4
Electrical energy from wind power; Electrical energy from solar power; Electrical energy from renewable sources
7
Wind turbines; Hydraulic turbines
9
Photovoltaic apparatus and installations for generating solar electricity; Apparatus and instruments for transforming electricity; Solar batteries; Electronic terminals for highway toll collection; Charging stations for electric vehicles; Charging docks
35
Procurement of contracts concerning energy supply
36
Agencies for collecting gas utility payments; Agencies for collecting electric power utility payments; Agencies for collecting gas or electric power utility payments
37
Installation of energy systems, Maintenance of energy installations; Installation of solar powered systems; Construction of geothermal energy installations; Installation of wind power systems; Installation of hydropower systems; Power infrastructure construction; Repair of energy supply installations; Maintenance and repair of solar power installations; Installation of electrical and generating machinery; Installation of reactive power compensation apparatus; Maintenance of power generating apparatus and installations; Installation of non-residential solar panel power systems
39
Electricity supply and distribution; Storage of energy and fuels; Information and advisory services in relation to the distribution of energy; Distribution of renewable energy; Electricity distribution via cables; Distribution of energy; Distribution of gas; Supply of electricity
40
Energy production; Leasing of energy generating equipment; Production of electrical power from renewable sources; Production of hydroelectric power; Production of energy by power plants; Generation of gas and electricity; Production of energy by nuclear power plants; Gas production services; Consultancy services relating to the generation of electrical power
42
research and development in the field of the energy industry, Consultancy in the energy sector; Consultancy in the field of energy-saving; Professional consultancy relating to the conservation of energy; Technological consultancy in the fields of energy production and use; Technical advice in connection with energy-saving measures; Providing information about the design and development of computer software, systems and networks; Design and development of regenerative energy generation systems; Design and development of software for control, regulation and monitoring of solar energy systems; Engineering drawing; Engineering design; Conducting research and technical project studies relating to the use of natural energy; Technological consulting services in the field of alternative energy generation