9
Solar cells; Solar cells for electricity generation
11
Heating installations; Heat pumps; Heat pumps for energy processing; Heating apparatus; Heat regenerators; Heat accumulators; Cooling appliances and installations
37
Installation of power generating apparatus; Installation of electrical and generating machinery; Installation of residential solar panel power systems; Installation of non-residential solar panel power systems; Servicing of power generating apparatus and installations; Repair of energy supply installations; Maintenance and repair of energy generating installations; Repair of energy production plants and machines; Repair of power generating apparatus and installations; Maintenance of power generating apparatus and installations; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Maintenance and repair of heating; Heating contractor services; Installation of boilers; Repair of heat recovery apparatus; Maintenance and repair of heat tracing; Maintenance and repair of geothermal installations; Installation of heating and cooling apparatus; Maintenance and repair of cooling appliances and installations; Advisory services relating to the installation of heating and cooling apparatus
39
Distribution of energy; Distribution of energy for heating and cooling buildings; Electricity supply and distribution; Storage of electricity; Information and advisory services in relation to the distribution of energy; Consultancy services relating to the distribution of electricity; Providing information relating to the distribution of electricity; Distribution of heat; Heat supplying [distribution]
40
Energy production; Electricity generating; Generation of electricity from solar energy; Leasing of energy generating equipment; Rental of power-generating equipment; Rental of electricity generators; Consultancy services relating to the generation of electrical power; Generation of electricity from geothermal energy; Rental of heating apparatus; Rental of cooling apparatus and installations
42
Consultancy in the field of energy-saving; Advisory services relating to the use of energy; Advisory services relating to energy efficiency; Engineering services in the field of energy technology; Technological consultancy in the fields of energy production and use; Design and development of regenerative energy generation systems; Conducting research and technical project studies relating to the use of natural energy; Consultancy relating to geological surveys; Earth science services; Geological probing of building plots; Technological consultancy in the field of geology