A wonderful place called ✨not Ebay✨
A company that will sell you solar panel cells and other materials need to build your very own solar panel is EverBright Solar. (this is only one company that sells solar panel material, there may be many more)
it gives energy for your house so its cheap and if you have remains you can sell it to the national grid
A solar panel is used to save energy when the sun shines on it
Solar systems get their energy from the sun. Solar energy is captured by a solar panel, or collector. This panel converts solar energy to electrical energy.
Batteries are not used in solar panel construction
Your question does not make sense. There is no such thing as "the opposite of a solar panel."
A specific list of solar panel prices can be obtained from a retail outlet that offers solar panels for sale. Any home and garden center such as Lowe's or Home Depot sell these items, and they often have several different models and installation packages to choose from.
with a solar panel
If you are looking to buy solar panels, they're are a handle full of companies that manufacture them. search the internet for companies that sell them.
Get a real solar panel and put a label on it stating "FAKE" ^_^
There are many ways one can build a solar panel. One can build a solar panel by making a template for solar cells, putting a frame together, and sanding the whole thing down.