WattCost

Data through April 2026

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

A. O. Smith FPTU-80 1

For a standard household draw pattern, the A. O. Smith FPTU-80 1 uses a certified 1,396 kWh per year: roughly $263 annually at the national average rate. Even among certified models it's on the thirsty end: 29% more electricity than the median electric water heater, ranked 521 of 566. The same unit costs $172 a year in North Dakota but $651 in Hawaii — electricity rates, not the appliance, make the difference.

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

$263/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$21.91
Per day
72¢
Certified use
1,396 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
82 gal
First-hour rating
84 gal
UEF
3.45
643 kWh1,741 kWh
Where the A. O. Smith FPTU-80 1 (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

A. O. Smith FPTU-80 1: 1,396 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$243
Alaska27.4¢$382
Arizona15.5¢$216
Arkansas14.2¢$198
California35.3¢$492
Colorado16.5¢$231
Connecticut32.2¢$450
Delaware18.8¢$262
District of Columbia25.4¢$355
Florida15.4¢$215
Georgia15.4¢$215
Hawaiipriciest46.6¢$651
Idaho12.7¢$177
Illinois20.5¢$286
Indiana17.9¢$250
Iowa13.9¢$193
Kansas15.8¢$220
Kentucky15.0¢$210
Louisiana14.4¢$202
Maine28.4¢$397
Maryland22.1¢$308
Massachusetts29.4¢$411
Michigan21.4¢$299
Minnesota16.4¢$229
Mississippi16.8¢$234
Missouri14.0¢$196
Montana13.9¢$194
Nebraska13.3¢$185
Nevada14.3¢$199
New Hampshire27.2¢$380
New Jersey23.5¢$328
New Mexico15.2¢$211
New York29.4¢$411
North Carolina16.3¢$227
North Dakotacheapest12.3¢$172
Ohio19.5¢$272
Oklahoma13.3¢$186
Oregon15.8¢$220
Pennsylvania21.5¢$300
Rhode Island28.3¢$395
South Carolina17.1¢$238
South Dakota14.5¢$203
Tennessee14.9¢$209
Texas17.0¢$237
Utah13.3¢$186
Vermont24.6¢$343
Virginia17.4¢$243
Washington14.4¢$200
West Virginia16.1¢$224
Wisconsin19.2¢$268
Wyoming14.7¢$205

Certified models closest in efficiency

electric water heaters within reach of 1,396 kWh/yr
ModelkWh/yr$/yr (US avg)
American HPHE6280H045DV 11,396$263
RELIANCE WATER HEATERS 6-80-DHPHT 11,396$263
State HP6-80-DHPT 11,396$263
U.S. Craftmaster HPHE2F80HD045VU 11,396$263
A. O. Smith FPTU-66 11,391$262
American HPHE6266H045DV 11,391$262

Run your own numbers

Your rate, your numbers

Per day
72¢
Per month
$21.91
Per year
$263

1,396 kWh/yr × 18.8¢/kWh = $263/yr

Prefilled with this model's certified 1,396 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 A. O. Smith FPTU-80 1 use?
ENERGY STAR certifies the A. O. Smith FPTU-80 1 at 1,396 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 A. O. Smith FPTU-80 1 cost to run per month?
About $21.91 a month at the U.S. average residential rate (18.8¢/kWh) — 72¢ a day, or $263 a year. Your state's rate moves this up or down; see the table above.
Is the A. O. Smith FPTU-80 1 energy efficient?
It uses 29% more electricity than the median certified electric water heater, which puts it among the least efficient certified models.
What does the A. O. Smith FPTU-80 1 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $172 a year in North Dakota (12.3¢/kWh) and $651 in Hawaii (46.6¢/kWh).

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