WattCost

Data through April 2026

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

RELIANCE WATER HEATERS 10-50-DHPTV 2

For a standard household draw pattern, the RELIANCE WATER HEATERS 10-50-DHPTV 2 uses a certified 1,550 kWh per year: roughly $292 annually at the national average rate. It sits near the bottom of the certified table — using 43% more than the median electric water heater (rank 556 of 566) — so the state you live in matters more than usual. The same unit costs $191 a year in North Dakota but $723 in Hawaii — electricity rates, not the appliance, make the difference.

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

$292/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$24.32
Per day
80¢
Certified use
1,550 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
120 Volt Integrated HPWH
Storage volume
46 gal
First-hour rating
52 gal
UEF
3
643 kWh1,741 kWh
Where the RELIANCE WATER HEATERS 10-50-DHPTV 2 (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

RELIANCE WATER HEATERS 10-50-DHPTV 2: 1,550 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$270
Alaska27.4¢$424
Arizona15.5¢$240
Arkansas14.2¢$219
California35.3¢$546
Colorado16.5¢$256
Connecticut32.2¢$500
Delaware18.8¢$291
District of Columbia25.4¢$394
Florida15.4¢$238
Georgia15.4¢$238
Hawaiipriciest46.6¢$723
Idaho12.7¢$197
Illinois20.5¢$317
Indiana17.9¢$277
Iowa13.9¢$215
Kansas15.8¢$245
Kentucky15.0¢$233
Louisiana14.4¢$224
Maine28.4¢$441
Maryland22.1¢$342
Massachusetts29.4¢$456
Michigan21.4¢$332
Minnesota16.4¢$254
Mississippi16.8¢$260
Missouri14.0¢$217
Montana13.9¢$215
Nebraska13.3¢$206
Nevada14.3¢$221
New Hampshire27.2¢$422
New Jersey23.5¢$365
New Mexico15.2¢$235
New York29.4¢$456
North Carolina16.3¢$252
North Dakotacheapest12.3¢$191
Ohio19.5¢$302
Oklahoma13.3¢$206
Oregon15.8¢$245
Pennsylvania21.5¢$333
Rhode Island28.3¢$439
South Carolina17.1¢$264
South Dakota14.5¢$225
Tennessee14.9¢$232
Texas17.0¢$263
Utah13.3¢$206
Vermont24.6¢$381
Virginia17.4¢$269
Washington14.4¢$223
West Virginia16.1¢$249
Wisconsin19.2¢$298
Wyoming14.7¢$228

Certified models closest in efficiency

electric water heaters within reach of 1,550 kWh/yr
ModelkWh/yr$/yr (US avg)
A. O. Smith HPTV-50 21,550$292
A. O. Smith HPTV-66 21,550$292
A. O. Smith HPV10-50H01DV 21,550$292
A. O. Smith HPV10-66H01DV 21,550$292
American HPV10250H009DV 21,550$292
American HPV10266H009DV 21,550$292

Run your own numbers

Your rate, your numbers

Per day
80¢
Per month
$24.32
Per year
$292

1,550 kWh/yr × 18.8¢/kWh = $292/yr

Prefilled with this model's certified 1,550 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-DHPTV 2 use?
ENERGY STAR certifies the RELIANCE WATER HEATERS 10-50-DHPTV 2 at 1,550 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-DHPTV 2 cost to run per month?
About $24.32 a month at the U.S. average residential rate (18.8¢/kWh) — 80¢ a day, or $292 a year. Your state's rate moves this up or down; see the table above.
Is the RELIANCE WATER HEATERS 10-50-DHPTV 2 energy efficient?
It uses 43% more electricity than the median certified electric water heater, which puts it among the least efficient certified models.
What does the RELIANCE WATER HEATERS 10-50-DHPTV 2 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $191 a year in North Dakota (12.3¢/kWh) and $723 in Hawaii (46.6¢/kWh).

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