4
electrical energy from renewable sources; electrical energy from non-renewable sources; biomass fuel
7
apparatus for the generation of electricity; heat recovery devices [parts of machines]; hydraulic tools; pumps [machines]; engines, powertrains, and generic machine parts; machines for use in the processing of water
9
optical, weighing, measuring, signalling, checking (supervision), apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; solar batteries; solar energy collectors for electricity generation; photovoltaic apparatus and installations for generating solar electricity; solar cells and solar modules for electricity generation; computer software; data processing equipment
11
apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
16
advertising pamphlets; promotional publications; pamphlets; catalogues; calendars; writing stationery; stationery; notepads; document folders in the form of wallets; stickers [stationery]; gift cards; teaching materials [except apparatus]; bags made of plastics for packaging; paper bags and sacks
35
assistance and consultancy services in the field of business management of companies in the energy sector; business management and enterprise organization consultancy
37
construction services; repair or maintenance of power distribution or control machines and apparatus; machinery installation, maintenance and repair; installation of apparatus for air-conditioning; maintenance and repair of air conditioning apparatus; hydraulic construction services
39
electricity supply and distribution; storage of electricity; information and advisory services in relation to the distribution of energy
40
energy production; production of electrical power from renewable sources; rental of power-generating equipment; consultancy services relating to the generation of electrical power; soil, waste or water treatment services; air purification; rental of water and air purification equipment; rental of space heating apparatus
42
scientific research; industrial analysis services; design and development of energy distribution networks; technical consultancy services relating to civil engineering; technical consultancy services relating to structural engineering; engineering design; design services and technological consultancy; design and development of new technology for others; environmental testing; consultation in environment protection; environmental monitoring services