WattCost

Data through June 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 $168 annually at the national average rate. That's 24% less than the median certified electric water heater, placing it comfortably in the efficient third of the field (161 of 510). The same unit costs $120 a year in Nevada but $482 in Hawaii — electricity rates, not the appliance, make the difference.

Dimensions 33" H × 22.5" W

Estimated annual running cost · U.S. average rate 18.3¢/kWh

$168/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$13.98
Per day
46¢
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
681 kWh1,741 kWh
Where the State SHPCO-45 1**+SXST-50LBG 1 (▮) sits among all 510 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
Alabama16.4¢$150
Alaska28.2¢$258
Arizona15.2¢$139
Arkansas14.1¢$129
California34.7¢$318
Colorado17.1¢$157
Connecticut24.3¢$223
Delaware19.3¢$177
District of Columbia24.4¢$223
Florida15.1¢$138
Georgia16.4¢$150
Hawaiipriciest52.7¢$482
Idaho14.4¢$131
Illinois19.9¢$182
Indiana17.5¢$160
Iowa15.9¢$146
Kansas15.7¢$144
Kentucky14.3¢$130
Louisiana13.5¢$123
Maine29.6¢$271
Maryland21.8¢$200
Massachusetts29.6¢$271
Michigan23.0¢$210
Minnesota17.5¢$160
Mississippi14.9¢$136
Missouri16.2¢$148
Montana15.1¢$139
Nebraska13.3¢$121
Nevadacheapest13.1¢$120
New Hampshire27.0¢$247
New Jersey24.9¢$228
New Mexico15.1¢$138
New York29.5¢$270
North Carolina14.7¢$135
North Dakota14.1¢$129
Ohio19.2¢$176
Oklahoma14.3¢$131
Oregon16.3¢$149
Pennsylvania21.7¢$199
Rhode Island29.2¢$267
South Carolina15.6¢$142
South Dakota15.4¢$141
Tennessee14.1¢$129
Texas15.9¢$146
Utah13.4¢$122
Vermont24.4¢$224
Virginia17.2¢$158
Washington14.9¢$136
West Virginia15.4¢$141
Wisconsin19.6¢$179
Wyoming15.2¢$139

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$168
A. O. Smith HPACO-45C 1**+AXST-50LBCTTP 1915$168
American MHPCO-45 1**+MXST-50LBTTP 1915$168
Ariston ARIHPWH-40-T915$168
Friedrich PROH50 T2 FD310BM915$168
Friedrich PROH50 T2 FD310UM915$168

Run your own numbers

Your rate, your numbers

Per day
46¢
Per month
$13.98
Per year
$168

915 kWh/yr × 18.3¢/kWh = $168/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 $13.98 a month at the U.S. average residential rate (18.3¢/kWh) — 46¢ a day, or $168 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 24% less electricity than the median certified electric water heater, placing it in the efficient third of certified models.
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 $120 a year in Nevada (13.1¢/kWh) and $482 in Hawaii (52.7¢/kWh).

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