Amorphous silicon photovoltaic cells; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic solar hybrid modules; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic thermal module; Crystalline silicon photovoltaic cells; Electronic device for monitoring and optimizing photovoltaic arrays; Monocrystalline silicon photovoltaic cells; Organic photovoltaic cells; Photovoltaic cells; Photovoltaic cells and modules; Photovolta...