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Energy Usage Guide

Have you ever wondered how much electricity your household items use? See how your home's appliances, electronics and lighting compare.


Active Mode (W)Hourly Cost ($/kWh)Typical Monthly Cost ($/mo)
Air Conditioner (central) - 3.0 ton, 10 SEER
3,600$0.49 $66.41
Air Conditioner (central) - 3.0 ton, 15 SEER2,400$0.33 $44.28
Air Conditioner (room) - 10,000 BTU1,020$0.14 $29.91
Air Conditioner (room) - 5,000 BTU510$0.07 $14.96
Aquarium (50 gallon)250$0.03 $24.89
Ceiling Fan, ENERGY STAR23$0.003 $0.28
Ceiling Fan, conventional34$0.005 $0.41
Dehumidifier (ESTAR)396$0.05 $7.35
Dehumidifier (Conventional)526$0.07 $9.75
Electric Blanket400$0.05 $13.09
Exercise Equipment - Treadmill 3 H.P.2,093$0.29 $2.85
Freezer - Upright/Chest 15.4 cu. Ft, ENERGY STAR31$0.004 $3.09
Freezer - Upright/Chest 15.4 cu. Ft, conventional34$0.005 $3.43
Furnace Fan (heating/cooling system) - 1/2 HP466$0.06 $12.95
Hair Dryer710$0.10 $5.43
Holiday Lights - 100 Large Bulbs (C9 LED)13$0.002 $0.19
Holiday Lights - 100 Large Bulbs (C9 Incandescent)700$0.10 $10.03
Holiday Lights - 100 Mini (LED)11$0.002 $0.16
Holiday Lights - 100 Mini (Incandescent)49$0.01 $0.70
Holiday Lights - 100 Small Bulbs (C7 LED)31$0.004 $0.44
Holiday Lights - 100 Small Bulbs (Incandescent)500$0.07 $7.16
Home Internet Router5.7$0.001 $0.57
Home Security Systems3$0.0004 $0.27
Iron1,100$0.15 $0.65
Lighting - 10.5 Watt LED10.5$0.001 $0.11
Lighting - 100 Watt Incandescent100$0.01 $1.02
Lighting - 23 Watt CFL23$0.003 $0.23
Lighting - 60 Watt Incandescent 60$0.01 $0.61
Lighting - 72 Watt Halogen72$0.01 $0.73
Modem5.6$0.001 $0.56
Refrigerator - Freezer 16.5-18.9 cu. ft.- Top Freezer, New ESTAR42$0.01 $4.22
Refrigerator - Freezer 16.5-18.9 cu. ft.- Top Freezer, New conventional47$0.01 $4.68
Refrigerator - Freezer 16.5-18.9 cu. ft.- Top Freezer (circa 2001-2010)70$0.01 $6.97
Refrigerator - Freezer 16.5-18.9 cu. ft.- Top Freezer (circa 1993-2000)110$0.01 $10.93
Refrigerator - Freezer 21.5-24.4 cu. ft. - Side by Side ENERGY STAR55 $0.01 $5.49
Refrigerator - Freezer 21.5-24.4 cu. ft. - Side by Side, new conventional61$0.01 $6.10
Refrigerator - Freezer 21.5-24.4 cu. ft. - Side by Side (circa 2001-2010)100$0.01 $9.96
Refrigerator - Freezer 21.5-24.4 cu. ft. - Side by Side (circa 1993-2000)156$0.02 $15.55
Vacuum Cleaner (canister)818$0.11 $3.39
Water Heating (Conventional Tank Water Heater, electric)1,192$0.16 $34.32

~ approximate value

Device Name
Active Mode (W)Idle Mode (W)Standby/OFF (W)Typical Monthly Cost ($/mo)
Air Purifier (ESTAR)300.6$2.23
Air Purifier (Conventional)1001$6.67
Amazon Echo32.80$0.30
Amazon Echo Dot43$0.30
Blu-Ray Player (ESTAR)10.551$0.17
Blu-Ray Player (Conventional)12.18.51$0.21
Cable Modem6.253.8$0.62
CD Player9.918.625.04$0.01
Cell Phone Charger3.682.240.26$0.09
Coffee Maker9751.14$4.15
Computer Desktop (ESTAR)271.80.8$1.81
Computer Desktop (Conventional)482.30.96$3.20
Computer Laptop (ESTAR)8.60.90.5$0.58
Computer Laptop (Conventional)151.20.6$1.00
Cordless Phone1.92.810.98$0.28
DVD Player (ESTAR)651$0.16
DVD Player (Conventional)107.91.3$0.22
Google Home320$0.20
HD DVR Set - Top Box23141$2.02
Keurig Coffee Makers1,2000.50.5$0.63
Microwave Oven1,09420$0.62
Printer - Ink Jet520.5$0.06
Printer - Laser Color13120.5$3.47
Roku41$0.16
Sound Bar30124$0.93
Swimming Pool Pump 1.5 HP, single speed (conventional)1,851$87.36
Swimming Pool Pump 1.5 HP, variable speed (ESTAR)800250$17.08
Television - 20" and under, conventional230.39$0.51
Television - 20" and under, ESTAR150.32$0.34
Television - 21" - 23", conventional250.35$0.55
Television - 21" - 23", ESTAR200.32$0.44
Television - 24" - 29", conventional290.33$0.63
Television - 24" - 29", ESTAR210.32$0.46
Television - 30" - 34", conventional350.32$0.75
Television - 30" - 34", ESTAR260.3$0.56
Television - 35" - 39", conventional460.34$0.98
Television - 35" - 39", ESTAR330.3$0.71
Television - 40" - 44", conventional540.33$1.15
Television - 40" - 44", ESTAR370.32$0.79
Television - 45" - 49", conventional690.31$1.46
Television - 45" - 49", ESTAR450.3$0.96
Television - 50" - 54", conventional740.3$1.56
Television - 50" - 54", ESTAR520.31$1.10
Television - 55" - 59", conventional870.3$1.83
Television - 55" - 59", ESTAR570.25$1.20
Television - 60" - 64", conventional880.31$1.85
Television - 60" - 64", ESTAR660.28$1.39
Television - 65" and greater, conventional1600.31$3.34
Television - 65" and greater, ESTAR740.24$1.55
Video Game System - Nintendo Wii U320.40.4$0.42
Video Game System - Nintendo Wii141.60.01$0.53
Video Game System - PlayStation 3851.10.01$0.98
Video Game System - PlayStation 41058.40.3$2.06
Video Game System - Xbox 360880.70.01$0.89
Video Game System - Xbox One8615.70.4$2.65


Active Mode (W)Cost Per Cycle ($/Cycle)Typical Monthly Cost ($/mo)
Clothes Dryer - Electric, ESTAR2,165$0.30 $6.91
Clothes Dryer - Electric, conventional2,735$0.37 $8.73
Clothes Washer (Top Loading w/ electric water heating), ESTAR2,991$0.31 $7.56
Clothes Washer (Top Loading w/ electric water heating), conventional4,777$0.49 $12.07
Clothes Washer (Front Loading w/ electric water heating), ESTAR2,308$0.24 $5.83
Clothes Washer (Front Loading w/ electric water heating), conventional2,987$0.31 $7.55
Dishwasher (w/ electric water heating), ESTAR603$0.17 $3.07
Dishwasher (w/ electric water heating), conventional686$0.20 $3.49


Sources: E Source, US Department of Energy, NRDC, ENERGY STAR®, State of Illinois Technical Reference Manual.
*Uses energy even when appliance is turned off.
This information is based on current annualized average monthly retail charges for ComEd electric delivery service and ComEd supply service at 13.64 cents per kilowatt-hour to residential customers in Illinois using rates applicable beginning with the June 2019 billing period. Actual savings may vary based on usage and rates. Specific factors such as equipment efficiency, hours of use, operating conditions, etc., can cause actual operating costs to vary. Many appliances “cycle” from a running to an idle mode affecting the amount of electricity they use.
© Commonwealth Edison Company, 2020. All Rights Reserved.
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