROUH50 T2 RU400-SO ($159/yr, 846 kWh/yr) runs slightly more.

Same brand, different models

Ranked 11 of Ruud's 51 certified electric water heaters, this sits between the PROUH40 T2 CD400-15 ($121/yr, the brand's cheapest) and the PROUH80 T0 RU120-MSO ($264/yr, its priciest).

Cost over its typical lifespan

Over the 11-year service life NAHB reports for this category, running the Ruud PROUH50 T2 RU400-30 costs roughly $1,750 in electricity, separate from the purchase price.

Is it worth replacing?

Efficient as certified electric water heaters go, $159/year is a reasonable baseline if you're comparing what else is on the market.

Compare current ENERGY STAR certified electric water heaters before buying.

If you're keeping it

A electric water heater like the Ruud PROUH50 T2 RU400-30 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.

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. Ranked 64 of 596, the Ruud PROUH50 T2 RU400-30 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.