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

About 73.6¢ a month, assuming 3 W, 24 hours a day, 365 days a year at 33.61¢/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?

California has the 2nd most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $4.81 a year.

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Cost to run a smart speaker in California (July 2026 rates)

At 33.61¢ per kilowatt-hour — California's average residential price in July 2026 — running a smart speaker costs $8.83 a year. That is 84% more than the national average of $4.81. California's residential rate is up 2.9% from July 2025, which moves this appliance from $8.58 to $8.83 a year.

Per hour: 0.1¢
Per day of use: 2.4¢
Per month: 73.6¢
Per year: $8.83

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 California compares

California pays 33.61¢/kWh, the 2nd most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $4.02 more a year than the typical U.S. household pays for the same use. Running the same smart speaker costs $3.34 a year in Louisiana and $12.61 in Hawaii, so where you live changes this bill by $9.27 a year.

State	Rate	Per month	Per year
New York	29.90¢	65.5¢	$7.86
Massachusetts	30.49¢	66.8¢	$8.01
Maine	32.41¢	71.0¢	$8.52
California	33.61¢	73.6¢	$8.83
Hawaii	48.00¢	$1.05	$12.61

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

What else costs about the same in California

Toaster$11.78 a year in CA Vacuum cleaner$12.10 a year in CA Clothes iron$5.55 a year in CA

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 California?: About 73.6¢ a month, assuming 3 W, 24 hours a day, 365 days a year at 33.61¢/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?: California has the 2nd most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $4.81 a year.