4
Electrical energy from wind power; Electrical energy from solar power; Electrical energy from renewable sources; Electrical energy from non-renewable sources
39
Electricity supply and distribution; Supply of electricity; Leasing the use of power lines to third parties for the transmission of electricity; Distribution of energy; Distribution of electricity to households; Providing information relating to the distribution of electricity; Information and advisory services in relation to the distribution of energy; Distribution of energy for heating and cooling buildings; Storage of energy and fuels
40
Electricity generating; Generation of gas and electricity; Generation of electricity from solar energy; Generation of electricity from wave energy; Production of energy by power plants; Production of energy by nuclear power plants; Production of hydroelectric power; Production of electrical power from renewable sources; Generation of electrical power using carbon sequestration; Information and advisory services relating to the generation of electricity from wave energy; Generation of power; Rental of equipment for the treatment and transformation of materials, for energy production and for custom manufacturing