4
Fuel gas; Natural gas; Liquid gases; Gases for use in heating; Electrical energy; Electrical energy from wind power; Electrical energy from solar power; Electrical energy from renewable sources; Electrical energy from non-renewable sources
9
Photovoltaic modules; Photovoltaic solar modules; Photovoltaic apparatus and installations for generating solar electricity; Photovoltaic apparatus for converting solar radiation to electrical energy; Boiler control instruments; Supercapacitors for energy storage; Ultracapacitors for energy storage; Solar batteries; Batteries, electric; Photovoltaic inverters; Energy regulators; Electric power analyzers; Accumulators for photovoltaic power; Converters, electric; Power line conditioners; Boiler control instruments; Apparatus for improving power efficiency; Energy control devices; Voltage regulators for electric power; Solar energy collectors for electricity generation; Solar cells for electricity generation; Apparatus and instruments for switching electricity; Apparatus for monitoring electrical energy consumption; Electrical power distribution blocks; Thermal energy measuring apparatus; Optical fibres [light conducting filaments]; Electric control devices for energy management; Apparatus and instruments for accumulating and storing electricity
11
Solar lamps; Solar water heaters; Air-conditioning apparatus; Portable air conditioners; Valves for air conditioners; Boilers; Electric boilers; Gas boilers; Boilers for use in heating systems; Gas boilers for water heating; Burners for boilers; Feeding apparatus for heating boilers; Gas fired boilers for producing domestic hot water; Boilers being parts of central heating installations; Fuel economisers; Gas heat generators; Gas scrubbers [parts of gas installations]; Gas condensers, other than parts of machines
19
Double glazing units (Non-metallic -); Plastic window frames; Door frames, not of metal; Window glass; Windows, not of metal; Building materials, not of metal; Arbours [structures]
35
Billing services in the field of energy; Energy price comparison services; Procurement of contracts concerning energy supply; Import-export agencies in the field of energy; Assistance and consultancy services in the field of business management of companies in the energy sector; Tracking and monitoring energy consumption for others for account auditing purposes; Advertising; Business management; Business administration; Office functions; Retail and wholesale services in relation to: Photovoltaic modules; Retail and wholesale services in relation to: Photovoltaic solar modules; Retail and wholesale services in relation to: Photovoltaic apparatus and installations for generating solar electricity; Retail and wholesale services in relation to: Photovoltaic apparatus for converting solar radiation to electrical energy; Retail and wholesale services in relation to the following goods: Boiler control instruments; Retail and wholesale services in relation to: Air conditioners; Retail and wholesale services in relation to: Heating boilers; Retail and wholesale services in relation to: Boilers for heating installations; Retail and wholesale services in relation to: Gas boilers for water heating
36
financial consultancy and advisory services in the energy sector; Consultancy relating to financing of projects in the field of energy; Brokerage of financial investments in energy companies; Agencies for collecting gas utility payments; Agencies for collecting gas or electric power utility payments; Financial evaluation of development costs relating to the oil, gas and mining industries
37
Installation and maintenance of photovoltaic installations; Installation of photovoltaic cells and modules; Maintenance, repair and reconditioning of photovoltaic apparatus and installations; Servicing of industrial boilers; Cleaning of industrial boilers; Boiler repair services; Providing information relating to the repair or maintenance of boilers; Installation and repair of air-conditioning apparatus; Installation, maintenance and repair of air-conditioning apparatus; Plant maintenance; Repair or maintenance of boilers; Installation and maintenance of solar thermal installations; Maintenance and repair of heating apparatus; Maintenance and repair of ventilating apparatus; Maintenance and repair of refrigerating apparatus; Maintenance and repair of solar thermal installations; Maintenance of electronic or air conditioning systems; Maintenance and repair of energy generating installations; Maintenance and repair of air conditioning apparatus; Maintenance and repair of solar heating installations; Maintenance, servicing and repair of power generating apparatus and installations; Installation of energy-saving apparatus
39
Distribution of gas; Gas storage services; Electricity distribution; Supply of electricity; Storage of electricity and gas; Information and consultancy in relation to the distribution of electricity and gas; Storage of electricity and Electricity distribution; Consultancy services relating to the distribution of electricity; Leasing the use of power lines to third parties for the transmission of electricity; Rental of electric bicycles; Rental of electric kick scooters; Car parking; Car rental
40
Purification of gases; Incineration of gases; Gas production services; Refining of gas; Filtration of gases; Consultancy services relating to the generation of electrical power; Rental of electricity generators; Electric power generation; Production of electrical power from renewable sources; Clean energy production; Rental of boilers; Chemical treatment of boiler pipework
42
Design of solar photovoltaic systems; Research in the field of energy; Consultancy in the field of energy-saving; Providing technical advice relating to energy-saving measures; Recording data relating to energy consumption in buildings; Technical advice in connection with energy-saving measures; Scientific and industrial research in particular in the field of electricity; Development of energy and power management systems; Consultancy relating to technological services in the field of power and energy supply; Energy auditing; Programming of energy management software; Certification services for the energy efficiency of buildings; Professional consultancy relating to energy efficiency in buildings; Engineering services relating to energy supply systems