4
Electrical energy from renewable sources; Electrical energy from non-renewable sources; Petroleum, raw or refined; Biofuels; Non- chemical fuel additives; Fuel; Fuels produced from waste treatment; Gas mixtures; Gases and fuels produced from waste treatment; Gases and fuels obtained from the recycling of plastics and the recovery of non-recyclable materials Gases for warming, heating and cooling, for lighting purposes, in the form of propellants and in the form of fuel gases; Gases for energy generation; Gases for incineration
37
Construction and repair of network installations and other energy storage and distribution systems, in the field of electricity, gas and water; Installation of systems for the production and distribution of energy; Power infrastructure construction; Repair of energy supply systems
39
Electricity supply and distribution; Gas supplying [distribution]; Pipeline transport of gases; Transmission of oil or gas through pipelines
40
Generation of gas; Generation of low carbon fuels; Generation of electricity; Generation of energy and heat; Treatment of materials using chemicals and/or by sorting of waste and recyclable materials and substances; Gas treatment; Recycling of waste and materials for the production of energy; Recycling of plastics and catalysts; Incineration of residues and waste; Sorting of waste and recyclable material [transformation]; Transformation and treatment of all kind of materials for energy production; Technical information and advice to others relating to energy production from renewable sources; Treatment of waste materials
42
Scientific and technological services and research and design services in the field of energy; Industrial analysis and research services in the field of energy; Design and development of hardware and software for the energy field; Research in the field of energy; Design and development of energy distribution networks; Advisory services relating to the use of energy; Research, development and technical consultancy in the field of generating and storing energy and heat and in the field of fuels and motor fuels in a solid, liquid or gaseous state