WattCost

Data through April 2026

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

Eco-Logical OMNI-50HP1-1A

For a standard household draw pattern, the Eco-Logical OMNI-50HP1-1A uses a certified 681 kWh per year: roughly $128 annually at the national average rate. That puts it in the most efficient tenth of every certified electric water heater — 37% less electricity than the median, ranked 10 of 566. Where you live moves the bill from $84 a year in North Dakota to $317 in Hawaii.

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

$128/yr

$121 · cheapest certified water heaters (electric)$328 · priciest
Per month
$10.69
Per day
35¢
Certified use
681 kWh/yr
Type
Hybrid/Electric Heat Pump
Heat pump type
Split System HPWH
Storage volume
46 gal
First-hour rating
50 gal
UEF
3.3
643 kWh1,741 kWh
Where the Eco-Logical OMNI-50HP1-1A (▮) sits among all 566 certified water heaters (electric), by annual kWh

What it costs in every state

Eco-Logical OMNI-50HP1-1A: 681 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$119
Alaska27.4¢$186
Arizona15.5¢$105
Arkansas14.2¢$96
California35.3¢$240
Colorado16.5¢$113
Connecticut32.2¢$220
Delaware18.8¢$128
District of Columbia25.4¢$173
Florida15.4¢$105
Georgia15.4¢$105
Hawaiipriciest46.6¢$317
Idaho12.7¢$86
Illinois20.5¢$139
Indiana17.9¢$122
Iowa13.9¢$94
Kansas15.8¢$107
Kentucky15.0¢$102
Louisiana14.4¢$98
Maine28.4¢$194
Maryland22.1¢$150
Massachusetts29.4¢$201
Michigan21.4¢$146
Minnesota16.4¢$112
Mississippi16.8¢$114
Missouri14.0¢$95
Montana13.9¢$95
Nebraska13.3¢$90
Nevada14.3¢$97
New Hampshire27.2¢$186
New Jersey23.5¢$160
New Mexico15.2¢$103
New York29.4¢$201
North Carolina16.3¢$111
North Dakotacheapest12.3¢$84
Ohio19.5¢$133
Oklahoma13.3¢$91
Oregon15.8¢$107
Pennsylvania21.5¢$146
Rhode Island28.3¢$193
South Carolina17.1¢$116
South Dakota14.5¢$99
Tennessee14.9¢$102
Texas17.0¢$116
Utah13.3¢$91
Vermont24.6¢$167
Virginia17.4¢$118
Washington14.4¢$98
West Virginia16.1¢$109
Wisconsin19.2¢$131
Wyoming14.7¢$100

Certified models closest in efficiency

electric water heaters within reach of 681 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich PROH40 T2 FD400-15643$121
Rheem PROPH40 T2 RH375-15643$121
Rheem PROPH40 T2 RH400-15643$121
Rheem XE40T10H22U0643$121
Rheem XE40T10H22U1643$121
Richmond 10E40-HP515643$121

Run your own numbers

Your rate, your numbers

Per day
35¢
Per month
$10.69
Per year
$128

681 kWh/yr × 18.8¢/kWh = $128/yr

Prefilled with this model's certified 681 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 Eco-Logical OMNI-50HP1-1A use?
ENERGY STAR certifies the Eco-Logical OMNI-50HP1-1A at 681 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 Eco-Logical OMNI-50HP1-1A cost to run per month?
About $10.69 a month at the U.S. average residential rate (18.8¢/kWh) — 35¢ a day, or $128 a year. Your state's rate moves this up or down; see the table above.
Is the Eco-Logical OMNI-50HP1-1A energy efficient?
It uses 37% less electricity than the median certified electric water heater, placing it in the top 10% of certified models.
What does the Eco-Logical OMNI-50HP1-1A cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $84 a year in North Dakota (12.3¢/kWh) and $317 in Hawaii (46.6¢/kWh).

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