35
Tracking and monitoring energy consumption for others for account auditing purposes; Billing services in the field of energy; Administrative data processing; Assistance and consultancy services in the field of business management of companies in the energy sector; Business project management; Operation of businesses [for others]; Business project management services for construction projects; Business management; Business management organisation; Procurement of contracts concerning energy supply; Business assistance, management and administrative services; Development of concepts for business economy; Analysis of company behaviour
37
Construction of utility solar installations; Maintenance and repair of solar power installations; Installation of residential solar panel power systems; Installation and maintenance of photovoltaic installations; Maintenance, repair and reconditioning of photovoltaic apparatus and installations; Installation of wind power systems; Construction of wind power plants; Maintenance and repair of wind power plants; Repair of energy production plants and machines; Plant maintenance; Maintenance services for industrial plants; Maintenance and repair of solar heating installations; Repair of heat recovery apparatus; Installation of solar heating systems; Installation of solar powered systems; Replacement of batteries; Repair of energy supply installations; Maintenance and repair of energy generating installations; Repair or maintenance of power generators; Renovation, repair and maintenance of electrical wiring; Installation and maintenance of solar thermal installations; Installation of non-residential solar panel power systems; Installation of electrical and generating machinery; Installation of heat exhaust systems; Services for the repair of heat exchangers; Mains laying; Maintenance of commercial electrical systems; Installation of thermal insulation for buildings; Building construction supervision services for building projects; Construction of geothermal energy installations; Power infrastructure construction; Construction project management services; Building, construction and demolition; Charging of batteries and power storage devices, and rental of equipment therefore
40
Recycling of electric batteries; Treatment of waste; Recycling and waste treatment; Rental of batteries; Rental of heating installations; Rental of power-generating equipment; Rental of wind-powered electricity generators; Consultancy services relating to the generation of electrical power; Generation of power; Electricity generating; Generation of electricity from solar energy; Production of electrical power from renewable sources; Generation of electricity from wind energy; Rental of equipment for the treatment and transformation of materials, for energy production and for custom manufacturing; Energy production; Production of renewable green energy
42
Design and development of software for control, regulation and monitoring of solar energy systems; Drafting and development of photovoltaic systems; Scientific research in the field of renewable energy; Design and development of regenerative energy generation systems; Technological consulting services in the field of alternative energy generation; Technological consultancy in the fields of energy production and use; Technical supervision and inspection; Computer programming for the energy industry; Programming of energy management software; Software as a service [SaaS]; Platforms for artificial intelligence as software as a service [SaaS]; Engineering services in the field of energy technology; Engineering services relating to energy supply systems; Engineering project management services; Technical project planning in the field of engineering; Technological engineering analysis; Engineering consultancy services; Provision of information concerning research and technical project studies relating to the use of natural energy; Recording data relating to energy consumption in buildings; Consultancy in the field of energy-saving; Energy auditing; Advisory services relating to the use of energy; Advisory services relating to energy efficiency; Consultancy relating to technological services in the field of power and energy supply; Development of energy and power management systems; Professional consultancy relating to the conservation of energy; Technological analysis relating to energy and power needs of others; Providing technical advice relating to energy-saving measures; Research and development services in the field of engineering; Technical data analysis services; Engineering services; Designing of electrical systems; Design of solar photovoltaic systems; Technical design services relating to electricity plants; Certification services for the energy efficiency of buildings; Science and technology services; Design and development of energy management software