4
Electrical energy; Electrical energy from renewable sources; Electrical energy from non-renewable sources; Electrical energy from solar power; Electrical energy from wind power; Liquefied gas; Fuel gas; Natural gas; Compressed natural gas; Gases for use in heating; Liquefied natural gas
7
Current generators; Emergency power generators; Solar power generators; Electric power generators for ships; Electric power generators for emergency use; Mobile electrical power generators; Emergency power supply generators; Electric power generators using geothermal power; Electric power supplies [generators]; Power supply apparatus [generators]; Internal combustion engines for power generation; Hoses (Metal -) for transferring hydraulic power in machines; Hoses (Non-metallic -) for transferring hydraulic power in machines; Uninterruptible power supplies [machines] for the generation of electrical energy; Steam engine boilers for power generation, other than for land vehicles; Internal combustion engines for power generation, other than for land vehicles; Gear units, other than for land vehicles; Electrical generators using solar cells
9
Apparatus, instruments and cables for electricity; Condensers [capacitors]; Energy regulators; Power modules; Energy control devices; Electric power units; Power regulating apparatus; Power distributors [electrical]; Power dividers [electric]; Accumulators for photovoltaic power; Solar-powered rechargeable batteries; Electric power controllers; Inverters for power supply; Thermal energy measuring apparatus; Electric power supply units; Ultracapacitors for energy storage; Electrical power distribution blocks; Electricity storage apparatus; Electric power distribution apparatus; Switching power supply apparatus; Regulated power supply apparatus; Electric control devices for energy management; Uninterruptible electrical power supplies; Apparatus for diagnosing electrical power installations; Apparatus for monitoring electrical energy consumption; Apparatus for improving power efficiency; Low-voltage power supplies; Apparatus and instruments for conducting the use of electricity; Apparatus and instruments for accumulating the use of electricity; Photovoltaic apparatus for converting solar radiation to electrical energy; High-frequency switching power supplies; Solar energy collectors for electricity generation; Apparatus and instruments for regulating the distribution of electricity; Apparatus and instruments for transforming the use of electricity; Apparatus and instruments for controlling the distribution of electricity; Apparatus and instruments for switching the distribution of electricity; Apparatus and instruments for transforming the distribution of electricity; Apparatus and instruments for conducting the distribution of electricity; Apparatus and instruments for accumulating the distribution of electricity; Apparatus and instruments for regulating the use of electricity; Apparatus and instruments for controlling the use of electricity; Apparatus and instruments for switching the use of electricity; Photovoltaic apparatus and installations for generating solar electricity; Apparatus for measuring, monitoring and analyzing electricity consumption; Gasometers [measuring instruments]; Apparatus for monitoring gas consumption; Solar batteries; Solar modules; Solar cells; Photovoltaic solar modules; Solar wafers; Solar panels; Solar batteries for domestic use; Solar battery chargers; Solar panel arrays; Crystalline silicon solar power cells; Solar batteries for industrial use; Solar cells for electricity generation; Solar panels for the production of electricity; Portable solar panels for generating electricity; Charging docks; Charging stations for electric vehicles
11
Burners, boilers and heaters; Heating, ventilating, and air conditioning and purification equipment (ambient); Solar lamps; Solar powered torches; Solar powered lamps; Solar water heaters; Solar energy powered heating installations; Solar powered ventilation apparatus; Heat pumps for energy processing; Solar thermal collectors [heating]; Evacuated heat pipe solar collectors [heat exchangers]; Thermal storage instruments [solar energy] for heating; Gas boilers; Gas fired heating installations; Gas fired water heaters; Gas operated devices used in cooling; Gas operated apparatus for heating; Gas heat generators; Gas fired space heating apparatus; Gas fuelled central heating installations; Heating installations for use with gaseous fuels; Heating apparatus for gaseous fuels; Gas boilers for central heating; Gas boilers for water heating; Sunlight collecting apparatus for heating purposes
37
Installation of energy-saving apparatus; Installation of solar heating systems; Installation of solar powered systems; Construction of geothermal energy installations; Construction of wave energy power plants; Repair of energy supply installations; Construction of utility solar installations; Installation of residential solar panel power systems; Installation of non-residential solar panel power systems; Maintenance and repair of energy generating installations; Repair of energy production plants and machines; Maintenance and repair of wave energy power plants; Maintenance and repair of solar power installations; Repair or maintenance of power generators; Repair or maintenance of power distribution or control machines and apparatus; Maintenance and repair of solar heating installations; Services of electricians; Extraction of gas; Repair of gas supply systems; Emergency servicing of gas supply apparatus; Repair of sun protection systems; Installation of sun protection systems; Installation and maintenance of solar thermal installations
42
IT services; Science and technology services; Data duplication and conversion services, data coding services; IT consultancy, advisory and information services; IT security, protection and restoration; Development of systems for the processing of data; Provision of data centre facilities; Maintenance of data processing software; Design and development of data processing systems; Research in the field of data processing technology; Design of data processing apparatus; Design and development of data processing apparatus; Development of data processing apparatus; Data mining; Development of systems for the transmission of data; Data migration services; Design and development of data display systems; Design and development of data entry systems; Design and development of systems for data input, output, processing, display and storage; Design of data storage systems; Development of systems for the storage of data; Design and development of data storage systems; Data security consultancy; Certification of data via blockchain; IT service management [ITSM]; Design and development of electronic database software; IT project management; Providing information about the design and development of computer software, systems and networks; Research in the field of information technology; Outsource service providers in the field of information technology; Engineering services relating to computers; Computer analysis; Computer services for the analysis of data; Analytical services relating to computers; Administration of mail servers; Remote server administration; Administration of user rights in computer networks; Computer network services; Development of computer based networks; Computer network configuration services; Development of computer systems; Monitoring of computer systems by remote access; Computer system analysis; Integration of computer systems and networks; Computer system design and development; Computer project management in the field of EDP; Development of computers; Design of computer machine and computer software for commercial analysis and reporting; Computer diagnostic services; Diagnosing computer hardware problems using software; Computer design and programming services; Research relating to the computerised automation of administrative processes; Research relating to the computerised automation of industrial processes; Troubleshooting of computer hardware and software problems; Server administration; Research relating to data processing; Energy auditing; Advisory services relating to the use of energy; Advisory services relating to energy efficiency; Development of power assemblies; Research in the field of energy; Consultancy in the field of energy-saving; Development of energy and power management systems; Technological consulting services in the field of alternative energy generation; Programming of energy management software; Providing technical advice relating to energy-saving measures; Professional consultancy relating to energy efficiency in buildings; Engineering services relating to energy supply systems; Design and development of energy distribution networks; Professional consultancy relating to the conservation of energy; Design and development of regenerative energy generation systems; Technical advice in connection with energy-saving measures; Design and development of energy management software; Recording data relating to energy consumption in buildings; Rental of load banks for testing electrical power sources; Provision of information concerning research and technical project studies relating to the use of natural energy; Design and development of software for control, regulation and monitoring of solar energy systems; Conducting research and technical project studies relating to the use of natural energy; Consultancy relating to technological services in the field of power and energy supply; Technological analysis relating to energy and power needs of others; Engineering services in the field of electrical power and natural gas production