4
Electrical energy; Electrical energy; Electrical energy from renewable sources; Electrical energy from solar power
7
Electricity generators; Wind turbines or wind-powered electricity generators and parts therefor, including blades or vanes; Gears, couplings, transmission components, turbines and motors and engines (all the aforesaid except for land vehicles); Construction machines
9
Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity
35
Management and operation of wind farms
36
Apartment house management; Rental of real estate and property; Real estate services; Valuation services; Real estate appraisal; Real estate management services relating to building complexes; Provision of information relating to the property market [real estate]; Real estate management; Real estate consultancy
37
Construction services; Repair, in relation to the following fields: Machinery and Wind and solar farms; Installation, assembly and maintenance (preservation) of machinery and installations for wind and solar farms
40
Generation of electricity and renewable energy; Conversion of energy
42
Scientific and technological services, and related research and design services; Industrial analysis and research services; Certification services for the energy efficiency of buildings; Professional consultancy relating to energy efficiency in buildings; Technical research; Research and conducting of technical projects relating to energy; Energy auditing; Consultancy in the field of energy-saving; Consultancy in the field of energy-saving; Technological consultancy relating to power generation and alternative energy; Research in the field of energy; Advisory services relating to the use of energy; Technological analysis relating to energy and power needs of others; Engineering in the field of energy production; Environmental consultancy services; Energy auditing; Computer programming for the energy industry; Programming of energy management software; Advisory services relating to energy efficiency; Engineering services in the field of energy technology; Development of energy and power management systems; Scientific and industrial research in particular in the field of electricity