WattCost

Data through April 2026

Televisions · 16 certified models

77-Inch Televisions

Filtering to 77-inch televisions narrows the field to 16 of the 172 certified televisions in this data, ranging $47–$68 a year at national-average electricity rates (median $56).

All certified models

77-Inch Televisions, ranked by certified annual kWh
#ModelkWh/yr$/yr (US avg)
1LG OLED77C6HU250$47
2LG OLED77B4PU263$50
3Samsung QN77S85HAE271$51
4Samsung QN77S85FAE272$51
5Samsung QN77S85DAE283$53
6Samsung QN77S90FAF287$54
7LG OLED77G6WU288$54
8Samsung QN77S90HAE293$55
9Samsung QN77S90DAF298$56
10LG OLED77C4PU304$57
11Samsung QN77S95FAF314$59
12Samsung QN77S95HAF316$60
13LG OLED77B5344$65
14LG OLED77C5344$65
15LG OLED77G5348$66
16Samsung QN77S95DAF361$68

Other size facets

Questions, answered with the data

How much does it cost to run 77-inch televisions?
Among 16 certified models in this data, 77-inch televisions cost $47 to $68 a year to run at the U.S. average electricity rate (18.8¢/kWh) — a median of $56.
Do 77-inch televisions cost more or less than the average television?
The median model here runs $56 a year, 58% more than the $35 median across all certified televisions.
What's the cheapest model among 77-inch televisions?
The LG OLED77C6HU costs about $47 a year at the U.S. average rate (250 kWh/yr) — the lowest certified figure in this group.
What does the certified annual-kWh figure assume for televisions?
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.

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