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Solar System Sizer |
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System Sizing Worksheet
For a free energy needs assessment, call our solar experts at (800) 347-0070 or fax to (800) 482-7602
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| City, state, zip |
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| Site address (if different) |
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| Daytime phone |
email |
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Electrical Device
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Quantity
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X
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Device
Watts
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X
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Hours of
Daily Use
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X
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Day of Use
Per Week
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÷
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7
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Avg. Watt-Hours
Per Day
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The load correction factor is required as batteries are not 100% efficient and other losses occur in a system. We increase the load value by 30% to compensate for those losses.
|
Appliance
|
Watts
|
Appliance
|
Watts
|
Appliance
|
Watts
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Coffeepot
|
200
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Electric blanket
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2,000
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Compact fluorescent
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Coffee maker
|
800
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Blow dryer
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1,000–1,500
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Incandescent equivalents
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Toaster
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800–1,500
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Shaver
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15
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40 watt equiv.
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11
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Popcorn popper
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250
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WaterPik
|
100
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60 watt equiv.
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16
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Blender
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300
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Computer
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75 watt equiv.
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20
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Microwave
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600–1,700
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Laptop
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50–75
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100 watt equiv.
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30
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Waffle iron
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1,200
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PC
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200–600
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Ceiling fan
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10–50
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Hot plate
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1,200
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Printer
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100–500
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Table fan
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10–25
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Frying pan
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1,200
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System (CPU, monitor, laser printer)
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up to 1,500
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Electric mower
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1,500
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Dishwasher
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1,200–1,500
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Fax
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35
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Hedge trimmer
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450
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Sink disposal
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450
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Typewriter
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80–200
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Weed eater
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450
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Washing machine
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DVD Player
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25
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¼" drill
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250
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Automatic
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500
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TV 25" color
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150+
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½" drill
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750
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Manual
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300
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19" color
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70
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1" drill
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1,000
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Vacuum cleaner
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12" b&w
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20
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9" disc sander
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1,200
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Upright
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200–700
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VCR
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40–100
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3" belt sander
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1,000
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Hand
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100
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CD player
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35–100
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12" chain saw
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1,100
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Sewing machine
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100
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Stereo
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10–100
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14" band saw
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1,100
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Iron
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1,000
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Clock radio
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1
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7¼" circular saw
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900
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Clothes dryer
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AM/FM car tape
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8
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8¼" circular saw
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1,400
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Electric NA
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4,000
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Satellite dish/Internet
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30–65
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Refrigerator/freezer—Conventional Energy Star
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Gas heated
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300–400
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CB radio
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5
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23 cu. ft.
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540 kWh/year
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Heater
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Electric clock
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3
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20 cu. ft.
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390 kWh/year
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Engine block NA
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150–1,000
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Radiotelephone
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16 cu. ft.
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370 kWh/year
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Portable NA
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1,500
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Receive
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5
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Sun Frost
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Waterbed NA
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400
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Transmit
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40–150
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16 cu. ft. DC (7)
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112
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Stock tank NA
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100
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Lights
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12 cu. ft. DC (7)
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70
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Furnace blower
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300–1,000
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100W incandescent
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100
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Freezer—Conventional
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Air conditioner NA
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25W compact fluorescent
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28
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14 cu. ft. (15)
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440
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Room
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1,500
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50W DC incandescent
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50
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14 cu. ft. (14)
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350
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Central
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2,000–5,000
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40W DC halogen
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40
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Sun Frost freezer
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Garage door opener
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350
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20W DC compact fluorescent
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22
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19 cu. ft. (10)
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112
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