4
Electrical energy; Electrical energy from solar power; Electrical energy from wind power; Electrical energy from renewable sources
9
Photovoltaic apparatus for converting solar radiation to electrical energy; Solar cells; Solar panels; Photovoltaic inverters; Solar panels for electricity generation; Solar cells for electricity generation; Photovoltaic apparatus and installations for generating solar electricity; Photovoltaic solar modules; Solar panels for the production of electricity; Photovoltaic installations for generating electricity [photovoltaic power plants]; Crystalline silicon solar power cells; Photovoltaic cells; Calibrated photovoltaic reference cells; Photovoltaic apparatus for generating electricity; Supercapacitors for energy storage; Apparatus and instruments for accumulating and storing electricity; Apparatus and instruments for transforming the distribution of electricity; Apparatus and instruments for switching the use of electricity; Apparatus and instruments for conducting electricity; Apparatus and instruments for conducting the distribution of electricity; Apparatus and instruments for controlling electricity; Apparatus and instruments for switching electricity; Apparatus, instruments and cables for electricity
37
Installation of power generating apparatus; Construction of utility solar installations; Installation of electrical and generating machinery; Maintenance of power generating apparatus and installations; Repair of power generating apparatus and installations; Servicing of power generating apparatus and installations; Installation of residential solar panel power systems
39
Distribution of energy; Distribution of renewable energy; Electricity supply and distribution; Supply of electricity; Storage of electricity; Distribution and transmission of electricity; Electricity distribution; Consultancy services relating to the distribution of electricity
40
Consultancy services relating to the generation of electrical power; Energy production; Production of electrical power from renewable sources; Generation of power; Production of energy by power plants; Generation of electricity from solar energy; Electricity generating
42
Design and development of regenerative energy generation systems