WattCost

Data through April 2026

Running cost · Televisions · ENERGY STAR certified

Samsung QN115QN90FF

At the standardized usage ENERGY STAR assumes, the Samsung QN115QN90FF consumes 631 kWh a year — about $119 at the U.S. average electricity rate ($9.90 a month). Even among certified models it's on the thirsty end: 237% more electricity than the median television, ranked 172 of 172. Where you live moves the bill from $78 a year in North Dakota to $294 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

$119/yr

$3.46 · cheapest certified televisions$119 · priciest
Per month
$9.90
Per day
33¢
Certified use
631 kWh/yr
Screen size
114.4 in
Display type
QD-LED (QLED)
Backlight
Direct-lit LED
On-mode power
343.5 W
18 kWh631 kWh
Where the Samsung QN115QN90FF (▮) sits among all 172 certified televisions, by annual kWh

What it costs in every state

Samsung QN115QN90FF: 631 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$110
Alaska27.4¢$173
Arizona15.5¢$98
Arkansas14.2¢$89
California35.3¢$222
Colorado16.5¢$104
Connecticut32.2¢$203
Delaware18.8¢$119
District of Columbia25.4¢$160
Florida15.4¢$97
Georgia15.4¢$97
Hawaiipriciest46.6¢$294
Idaho12.7¢$80
Illinois20.5¢$129
Indiana17.9¢$113
Iowa13.9¢$87
Kansas15.8¢$100
Kentucky15.0¢$95
Louisiana14.4¢$91
Maine28.4¢$179
Maryland22.1¢$139
Massachusetts29.4¢$186
Michigan21.4¢$135
Minnesota16.4¢$103
Mississippi16.8¢$106
Missouri14.0¢$88
Montana13.9¢$88
Nebraska13.3¢$84
Nevada14.3¢$90
New Hampshire27.2¢$172
New Jersey23.5¢$148
New Mexico15.2¢$96
New York29.4¢$186
North Carolina16.3¢$103
North Dakotacheapest12.3¢$78
Ohio19.5¢$123
Oklahoma13.3¢$84
Oregon15.8¢$100
Pennsylvania21.5¢$135
Rhode Island28.3¢$179
South Carolina17.1¢$108
South Dakota14.5¢$92
Tennessee14.9¢$94
Texas17.0¢$107
Utah13.3¢$84
Vermont24.6¢$155
Virginia17.4¢$110
Washington14.4¢$91
West Virginia16.1¢$101
Wisconsin19.2¢$121
Wyoming14.7¢$93

Certified models closest in efficiency

televisions within reach of 631 kWh/yr
ModelkWh/yr$/yr (US avg)
Samsung QN85QN95DAF414$78
Samsung QN83S95FAE399$75
Samsung QN85QN90DAF390$73
LG OLED83C5P377$71
LG OLED83G5375$71
LG OLED83G6WU371$70

Run your own numbers

Your rate, your numbers

Per day
33¢
Per month
$9.90
Per year
$119

631 kWh/yr × 18.8¢/kWh = $119/yr

Prefilled with this model's certified 631 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 Samsung QN115QN90FF use?
ENERGY STAR certifies the Samsung QN115QN90FF at 631 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 Samsung QN115QN90FF cost to run per month?
About $9.90 a month at the U.S. average residential rate (18.8¢/kWh) — 33¢ a day, or $119 a year. Your state's rate moves this up or down; see the table above.
Is the Samsung QN115QN90FF energy efficient?
It uses 237% more electricity than the median certified television, which puts it among the least efficient certified models.
What does the Samsung QN115QN90FF cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $78 a year in North Dakota (12.3¢/kWh) and $294 in Hawaii (46.6¢/kWh).

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