4
Electrical energy from wind power and solar power, electrical energy from non-renewable sources
7
Machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; machines, engines and motors used in power stations, parts and fittings for power stations in the form of generators, compressors, pumps, regulators (machine parts), turbines, current generators and superheaters as well as superchargers
9
Apparatus and instruments for the supervision, remote control, checking and measuring of electricity and energy consumption and for the operation of power stations; electric cables and connection equipment and transformers for the distribution and use of electricity and energy; data-processing equipment; computers, recorded computer programs, software; magnetic data carriers; solar batteries and solar cells for generating electricity and energy; surveying instruments within electricity and energy; detectors and alarm installations for industrial purposes and for use in energy production and distribution; fire-extinguishing apparatus; energy control devices; inverters for power supply
37
Building construction; drilling for oil, gas, coal or other natural resources for the production of power and energy products; mining extraction and drilling of wells; repair of installations for energy production; repair and maintenance of energy generating installations; repair and maintenance of power generating apparatus and installations; repair or maintenance of nuclear power plants, wind power plants and hydroelectric power stations; construction of wind power plants and hydroelectric power stations
38
Provision of telecommunication services; Transmission of information on-line; Telecommunication services; Telecommunications access services; Provision of on-line communications services; Providing access to databases; Multimedia messaging services; Providing access to and leasing access time to computer networks; Providing of access to websites and internet portals
39
Warehousing, storage and distribution of electricity, power, air, heat and cold, gas and oil as well as fuels; distribution and storage of energy products; storage of energy and fuels; electricity distribution; information and advisory services in relation to the distribution of energy
40
Processing and refining of oil, gas, natural energy sources and fuels for the production of energy and electricity, cold, heat and air; production of energy; leasing of energy generating equipment; consultancy services relating to the generation of electrical power; production of energy by nuclear power plants
42
Consultancy in the field of energy-saving; advisory services relating to the use of energy; engineering services in the field of energy technology; design and development of energy distribution networks; technological consulting services in the field of alternative energy generation; professional consultancy relating to energy efficiency in buildings; recording data relating to energy consumption in buildings; technological analysis relating to energy and power needs of others; design and development of regenerative energy generation systems; development of energy and power management systems; provision of information concerning research and technical project studies relating to the use of natural energy; consultancy services relating to nuclear engineering