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Data through April 2026

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

RELIANCE WATER HEATERS 10-50-DHPTA 2

Heating a typical household's hot water, the RELIANCE WATER HEATERS 10-50-DHPTA 2 is certified at 883 kWh a year — about $166 at the U.S. average electricity rate, or $13.86 a month. Compared with the median certified electric water heater, it uses 18% less electricity — rank 141 out of 566. The same unit costs $109 a year in North Dakota but $412 in Hawaii — electricity rates, not the appliance, make the difference.

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

$166/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$13.86
Per day
46¢
Certified use
883 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
240 Volt Integrated HPWH
Storage volume
46 gal
First-hour rating
65 gal
UEF
3.68
643 kWh1,741 kWh
Where the RELIANCE WATER HEATERS 10-50-DHPTA 2 (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

RELIANCE WATER HEATERS 10-50-DHPTA 2: 883 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$154
Alaska27.4¢$242
Arizona15.5¢$137
Arkansas14.2¢$125
California35.3¢$311
Colorado16.5¢$146
Connecticut32.2¢$285
Delaware18.8¢$166
District of Columbia25.4¢$224
Florida15.4¢$136
Georgia15.4¢$136
Hawaiipriciest46.6¢$412
Idaho12.7¢$112
Illinois20.5¢$181
Indiana17.9¢$158
Iowa13.9¢$122
Kansas15.8¢$139
Kentucky15.0¢$133
Louisiana14.4¢$128
Maine28.4¢$251
Maryland22.1¢$195
Massachusetts29.4¢$260
Michigan21.4¢$189
Minnesota16.4¢$145
Mississippi16.8¢$148
Missouri14.0¢$124
Montana13.9¢$123
Nebraska13.3¢$117
Nevada14.3¢$126
New Hampshire27.2¢$241
New Jersey23.5¢$208
New Mexico15.2¢$134
New York29.4¢$260
North Carolina16.3¢$143
North Dakotacheapest12.3¢$109
Ohio19.5¢$172
Oklahoma13.3¢$118
Oregon15.8¢$139
Pennsylvania21.5¢$190
Rhode Island28.3¢$250
South Carolina17.1¢$151
South Dakota14.5¢$128
Tennessee14.9¢$132
Texas17.0¢$150
Utah13.3¢$117
Vermont24.6¢$217
Virginia17.4¢$153
Washington14.4¢$127
West Virginia16.1¢$142
Wisconsin19.2¢$170
Wyoming14.7¢$130

Certified models closest in efficiency

electric water heaters within reach of 883 kWh/yr
ModelkWh/yr$/yr (US avg)
A. O. Smith HPA10-50H45DV 2883$166
A. O. Smith HPTA-50 2883$166
American HPA10250H045DV 2883$166
Lochinvar HPPA050KD 2883$166
State HPAX-50-DHPT 2883$166
Friedrich PROH40 T2 FD310BM879$166

Run your own numbers

Your rate, your numbers

Per day
46¢
Per month
$13.86
Per year
$166

883 kWh/yr × 18.8¢/kWh = $166/yr

Prefilled with this model's certified 883 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 RELIANCE WATER HEATERS 10-50-DHPTA 2 use?
ENERGY STAR certifies the RELIANCE WATER HEATERS 10-50-DHPTA 2 at 883 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 RELIANCE WATER HEATERS 10-50-DHPTA 2 cost to run per month?
About $13.86 a month at the U.S. average residential rate (18.8¢/kWh) — 46¢ a day, or $166 a year. Your state's rate moves this up or down; see the table above.
Is the RELIANCE WATER HEATERS 10-50-DHPTA 2 energy efficient?
It uses 18% less electricity than the median certified electric water heater, placing it in the efficient third of certified models.
What does the RELIANCE WATER HEATERS 10-50-DHPTA 2 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $109 a year in North Dakota (12.3¢/kWh) and $412 in Hawaii (46.6¢/kWh).

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