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How Much Does a Smart Speaker Cost to Run?

At the current U.S. average rate of 18.8¢/kWh (April 2026), a smart speaker costs about $0.41 per month at typical usage — 24 hours/day (always on).

Per hour

0.1¢

at 2–8 W

Per day

1.4¢

24 hours/day (always on)

Per month

$0.41

2.2 kWh

Per year

$4.94

26 kWh

Smart speakers idle at 2–4 watts while listening for their wake word. Even a houseful of them costs only a dollar or two a month combined — convenience with a genuinely small footprint.

Calculate it for your home

Per hour

0.1¢

Per day

1.4¢

Per month

$0.41

Per year

$4.94

Uses 2.2 kWh/month at 18.8¢ per kWh.

Cheapest and most expensive states

Monthly cost at typical usage, using each state's current average residential rate.

North Dakota $0.27
Idaho $0.28
Nebraska $0.29
Oklahoma $0.29
Utah $0.29
U.S. average $0.41
New York $0.65
Massachusetts $0.65
Connecticut $0.70
California $0.77
Hawaii $1.02

Cost in every state

State Rate (¢/kWh) Per hour Per month Per year
North Dakota 12.4 0.0¢ $0.27 $3.26
Idaho 12.7 0.0¢ $0.28 $3.34
Nebraska 13.3 0.0¢ $0.29 $3.50
Oklahoma 13.3 0.0¢ $0.29 $3.50
Utah 13.3 0.0¢ $0.29 $3.50
Iowa 13.9 0.0¢ $0.30 $3.65
Montana 13.9 0.0¢ $0.30 $3.65
Missouri 14.0 0.0¢ $0.31 $3.68
Arkansas 14.2 0.0¢ $0.31 $3.73
Nevada 14.3 0.0¢ $0.31 $3.76
Louisiana 14.4 0.0¢ $0.32 $3.78
Washington 14.4 0.0¢ $0.32 $3.78
South Dakota 14.5 0.0¢ $0.32 $3.81
Wyoming 14.7 0.0¢ $0.32 $3.86
Tennessee 14.9 0.0¢ $0.33 $3.92
Kentucky 15.0 0.0¢ $0.33 $3.94
New Mexico 15.2 0.0¢ $0.33 $3.99
Florida 15.4 0.0¢ $0.34 $4.05
Georgia 15.4 0.0¢ $0.34 $4.05
Arizona 15.5 0.0¢ $0.34 $4.07
Kansas 15.8 0.0¢ $0.35 $4.15
Oregon 15.8 0.0¢ $0.35 $4.15
West Virginia 16.1 0.0¢ $0.35 $4.23
North Carolina 16.3 0.0¢ $0.36 $4.28
Minnesota 16.4 0.0¢ $0.36 $4.31
Colorado 16.5 0.0¢ $0.36 $4.34
Mississippi 16.8 0.1¢ $0.37 $4.42
Texas 17.0 0.1¢ $0.37 $4.47
South Carolina 17.1 0.1¢ $0.37 $4.49
Alabama 17.4 0.1¢ $0.38 $4.57
Virginia 17.4 0.1¢ $0.38 $4.57
Indiana 17.9 0.1¢ $0.39 $4.70
Delaware 18.8 0.1¢ $0.41 $4.94
Wisconsin 19.2 0.1¢ $0.42 $5.05
Ohio 19.5 0.1¢ $0.43 $5.12
Illinois 20.5 0.1¢ $0.45 $5.39
Michigan 21.4 0.1¢ $0.47 $5.62
Pennsylvania 21.5 0.1¢ $0.47 $5.65
Maryland 22.1 0.1¢ $0.48 $5.81
New Jersey 23.5 0.1¢ $0.51 $6.18
Vermont 24.6 0.1¢ $0.54 $6.46
Washington, D.C. 25.4 0.1¢ $0.56 $6.68
New Hampshire 27.2 0.1¢ $0.60 $7.15
Alaska 27.4 0.1¢ $0.60 $7.20
Rhode Island 28.3 0.1¢ $0.62 $7.44
Maine 28.4 0.1¢ $0.62 $7.46
Massachusetts 29.5 0.1¢ $0.65 $7.75
New York 29.5 0.1¢ $0.65 $7.75
Connecticut 32.2 0.1¢ $0.70 $8.46
California 35.3 0.1¢ $0.77 $9.28
Hawaii 46.6 0.1¢ $1.02 $12.25

How to lower the cost

  • Disable instant-on standby modes — they can idle at 10–20 watts around the clock.
  • Stream on a stick, not a console: the same show can use 10× less power.
  • Turn down screen brightness or enable the ambient light sensor.

Frequently asked questions

How much electricity does a smart speaker use?

A typical smart speaker draws about 3 watts in use. At 24 hours/day (always on), that works out to roughly 0.1 kWh per day, or 2.2 kWh per month.

How much does it cost to run a smart speaker for 1 hour?

At the current U.S. average residential rate of 18.8¢/kWh, one hour costs about 0.1¢. In North Dakota (12.4¢/kWh) it's 0.0¢, while in Hawaii (46.6¢/kWh) it's 0.1¢.

How much does a smart speaker cost to run per month?

With typical usage (24 hours/day (always on)), expect about $0.41 per month at the U.S. average rate — from $0.27 in North Dakota up to $1.02 in Hawaii. Rates are as of April 2026.

Does a smart speaker use a lot of electricity?

Not really — at typical usage it's under 1% of an average home's monthly consumption. Heating, cooling, hot water, and drying are the loads that move bills.

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