Does anyone know anything about solar panels?

We just recenlty purchased a bank owned home and the previous owners left no information behind regarding the solar panels which consume the whole south side of the house. We are not sure what they are hooked up to, how they work, how to tell if they are working or even how to use them. Finding someone in our area with expertise on solar panels is proving to be a challenge. Any suggestions or advice would be greatly appreciated.

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