WattCost

Data through April 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 $66 at the national average rate — your hours of use scale that directly. Even among certified models it's on the thirsty end: 86% more electricity than the median television, ranked 161 of 172. Where you live moves the bill from $43 a year in North Dakota to $162 in Hawaii. Note the certified pool here is small (172 models), so rankings shift more with each data refresh.

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

$66/yr

$3.46 · cheapest certified televisions$119 · priciest
Per month
$5.46
Per day
18¢
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 172 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
Alabama17.4¢$61
Alaska27.4¢$95
Arizona15.5¢$54
Arkansas14.2¢$49
California35.3¢$123
Colorado16.5¢$58
Connecticut32.2¢$112
Delaware18.8¢$65
District of Columbia25.4¢$88
Florida15.4¢$54
Georgia15.4¢$53
Hawaiipriciest46.6¢$162
Idaho12.7¢$44
Illinois20.5¢$71
Indiana17.9¢$62
Iowa13.9¢$48
Kansas15.8¢$55
Kentucky15.0¢$52
Louisiana14.4¢$50
Maine28.4¢$99
Maryland22.1¢$77
Massachusetts29.4¢$102
Michigan21.4¢$74
Minnesota16.4¢$57
Mississippi16.8¢$58
Missouri14.0¢$49
Montana13.9¢$48
Nebraska13.3¢$46
Nevada14.3¢$50
New Hampshire27.2¢$95
New Jersey23.5¢$82
New Mexico15.2¢$53
New York29.4¢$102
North Carolina16.3¢$57
North Dakotacheapest12.3¢$43
Ohio19.5¢$68
Oklahoma13.3¢$46
Oregon15.8¢$55
Pennsylvania21.5¢$75
Rhode Island28.3¢$98
South Carolina17.1¢$59
South Dakota14.5¢$51
Tennessee14.9¢$52
Texas17.0¢$59
Utah13.3¢$46
Vermont24.6¢$85
Virginia17.4¢$60
Washington14.4¢$50
West Virginia16.1¢$56
Wisconsin19.2¢$67
Wyoming14.7¢$51

Certified models closest in efficiency

televisions within reach of 348 kWh/yr
ModelkWh/yr$/yr (US avg)
SANSUI. LE-85TE1347$65
Samsung QN85QN90FAF345$65
LG OLED77B5344$65
LG OLED77C5344$65
LG 86QNED90TU340$64
Samsung QN98QN90FAF357$67

Run your own numbers

Your rate, your numbers

Per day
18¢
Per month
$5.46
Per year
$66

348 kWh/yr × 18.8¢/kWh = $66/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 $5.46 a month at the U.S. average residential rate (18.8¢/kWh) — 18¢ a day, or $66 a year. Your state's rate moves this up or down; see the table above.
Is the LG OLED77G5 energy efficient?
It uses 86% 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 $43 a year in North Dakota (12.3¢/kWh) and $162 in Hawaii (46.6¢/kWh).

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