WattCost

Data through June 2026

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

State HP6-66-DHPT 1

For a standard household draw pattern, the State HP6-66-DHPT 1 uses a certified 1,391 kWh per year: roughly $255 annually at the national average rate. It sits near the bottom of the certified table — using 15% more than the median electric water heater (rank 463 of 510) — so the state you live in matters more than usual. Where you live moves the bill from $182 a year in Nevada to $733 in Hawaii.

Dimensions 61" H × 23" W

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

$255/yr

$125 · cheapest certified water heaters (electric)$319 · priciest
Per month
$21.26
Per day
70¢
Certified use
1,391 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
67 gal
First-hour rating
79 gal
UEF
3.42
681 kWh1,741 kWh
Where the State HP6-66-DHPT 1 (▮) sits among all 510 certified water heaters (electric), by annual kWh

What it costs in every state

State HP6-66-DHPT 1: 1,391 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$228
Alaska28.2¢$392
Arizona15.2¢$211
Arkansas14.1¢$196
California34.7¢$483
Colorado17.1¢$238
Connecticut24.3¢$338
Delaware19.3¢$268
District of Columbia24.4¢$339
Florida15.1¢$210
Georgia16.4¢$228
Hawaiipriciest52.7¢$733
Idaho14.4¢$200
Illinois19.9¢$277
Indiana17.5¢$244
Iowa15.9¢$222
Kansas15.7¢$219
Kentucky14.3¢$198
Louisiana13.5¢$188
Maine29.6¢$412
Maryland21.8¢$304
Massachusetts29.6¢$412
Michigan23.0¢$320
Minnesota17.5¢$244
Mississippi14.9¢$207
Missouri16.2¢$226
Montana15.1¢$211
Nebraska13.3¢$184
Nevadacheapest13.1¢$182
New Hampshire27.0¢$376
New Jersey24.9¢$347
New Mexico15.1¢$209
New York29.5¢$410
North Carolina14.7¢$205
North Dakota14.1¢$196
Ohio19.2¢$267
Oklahoma14.3¢$199
Oregon16.3¢$227
Pennsylvania21.7¢$302
Rhode Island29.2¢$407
South Carolina15.6¢$216
South Dakota15.4¢$214
Tennessee14.1¢$196
Texas15.9¢$222
Utah13.4¢$186
Vermont24.4¢$340
Virginia17.2¢$240
Washington14.9¢$207
West Virginia15.4¢$215
Wisconsin19.6¢$272
Wyoming15.2¢$212

Certified models closest in efficiency

electric water heaters within reach of 1,391 kWh/yr
ModelkWh/yr$/yr (US avg)
A. O. Smith FPTU-66 11,391$255
American HPHE6266H045DV 11,391$255
RELIANCE WATER HEATERS 6-66-DHPHT 11,391$255
U.S. Craftmaster HPHE2F66HD045VU 11,391$255
A. O. Smith HP1080H45DV 11,387$254
A. O. Smith HP1080H45DVCTA-11,387$254

Run your own numbers

Your rate, your numbers

Per day
70¢
Per month
$21.26
Per year
$255

1,391 kWh/yr × 18.3¢/kWh = $255/yr

Prefilled with this model's certified 1,391 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 HP6-66-DHPT 1 use?
ENERGY STAR certifies the State HP6-66-DHPT 1 at 1,391 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 HP6-66-DHPT 1 cost to run per month?
About $21.26 a month at the U.S. average residential rate (18.3¢/kWh) — 70¢ a day, or $255 a year. Your state's rate moves this up or down; see the table above.
Is the State HP6-66-DHPT 1 energy efficient?
It uses 15% more electricity than the median certified electric water heater, which puts it among the least efficient certified models.
What does the State HP6-66-DHPT 1 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $182 a year in Nevada (13.1¢/kWh) and $733 in Hawaii (52.7¢/kWh).

Keep digging