4
Electrical energy; Electrical energy from non-renewable sources; Electrical energy from renewable sources
7
Power installations [generators]; Current generators; Portable electric power generators; Generating plant; Electric power supplies [generators]; Electric generator power sets
9
Electric power controllers; Thermal energy measuring apparatus; Apparatus for monitoring electrical energy consumption; Electricity storage apparatus; Apparatus and instruments for controlling electricity; Apparatus and instruments for regulating electricity; Apparatus and instruments for accumulating and storing electricity; Apparatus for measuring, monitoring and analyzing electricity consumption; Electrical power distribution blocks; Electric power distribution apparatus; Energy control devices; Apparatus and instruments for regulating the distribution of electricity; Apparatus and instruments for conducting the distribution of electricity; Instruments for distributing electrical current; Accumulators, electric; Electric power supply units
11
Gas fired back boiler units for domestic hot water systems; Gas fired back boiler units for domestic central heating; Heat accumulators; Heating apparatus, electric; Electrical heating elements; Heat pumps for energy processing; Thermal incineration installations; Temperature sensors [thermostatic valves] for central heating radiators; Electric discharge lamps
35
Procurement of contracts concerning energy supply; Billing services in the field of energy
36
Consultancy concerning financing of energy projects
37
Repair or maintenance of power distribution or control machines and apparatus; Repair of energy supply installations; Installation of power generating apparatus; Heating contractor services; Servicing of power generating apparatus and installations; Maintenance, servicing and repair of power generating apparatus and installations; Maintenance and repair of energy generating installations; Maintenance of power generating apparatus and installations; Repair of power generating apparatus and installations; Providing information relating to the repair or maintenance of power generators
39
Distribution of energy; Electricity supply and distribution; Distribution of energy for heating and cooling buildings; Distribution of renewable energy; Information and advisory services in relation to the distribution of energy; Electricity distribution; Consultancy services relating to the distribution of electricity; Providing information relating to the distribution of electricity; Distribution of electricity to households; Supply of electricity; Storage of energy and fuels
40
Energy production; Production of electrical power from renewable sources; Generation of power; Rental of power-generating equipment; Leasing of energy generating equipment; Consultancy services relating to the generation of electrical power
42
Development of power assemblies; Design and development of energy distribution networks; Engineering services in the field of energy technology; Advisory services relating to energy efficiency; Professional consultancy relating to energy efficiency in buildings; Technological analysis relating to energy and power needs of others; Consultancy in the field of energy-saving; Professional consultancy relating to the conservation of energy; Consultancy relating to technological services in the field of power and energy supply; Recording data relating to energy consumption in buildings; Advisory services relating to the use of energy; Engineering services relating to energy supply systems; Technological consultancy in the fields of energy production and use; Technical advice in connection with energy-saving measures; Providing technical advice relating to energy-saving measures; Product research and development; Technological consulting services in the field of alternative energy generation