How much does a smart speaker cost per month in Missouri?

About 35.5¢ a month, assuming 3 W, 24 hours a day, 365 days a year at 16.22¢/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?

Missouri has the 25th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $4.82 a year.

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Cost to run a smart speaker in Missouri (June 2026 rates)

At 16.22¢ per kilowatt-hour — Missouri's average residential price in June 2026 — running a smart speaker costs $4.26 a year. That is 12% less than the national average of $4.82. Missouri's residential rate is up 1.9% from June 2025, which moves this appliance from $4.18 to $4.26 a year.

Per hour: under 0.1¢
Per day of use: 1.2¢
Per month: 35.5¢
Per year: $4.26

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 Missouri compares

Missouri pays 16.22¢/kWh, the 25th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to 55.7¢ less a year than the typical U.S. household pays for the same use. Running the same smart speaker costs $3.45 a year in Nevada and $13.85 in Hawaii, so where you live changes this bill by $10.41 a year.

State	Rate	Per month	Per year
Iowa	15.93¢	34.9¢	$4.19
Texas	15.94¢	34.9¢	$4.19
Missouri	16.22¢	35.5¢	$4.26
Oregon	16.32¢	35.7¢	$4.29
Georgia	16.36¢	35.8¢	$4.30

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

What else costs about the same in Missouri

Toaster$5.68 a year in MO Vacuum cleaner$5.84 a year in MO Clothes iron$2.68 a year in MO

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 Missouri?: About 35.5¢ a month, assuming 3 W, 24 hours a day, 365 days a year at 16.22¢/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?: Missouri has the 25th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $4.82 a year.