Solar Panels Hours Per Day

In 2017 the average electricity consumption of a house in the us was 867kwh per month which is about 28kwh per day.

Solar panels hours per day.

If you have limited roof space the best recommendation is installing the most efficient solar panelsavailable. This will maximize the watts installed per square foot compensating the area limitation. This number obviously changes if you were to drill down and examine the peak sunlight hours on a daily basis because of the number of factors that can affect a solar panels ability. Let s estimate you get about five hours per day to generate that 30 kwh you use.

Or 30 kwh 5 hours of sun 6 kw of ac output needed to cover 100 of your energy usage. Sunny summer days lead to higher production than snowy winter ones but it averages out over the course of a year. Geography solar energy increases near the equator as it is closer to the sun. To tackle this question let s break down some numbers.

On average the state of idaho receives 4 92 daily peak sun hours. States like californiaor floridacan expect more clear and sunny days. While many areas of the u s. While your panels may receive an average 7 hours of daylight per day the average peak sun hoursmay actually be closer to 3 or 4.

Solar radiation peaks at solar noon when the sun reaches the highest point in the sky. So the kwh divided by the hours of sun equals the kw needed. A peak sun hour is typically defined as an hour of sunlight that offers 1 000 watts of photovoltaic power per square meter. Weather is also a factor.

But solar panels do not work at 100 efficiency. 5 hours x 290 watts an example wattage of a premium solar panel 1 450 watts hours or roughly 1 5 kilowatt hours kwh. Although your panels may get an average of 7 hours of daylight a day the average peak sun hours are generally around 4 or 5. Your solar panels will produce the most when the sun is directly above them at a 90 degree angle.

The us ranges from about 4 hours 6 hours of sunlight per day on average see the below map. At 1 63 m each solar panel can make around 1 45 kwh per day and 3 3 of them can make 4 79 kwh day pretty dang close to the 4 75 kwh again on average. The number of peak sun hours you get per day increases the closer you are to the equator and typically during the summer months. Will have practically the same total daylight some states may only average two peak sun hours per day while others will average as many as seven.

Whether this happens for several hours straight or intermittently throughout the day my installation s total maximum voltage hours are those peak sunlight hours added together.