How much does a 55-inch LED TV cost per month in South Dakota?

About $2.10 a month, assuming 90 W, 5 hours a day, 365 days a year at 15.36¢/kWh.

How many kilowatt-hours does a 55-inch LED TV use?

Roughly 164 kWh a year under these assumptions, or 0.09 kWh for every hour it runs.

Is that expensive compared with other states?

South Dakota has the 19th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $30.12 a year.

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Cost to run a 55-inch LED TV in South Dakota (June 2026 rates)

At 15.36¢ per kilowatt-hour — South Dakota's average residential price in June 2026 — running a 55-inch LED TV costs $25.23 a year. That is 16% less than the national average of $30.12. South Dakota's residential rate is up 8.0% from June 2025, which moves this appliance from $23.36 to $25.23 a year.

Per hour: 1.4¢
Per day of use: 6.9¢
Per month: $2.10
Per year: $25.23

Assumption: 90 W, 5 hours a day, 365 days a year — 164 kWh a year. A 55-inch LED set at default brightness. OLED and 65-inch-plus models run higher, and HDR content pushes peak draw up sharply. Use the calculator to swap in the numbers from your own model.

How South Dakota compares

South Dakota pays 15.36¢/kWh, the 19th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $4.89 less a year than the typical U.S. household pays for the same use. Running the same 55-inch LED TV costs $21.53 a year in Nevada and $86.59 in Hawaii, so where you live changes this bill by $65.06 a year.

State	Rate	Per month	Per year
Arizona	15.18¢	$2.08	$24.93
Wyoming	15.24¢	$2.09	$25.03
South Dakota	15.36¢	$2.10	$25.23
West Virginia	15.45¢	$2.11	$25.38
South Carolina	15.55¢	$2.13	$25.54

States ranked by average residential price, cheapest first. See all 51 states for a 55-inch LED TV.

What else costs about the same in South Dakota

Coffee maker$25.23 a year in SD Washing machine$19.97 a year in SD Air fryer$19.35 a year in SD

Cutting the number down

Store-demo picture modes are tuned for a showroom floor and can double the draw versus a normal viewing mode.
Automatic brightness limiting keeps a dark room from being lit at showroom levels, which is both cheaper and easier on the eyes.
A soundbar, console and streaming box left on add a standby load that never appears in the TV's own spec.

Questions

How much does a 55-inch LED TV cost per month in South Dakota?: About $2.10 a month, assuming 90 W, 5 hours a day, 365 days a year at 15.36¢/kWh.
How many kilowatt-hours does a 55-inch LED TV use?: Roughly 164 kWh a year under these assumptions, or 0.09 kWh for every hour it runs.
Is that expensive compared with other states?: South Dakota has the 19th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $30.12 a year.