1
Hydrogen
4
Hydrogen fuel; Electrical energy from renewable sources; Electrical energy
9
Apparatus and instruments for accumulating and storing electricity; Apparatus for improving power efficiency; Electric power distribution apparatus; Photovoltaic apparatus for converting solar radiation to electrical energy; Photovoltaic apparatus for generating electricity; Energy control devices; Electricity storage apparatus; Solar cells for electricity generation; Apparatus, instruments and cables for electricity
35
Advertising, marketing and promotional services; Procurement of contracts concerning energy supply; Energy price comparison services; Assistance and consultancy services in the field of business management of companies in the energy sector
37
Charging of batteries and power storage devices, and rental of equipment therefore; Power infrastructure construction
39
Distribution of energy; Electricity distribution; Information and advisory services in relation to the distribution of energy; Storage of energy and fuels
40
Production of electrical power from renewable sources; Energy production; Generation of electricity from solar energy; Generation of electricity from wind energy; Generation of power
42
Science and technology services; Development of energy and power management systems; Measurement services; Design and development of energy management software; Drafting and development of photovoltaic systems; Advisory services relating to the use of energy; Research in the field of energy; Design and development of regenerative energy generation systems; Engineering services in the field of energy technology