Rainbow Solar - Energy Use Calculator

Rainbow Solar Load Evaluation Calculator

Enter the appliances that you use. Note that the final figure is only an estimate. Also the wattage provided is our estimate. Please feel free to input the exact wattage of your appliance if you know it’s Power Rating (Watts)

Appliance	Qty	Watts (V x A) Mult. * 1.5 for AC conversion	Hours On per Day	Watt Hours per Day






full appliance table
		Total Watt Hours per Day:
		Watt Hours Required Assuming Inherent Efficiency Loss:

		Kwh/mo

How many Peak Sun Hours do you get per day?

This gives you the annual average. If you will use your system during the winter, subtract 1.5 hours from the annual average to account for decreased sunlight during those months. This ensures your system will be properly sized to provide year-round power, even during darker months.

Sun Hours/Day

Minimum System Size:

Kilowatts

Approximate Solar Panel Wattage:

Approximate Number of Solar Panels Needed:

*For 20 Astronergy 270-watt solar panels to produce 5,400 watts..... 5,400 divided by 270(watts per panel) = number of solar panels needed.
NOTE: These figures are approximate and do not take into account the variable efficiency ratings of solar panels and off grid inverters. Please work with experienced Wholesale Solar staff to design a system which fits within your budget and can be expanded as needed.

Battery Bank Calculator

Let's calculate what battery size shall be required at your premises depending upon your average monthly electricity usage.

Kwh/mo

Lithium Battery Size:

kWh

Energy Use Report

Thanks for your answers. We've a good news! You will be saving a lot by with Rainbow Solar.

Your Average Electricity Usage	10 Kwh/mo
Suggested System Size	100 Kilowatts
Approximate Number of Solar Panels Needed	2
Recommended Lithium Battery Size	10 kWh

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Appliance	Watts	Appliance	Watts	Appliance	Watts
Kitchen		Satellite Dish	25	Humidifier	200
Blender	500	Stereo Receiver	450	Radiotelephone - Receive	5
Coffee Machine	1000	Video Game Console	150	Radiotelephone - Transmit	75
Dishwasher	1200-1500	Lights		Sewing Machine	100
Espresso Machine	800	CFL Bulb - 40 Watt Equivalent	11	Vacuum	1000
Freezer - Upright - 15 cu. ft.	1240 Wh/Day**	CFL Bulb - 60 Watt Equivalent	18	Note: TVs, Computers, and other devices left plugged in but not turned on still draw power. **To estimate the number of hours that a refrigerator actually operates at its maximum wattage, divide the total time the refrigerator is plugged in by three. Refrigerators, although turned "on" all the time, actually cycle on and off as needed to maintain interior temperatures.
Freezer - Chest - 15 cu. ft.	1080 Wh/Day**	CFL Bulb - 75 Watt Equivalent	20
Fridge - 20 cu. ft. (AC)	1411 Wh/day**	CFL Bulb - 100 Watt Equivalent	30
Fridge -16 cu. ft. (AC)	1200 Wh/day**	Compact Fluorescent 20 Watt	22
Kettle - Electric	1200	Compact Fluorescent 25 Watt	28
Microwave	1000	Halogen - 40 Watt	40
Oven - Electric	40	Incandescent 50 Watt	50
Toaster	850	Incandescent 100 Watt	100
Toaster Oven	1200	LED Bulb - 40 Watt Equivalent	10
Heating/Cooling		LED Bulb - 60 Watt Equivalent	13
Box Fan	200	LED Bulb - 75 watt equivalent	18
Ceiling Fan	120	LED Bulb - 100 Watt Equivalent	23
Central Air Conditioner - 24,000 BTU NA	3800	Office
Box FanCentral Air Conditioner - 10,000 BTU NA	3250	Desktop Computer (Standard)	200
Tankless Water Heater - Electric	1800	Desktop Computer (Gaming)	500
Window Air Conditioner 10,000 BTU NA	900	Laptop	100
Window Air Conditioner 12,000 BTU NA	1200	LCD Monitor	100
Well Pump - 1/3 1HP	750	Modem	7
Laundry		Paper Shredder	150
Clothes Dryer - Electric	3000	Printer	100
Clothes Dryer - Gas	1800	Router	7
Clothes Washer	800	Smart Phone - Recharge	6
Iron	1200	Tablet - Recharge	8
Living Room		Misc.
Bluray Player	15	Clock Radio	7
Cable Box	35	Curling Iron	150
DVD Player	15	Dehumidifier	280
TV - LCD	150	Electric Shaver	15
TV - Plasma	200	Hair Dryer	1500

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