How much does a smart speaker cost per month in North Carolina?

About 32.7¢ a month, assuming 3 W, 24 hours a day, 365 days a year at 14.95¢/kWh.

How many kilowatt-hours does a smart speaker use?

Roughly 26 kWh a year under these assumptions, or 0.00 kWh for every hour it runs.

Is that expensive compared with other states?

North Carolina has the 14th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $4.77 a year.

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Cost to run a smart speaker in North Carolina (August 2026 rates)

At 14.95¢ per kilowatt-hour — North Carolina's average residential price in August 2026 — running a smart speaker costs $3.93 a year. That is 18% less than the national average of $4.77. North Carolina's residential rate is up 2.5% from August 2025, which moves this appliance from $3.83 to $3.93 a year.

Per hour: under 0.1¢
Per day of use: 1.1¢
Per month: 32.7¢
Per year: $3.93

Assumption: 3 W, 24 hours a day, 365 days a year — 26 kWh a year. Idle listening. Playing music at volume draws several times more, but only while it plays. Use the calculator to swap in the numbers from your own model.

How North Carolina compares

North Carolina pays 14.95¢/kWh, the 14th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to 84.4¢ less a year than the typical U.S. household pays for the same use. Running the same smart speaker costs $3.34 a year in Nevada and $12.40 in Hawaii, so where you live changes this bill by $9.06 a year.

State	Rate	Per month	Per year
Washington	14.63¢	32.0¢	$3.84
Oklahoma	14.82¢	32.5¢	$3.89
North Carolina	14.95¢	32.7¢	$3.93
Florida	14.99¢	32.8¢	$3.94
Arizona	15.05¢	33.0¢	$3.96

States ranked by average residential price, cheapest first. See all 51 states for a smart speaker.

What else costs about the same in North Carolina

Toaster$5.24 a year in NC Vacuum cleaner$5.38 a year in NC Clothes iron$2.47 a year in NC

Cutting the number down

The interesting number is the idle draw, because that is the one that runs 8,760 hours a year.

Questions

How much does a smart speaker cost per month in North Carolina?: About 32.7¢ a month, assuming 3 W, 24 hours a day, 365 days a year at 14.95¢/kWh.
How many kilowatt-hours does a smart speaker use?: Roughly 26 kWh a year under these assumptions, or 0.00 kWh for every hour it runs.
Is that expensive compared with other states?: North Carolina has the 14th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $4.77 a year.