4
Electrical energy; Electrical energy from renewable sources
7
Wind turbines; Solar power generators; Hydroelectric installations for generating electricity; Wind-powered electricity generators
9
Apparatus and instruments for accumulating and storing electricity
35
Procurement of contracts concerning energy supply
39
Distribution of renewable energy; Distribution of energy; Information and advisory services in relation to the distribution of energy; Supply of electricity; Electricity distribution; Providing information relating to the distribution of electricity; Storage of electricity
40
Generation of electricity from wind energy; Generation of electricity from solar energy; Production of hydroelectric power; Production of renewable green energy; Production of electrical power from renewable sources; Energy production; Generation of power; Electricity generating
42
Scientific research in the field of renewable energy; Engineering services in the field of energy technology; Technological consultancy in the fields of energy production and use; Scientific research in the field of electricity; Scientific and industrial research in particular in the field of electricity