How To Determine If Enough Sun For Solar Panels

You can use this data and the number of sun hours your town city gets to calculate how many solar panels you will need.

How to determine if enough sun for solar panels. The solar system size your home needs will depend on your electricity consumption and the climate of your region. Solar panel dimensions are on average about 3 by 5. Solar panels are rated in watts just like your light bulbs except in the case of solar panels they produce rather than consume electricity. Figure out how many.

Solar energy production is based on the panel size multiplied by the number of sun hours your roof receives. You would need a bit more than 3 such panels to produce 1 kwh meaning 84 of these panels are needed to produce 28kw of energy during one peak sun hour. How much sun do solar panels need. If x kws are required to supply y kwhrs yr do you first divide y by the number of hrs yr to get x and then multiply this number by the fractional number of sunlight hours in a 24 hour period.

Here s how to get a rough estimate. Simple online calculation tools will allow a homeowner to determine the average number of sun hours experienced in a particular location. Our solar professionals can help you determine the best placement for your panels. The average solar panel is around 17 6 square feet and produces 265 watts under direct sunlight per day.

Other factors can determine solar panel effectiveness such as roof direction shade or the climate where you live. Inversely with lesser sunlight hours more solar panels will be required. Measure your available roof space. However the power rating of panels can range from 250w to over 320w each based on size and brand.

To find your solar insolation simply click on insolation on horizontal surface average min max which is located in the second parameter parameters for sizing and pointing of solar panels and for solar thermal applications. Solar panels which are typically made of crystalline silicon and use a system of lenses or mirrors to maximize the light that reaches them create an electric current when exposed to sunlight which is then used to produce electricity. Email us at email protected and give us the location of your solar project. In addition to our sun hour map we do also have additional insolation data available for other parts of the world to determine how many peak sun hours you have to go solar.

If 4 hours then the multiply factor should be 6. You can find out how many solar panels your home needs by using our solar calculator. By dividing this average hourly wattage requirement by the number of sunlight hours daily at the location you calculate the watts your panels need to produce every hour. Take a look at your electricity bill to see how many kilowatts on average your home uses each month.

Other online calculators can determine the angle at which a. Solar panels are rated in kws.