WattCost

Data through April 2026

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

Smart Solar SSG2-ES 65

For a standard household draw pattern, the Smart Solar SSG2-ES 65 uses a certified 893 kWh per year: roughly $168 annually at the national average rate. Compared with the median certified electric water heater, it uses 17% less electricity — rank 152 out of 566. The same unit costs $110 a year in North Dakota but $416 in Hawaii — electricity rates, not the appliance, make the difference.

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

$168/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$14.01
Per day
46¢
Certified use
893 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
Split System HPWH
Storage volume
65 gal
First-hour rating
46 gal
UEF
2.52
643 kWh1,741 kWh
Where the Smart Solar SSG2-ES 65 (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

Smart Solar SSG2-ES 65: 893 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$155
Alaska27.4¢$244
Arizona15.5¢$138
Arkansas14.2¢$126
California35.3¢$315
Colorado16.5¢$148
Connecticut32.2¢$288
Delaware18.8¢$168
District of Columbia25.4¢$227
Florida15.4¢$137
Georgia15.4¢$137
Hawaiipriciest46.6¢$416
Idaho12.7¢$113
Illinois20.5¢$183
Indiana17.9¢$160
Iowa13.9¢$124
Kansas15.8¢$141
Kentucky15.0¢$134
Louisiana14.4¢$129
Maine28.4¢$254
Maryland22.1¢$197
Massachusetts29.4¢$263
Michigan21.4¢$191
Minnesota16.4¢$146
Mississippi16.8¢$150
Missouri14.0¢$125
Montana13.9¢$124
Nebraska13.3¢$119
Nevada14.3¢$128
New Hampshire27.2¢$243
New Jersey23.5¢$210
New Mexico15.2¢$135
New York29.4¢$263
North Carolina16.3¢$145
North Dakotacheapest12.3¢$110
Ohio19.5¢$174
Oklahoma13.3¢$119
Oregon15.8¢$141
Pennsylvania21.5¢$192
Rhode Island28.3¢$253
South Carolina17.1¢$152
South Dakota14.5¢$130
Tennessee14.9¢$133
Texas17.0¢$152
Utah13.3¢$119
Vermont24.6¢$219
Virginia17.4¢$155
Washington14.4¢$128
West Virginia16.1¢$143
Wisconsin19.2¢$172
Wyoming14.7¢$131

Certified models closest in efficiency

electric water heaters within reach of 893 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH65 T2 FD400-15887$167
Rheem PROPH65 T2 RH375-15887$167
Rheem PROPH65 T2 RH400-15887$167
Rheem XE65T10H22U0887$167
Richmond 10E65-HP515887$167
Richmond 10E65-HP5U15887$167

Run your own numbers

Your rate, your numbers

Per day
46¢
Per month
$14.01
Per year
$168

893 kWh/yr × 18.8¢/kWh = $168/yr

Prefilled with this model's certified 893 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 Smart Solar SSG2-ES 65 use?
ENERGY STAR certifies the Smart Solar SSG2-ES 65 at 893 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 Smart Solar SSG2-ES 65 cost to run per month?
About $14.01 a month at the U.S. average residential rate (18.8¢/kWh) — 46¢ a day, or $168 a year. Your state's rate moves this up or down; see the table above.
Is the Smart Solar SSG2-ES 65 energy efficient?
It uses 17% less electricity than the median certified electric water heater, placing it in the efficient third of certified models.
What does the Smart Solar SSG2-ES 65 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $110 a year in North Dakota (12.3¢/kWh) and $416 in Hawaii (46.6¢/kWh).

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