WattCost

Data through June 2026

Running cost · Televisions · ENERGY STAR certified

LG OLED77G5

The LG OLED77G5's certified consumption is 348 kWh per year, which prices out to about $64 at the national average rate — your hours of use scale that directly. Even among certified models it's on the thirsty end: 87% more electricity than the median television, ranked 169 of 180. Where you live moves the bill from $46 a year in Nevada to $183 in Hawaii. Note the certified pool here is small (180 models), so rankings shift more with each data refresh.

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

$64/yr

$3.37 · cheapest certified televisions$116 · priciest
Per month
$5.32
Per day
17¢
Certified use
348 kWh/yr
Screen size
76.7 in
Display type
OLED
Backlight
OLED
18 kWh631 kWh
Where the LG OLED77G5 (▮) sits among all 180 certified televisions, by annual kWh

What it costs in every state

LG OLED77G5: 348 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$57
Alaska28.2¢$98
Arizona15.2¢$53
Arkansas14.1¢$49
California34.7¢$121
Colorado17.1¢$60
Connecticut24.3¢$85
Delaware19.3¢$67
District of Columbia24.4¢$85
Florida15.1¢$53
Georgia16.4¢$57
Hawaiipriciest52.7¢$183
Idaho14.4¢$50
Illinois19.9¢$69
Indiana17.5¢$61
Iowa15.9¢$55
Kansas15.7¢$55
Kentucky14.3¢$50
Louisiana13.5¢$47
Maine29.6¢$103
Maryland21.8¢$76
Massachusetts29.6¢$103
Michigan23.0¢$80
Minnesota17.5¢$61
Mississippi14.9¢$52
Missouri16.2¢$56
Montana15.1¢$53
Nebraska13.3¢$46
Nevadacheapest13.1¢$46
New Hampshire27.0¢$94
New Jersey24.9¢$87
New Mexico15.1¢$52
New York29.5¢$103
North Carolina14.7¢$51
North Dakota14.1¢$49
Ohio19.2¢$67
Oklahoma14.3¢$50
Oregon16.3¢$57
Pennsylvania21.7¢$76
Rhode Island29.2¢$102
South Carolina15.6¢$54
South Dakota15.4¢$53
Tennessee14.1¢$49
Texas15.9¢$55
Utah13.4¢$47
Vermont24.4¢$85
Virginia17.2¢$60
Washington14.9¢$52
West Virginia15.4¢$54
Wisconsin19.6¢$68
Wyoming15.2¢$53

Certified models closest in efficiency

televisions within reach of 348 kWh/yr
ModelkWh/yr$/yr (US avg)
SANSUI. LE-85TE1347$64
Samsung QN85QN90FAF345$63
LG OLED77B5344$63
LG OLED77C5344$63
LG 86QNED90TU340$62
Samsung QN98QN90FAF357$66

Run your own numbers

Your rate, your numbers

Per day
17¢
Per month
$5.32
Per year
$64

348 kWh/yr × 18.3¢/kWh = $64/yr

Prefilled with this model's certified 348 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh is based on the standardized ENERGY STAR duty cycle of about 5 hours of on-time per day plus standby the rest of the time. Heavy streaming households will use more.

Questions, answered with the data

How much electricity does the LG OLED77G5 use?
ENERGY STAR certifies the LG OLED77G5 at 348 kWh per year. The certified annual kWh is based on the standardized ENERGY STAR duty cycle of about 5 hours of on-time per day plus standby the rest of the time. Heavy streaming households will use more.
How much does the LG OLED77G5 cost to run per month?
About $5.32 a month at the U.S. average residential rate (18.3¢/kWh) — 17¢ a day, or $64 a year. Your state's rate moves this up or down; see the table above.
Is the LG OLED77G5 energy efficient?
It uses 87% more electricity than the median certified television, which puts it among the least efficient certified models.
What does the LG OLED77G5 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $46 a year in Nevada (13.1¢/kWh) and $183 in Hawaii (52.7¢/kWh).

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