Photovoltaic panels installed for your own use

Technically, yes, you can install solar panels on your own – but we strongly discourage you from doing so, unless you’re a certified installer. [pdf]

Why do photovoltaics use aluminum alloy brackets

When the steel bracket is connected to the aluminum photovoltaic panel frame, the aluminum photovoltaic panel frame is prone to galvanic corrosion, while the aluminum bracket avoids this phenomenon. [pdf]