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I think the correct term is solar systems. Solar panels are just one component of the whole system. Inverters and controllers are required to constantly control the flow of electricity to the house. It is a complicated process to take varying amounts of electricity coming from solar panels (which drop when a cloud covers the sun) and feed it into the house. At the same time, the house electrical demand is rapidly rising and falling every time you turn on an appliance. Third and forth components come when you add batteries or feed excess electricity back to the electrical grid.All those controllers must handle high electrical loads so they require expensive electrical components - not the average transistor, etc. used in your TV and computer. And don't forget the electrical codes to make everything 100% safe.It's not cheap to operate your own little power company at your house.
I think the correct term is solar systems. Solar panels are just one component of the whole system. Inverters and controllers are required to constantly control the flow of electricity to the house. It is a complicated process to take varying amounts of electricity coming from solar panels (which drop when a cloud covers the sun) and feed it into the house. At the same time, the house electrical demand is rapidly rising and falling every time you turn on an appliance. Third and forth components come when you add batteries or feed excess electricity back to the electrical grid.
All those controllers must handle high electrical loads so they require expensive electrical components - not the average transistor, etc. used in your TV and computer. And don't forget the electrical codes to make everything 100% safe.
It's not cheap to operate your own little power company at your house.
