4
Electrical energy; Electrical energy from wind power; Electrical energy from solar power; Electrical energy from renewable sources; Electrical energy from non-renewable sources
39
Distribution of energy; Distribution of renewable energy; Distribution of electricity to households; Storage of energy and fuels; Providing information relating to the distribution of electricity; Information and advisory services in relation to the distribution of energy
40
Generation of power; Energy production
41
Booking of seats for shows; Reservation services for show tickets; Presentation of live performances; Conducting of cultural events; Sports officiating; Organising events for entertainment purposes; Production of live shows; Presentation of live performances by rock groups; Booking of sports personalities for events (services of a promoter); Vocational training services; Business training services
42
Programming of energy management software; Engineering services relating to energy supply systems; Technological consultancy in the fields of energy production and use; Technological consulting services in the field of alternative energy generation; Advisory services relating to the use of energy; Providing technical advice relating to energy-saving measures; Professional consultancy relating to the conservation of energy; Energy auditing; Advisory services relating to energy efficiency; Consultancy in the field of energy-saving; Technical advice in connection with energy-saving measures; Recording data relating to energy consumption in buildings; Design and development of regenerative energy generation systems; Consultancy relating to technological services in the field of power and energy supply; Provision of information concerning research and technical project studies relating to the use of natural energy