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.
Here is a review of 4 different kinds of LED solar lights by Gigalumi. Of course these are weatherproof as well so you can leave it in the rain. I hope you like this …
You should not consider investing in green energies unless you are ready to spend at least fifteen years in your home. Paying off your solar energy system will take you years and the return on your investment will depend on how long you stay in the same home and keep using the solar energy system.
You should assess how much energy you need for your household before investing in a solar energy system. You will get the most out of your solar energy system if it is powerful enough to cover all your energy needs and allows you to sell a small quantity of power to the main grid.