4
Electrical energy; Electrical energy from renewable sources; Electrical energy from non-renewable sources; Hydrogen fuel; Fuel gas; Ethanol [fuel]; Biodiesel fuel
37
Charging of electric vehicles; Refuelling of hydrogen vehicles; Installation, repair and maintenance of charging stations for electric vehicles and Installation, maintenance and repair of the following goods: Refuelling stations for hydrogen vehicles; Installation, repair and maintenance of electric power stations, electricity distribution networks and power transformer stations; Installation and maintenance of photovoltaic installations; Installation of photovoltaic cells and modules; Maintenance, repair and reconditioning of photovoltaic apparatus and installations; Installation, repair and maintenance of networks for the distribution of gas, electricity and any other source of electric power; Construction, installation, repair and maintenance of electric power stations and buildings and installations therefor
39
Transport, distribution, supply and storage of electricity and energy; Rental of electric cars; Rental of apparatus for conducting, switching and accumulating electricity; Public utility services in the nature of electricity distribution; Supply of electricity; Electricity supply and distribution; Providing information relating to the distribution of electricity; Rental of hydrogen cars