Inverters; Apparatus for converting electronic radiation to electrical energy, namely, PVT (photovoltaic thermal) module; Inverters for power supply; Photovoltaic cells; Photovoltaic cells also including a solar thermal collector sold as a unit; Photovoltaic cells and modules; Photovoltaic solar modules for production of electricity; Photovoltaic solar panels for the production of electricity; Photovoltaic systems that convert sunlight into electric and thermal energy