WattCost

Data through April 2026

Running cost · Water Heaters (Electric) · ENERGY STAR certified

State SHPCO-45 1**+SXST-50LBG 1

For a standard household draw pattern, the State SHPCO-45 1**+SXST-50LBG 1 uses a certified 915 kWh per year: roughly $172 annually at the national average rate. That's close to the middle of the certified pack — about 15% under the median electric water heater, ranked 209 of 566. The same unit costs $113 a year in North Dakota but $427 in Hawaii — electricity rates, not the appliance, make the difference.

Estimated annual running cost · U.S. average rate 18.8¢/kWh

$172/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$14.36
Per day
47¢
Certified use
915 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
Split System HPWH
Storage volume
48 gal
First-hour rating
72 gal
UEF
3.55
643 kWh1,741 kWh
Where the State SHPCO-45 1**+SXST-50LBG 1 (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

State SHPCO-45 1**+SXST-50LBG 1: 915 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$159
Alaska27.4¢$250
Arizona15.5¢$142
Arkansas14.2¢$130
California35.3¢$323
Colorado16.5¢$151
Connecticut32.2¢$295
Delaware18.8¢$172
District of Columbia25.4¢$233
Florida15.4¢$141
Georgia15.4¢$141
Hawaiipriciest46.6¢$427
Idaho12.7¢$116
Illinois20.5¢$187
Indiana17.9¢$164
Iowa13.9¢$127
Kansas15.8¢$144
Kentucky15.0¢$137
Louisiana14.4¢$132
Maine28.4¢$260
Maryland22.1¢$202
Massachusetts29.4¢$269
Michigan21.4¢$196
Minnesota16.4¢$150
Mississippi16.8¢$153
Missouri14.0¢$128
Montana13.9¢$127
Nebraska13.3¢$122
Nevada14.3¢$131
New Hampshire27.2¢$249
New Jersey23.5¢$215
New Mexico15.2¢$139
New York29.4¢$269
North Carolina16.3¢$149
North Dakotacheapest12.3¢$113
Ohio19.5¢$178
Oklahoma13.3¢$122
Oregon15.8¢$144
Pennsylvania21.5¢$196
Rhode Island28.3¢$259
South Carolina17.1¢$156
South Dakota14.5¢$133
Tennessee14.9¢$137
Texas17.0¢$155
Utah13.3¢$122
Vermont24.6¢$225
Virginia17.4¢$159
Washington14.4¢$131
West Virginia16.1¢$147
Wisconsin19.2¢$176
Wyoming14.7¢$134

Certified models closest in efficiency

electric water heaters within reach of 915 kWh/yr
ModelkWh/yr$/yr (US avg)
A. O. Smith HPACO-45 1**+AXST-50LBTTP 1915$172
A. O. Smith HPACO-45C 1**+AXST-50LBCTTP 1915$172
American MHPCO-45 1**+MXST-50LBTTP 1915$172
Ariston ARIHPWH-40-T915$172
Friedrich PROH50 T2 FD310BM915$172
Friedrich PROH50 T2 FD310UM915$172

Run your own numbers

Your rate, your numbers

Per day
47¢
Per month
$14.36
Per year
$172

915 kWh/yr × 18.8¢/kWh = $172/yr

Prefilled with this model's certified 915 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the DOE Uniform Energy Factor test, which simulates a typical household's daily hot-water draw pattern. Only electric models (including heat-pump units) are listed — gas models burn gas, not kWh.

Questions, answered with the data

How much electricity does the State SHPCO-45 1**+SXST-50LBG 1 use?
ENERGY STAR certifies the State SHPCO-45 1**+SXST-50LBG 1 at 915 kWh per year. The certified annual kWh comes from the DOE Uniform Energy Factor test, which simulates a typical household's daily hot-water draw pattern. Only electric models (including heat-pump units) are listed — gas models burn gas, not kWh.
How much does the State SHPCO-45 1**+SXST-50LBG 1 cost to run per month?
About $14.36 a month at the U.S. average residential rate (18.8¢/kWh) — 47¢ a day, or $172 a year. Your state's rate moves this up or down; see the table above.
Is the State SHPCO-45 1**+SXST-50LBG 1 energy efficient?
It uses 15% less electricity than the median certified electric water heater.
What does the State SHPCO-45 1**+SXST-50LBG 1 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $113 a year in North Dakota (12.3¢/kWh) and $427 in Hawaii (46.6¢/kWh).

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