9 Apparatus, instruments and cables for electricity; photovoltaic apparatus and installations for generating solar electricity; solar panels for the production of electricity; solar cells for electricity generation; inverters, especially photovoltaic inverters; current rectifiers; voltage converters; intelligent gateways for real-time data analysis; surveying, electrical, optical, weighing, measuring, signaling, control, regulation, monitoring apparatus for photovoltaic installations; surveying, electrical, optical, weighing, measuring, signaling, control, regulation, monitoring instruments for photovoltaic installations; surveying, electrical, optical, weighing, measuring, signaling, control, regulation, monitoring sensors for photovoltaic installations; data processing equipment and computers for photovoltaic installations; photovoltaic cells, modules, assemblies and installations; electronic control and regulating apparatus for solar power installations (included in this class); software and control programs for controlling, regulating and monitoring solar power installations