How many watts does a Wi-Fi router use?

Most Wi-Fi routers use 5–20 watts while running (typically about 10 W). At the U.S. average rate of 18.16¢/kWh, a typical one costs about $1.33 a month ($15.91 a year).

Running-watt figures cross-checked across 2 published sources · rates: EIA, August 2026 · reviewed 2026-11-04

Cost to run a Wi-Fi router: calculator

Pre-filled with typical figures. Use the wattage on your appliance's label for a closer estimate.

Running vs starting watts

Running watts are what it draws while operating; they drive your electricity bill. It has no significant start-up surge, so size a generator or power station on running watts alone.

SourceRunningStarting
Champion Power Equipment generator wattage chart10–20 W—
EcoFlow appliance wattage chart5–20 W—

Will a power station run it?

A 1,000 Wh power station would run a typical Wi-Fi router for about 85.0 hours (assuming 85% conversion efficiency). Look for at least 20 W continuous output. Check your power station or generator →

Cost by state

Based on 10 W for 24 hours a day, 365 days a year (88 kWh/yr).

Cost to run a Wi-Fi router in every state
StateRatePer monthPer year
Alabama16.33¢$1.19$14.31
Alaska29.41¢$2.15$25.76
Arizona15.05¢$1.10$13.18
Arkansas14.37¢$1.05$12.59
California29.75¢$2.17$26.06
Colorado17.17¢$1.25$15.04
Connecticut24.51¢$1.79$21.47
Delaware18.70¢$1.37$16.38
District of Columbia25.98¢$1.90$22.76
Florida14.99¢$1.09$13.13
Georgia15.90¢$1.16$13.93
Hawaii47.18¢$3.44$41.33
Idaho13.37¢$0.98$11.71
Illinois19.32¢$1.41$16.92
Indiana17.02¢$1.24$14.91
Iowa17.06¢$1.25$14.94
Kansas15.47¢$1.13$13.55
Kentucky13.80¢$1.01$12.09
Louisiana12.87¢$0.94$11.27
Maine32.11¢$2.34$28.13
Maryland21.40¢$1.56$18.75
Massachusetts30.48¢$2.23$26.70
Michigan22.99¢$1.68$20.14
Minnesota17.20¢$1.26$15.07
Mississippi14.43¢$1.05$12.64
Missouri16.02¢$1.17$14.03
Montana15.57¢$1.14$13.64
Nebraska13.54¢$0.99$11.86
Nevada12.72¢$0.93$11.14
New Hampshire27.64¢$2.02$24.21
New Jersey24.61¢$1.80$21.56
New Mexico16.51¢$1.21$14.46
New York28.65¢$2.09$25.10
North Carolina14.95¢$1.09$13.10
North Dakota13.31¢$0.97$11.66
Ohio19.38¢$1.41$16.98
Oklahoma14.82¢$1.08$12.98
Oregon15.92¢$1.16$13.95
Pennsylvania21.77¢$1.59$19.07
Rhode Island28.18¢$2.06$24.69
South Carolina15.76¢$1.15$13.81
South Dakota15.15¢$1.11$13.27
Tennessee13.42¢$0.98$11.76
Texas15.91¢$1.16$13.94
Utah13.31¢$0.97$11.66
Vermont23.84¢$1.74$20.88
Virginia17.64¢$1.29$15.45
Washington14.63¢$1.07$12.82
West Virginia16.31¢$1.19$14.29
Wisconsin19.41¢$1.42$17.00
Wyoming14.43¢$1.05$12.64

FAQ

How many watts does a Wi-Fi router use?

Most Wi-Fi routers use 5–20 watts while running (typically about 10 W). At the U.S. average rate of 18.16¢/kWh, a typical one costs about $1.33 a month ($15.91 a year).

How much does it cost to run a Wi-Fi router?

About $1.33 a month at the U.S. average rate (18.16¢/kWh, August 2026), based on 10 W for 24 hours a day, 365 days a year (88 kWh/yr). In the cheapest state it's about $0.93 a month; in the most expensive, $3.44.

How many kWh does a Wi-Fi router use?

About 88 kWh a year (7 kWh a month), based on 10 W for 24 hours a day, 365 days a year (88 kWh/yr).

Can a power station or generator run a Wi-Fi router?

A 1,000 Wh power station would run a typical Wi-Fi router for about 85.0 hours. Look for at least 20 W continuous output.

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Note: These are estimates. Real consumption depends on the exact model, its age, settings, room temperature and how you use it. For your exact number, check the appliance's label or measure it with a plug-in energy meter. Rates are August 2026 state averages from the EIA; check your bill for your actual rate. When powering appliances from a generator or power station, never exceed its rated output and follow the manufacturer's safety instructions.