Use winter sunshine hours instead of summer hours whenever you are calculating how many solar panels you will need. This is because winter sunshine hours only add up to about half that of summer. It is better to overestimate how many panels you will need rather than underestimate. If you underestimate, you will end up losing power when you need it.
I decided to get Solar Panels in July of 2011, and now with almost 7 years of data, I thought I’d share my finding, and what you can expect if you decide to go with …
Your solar energy system needs to be exposed to the sun at all times. Most homeowners have their solar panels installed on their roof but you could also have some panels installed on your front lawn. Do not hesitate to cut a few trees to avoid shadows and have a professional help you determine the best place for your panels.
There is no need to tear apart your roof to use solar energy. You can make small switches like putting in solar powered outside lights. They charge their batteries during the day, switching on and providing illumination all night.