4
Electrical energy; Electrical energy from wind power; Electrical energy from solar power; Electrical energy from renewable sources
35
Procurement of contracts concerning energy supply; Tracking and monitoring energy consumption for others for account auditing purposes; Assistance and consultancy services in the field of business management of companies in the energy sector; Business project management; Business project management services for construction projects; Project studies for businesses; Business management; Business management consultancy and advisory services; Business administration and management; Business management and consultancy services; Analysis of company behaviour; Business assistance, management and administrative services; Administrative assistance in responding to calls for tenders; Book-keeping; Business acquisitions; Professional business consultancy; Advisory services for business management; Preparation of project studies relating to business matters
37
Maintenance and repair of wind power plants; Repair services for electric generators and wind turbines; Maintenance of power generating apparatus and installations; Repair of power generating apparatus and installations; Maintenance, servicing and repair of power generating apparatus and installations; Construction project management services; Installation and maintenance of photovoltaic installations; Maintenance, repair and reconditioning of photovoltaic apparatus and installations; Construction of utility solar installations; Maintenance and repair of solar power installations; Installation of residential solar panel power systems; Mains laying; Installation of power generating apparatus; Servicing of power generating apparatus and installations; Installation of electrical and generating machinery; Repair of energy supply installations; Power infrastructure construction; Construction of geothermal energy installations; Repair of energy production plants and machines; Maintenance and repair of energy generating installations; Construction of wind power plants; Installation of wind power systems; Construction of power plants; Advisory services relating to the installation of power plants; Installation of photovoltaic cells and modules
39
Distribution of energy; Distribution of renewable energy; Distribution of electricity to households; Storage of energy and fuels; Providing information relating to the distribution of electricity; Information and advisory services in relation to the distribution of energy; Electricity supply and distribution; Supply of electricity; Storage of electricity
40
Generation of power; Energy production; Clean energy production; Information and advisory services relating to the generation of electricity from wave energy; Generation of electricity from wind energy; Generation of electricity from solar energy; Production of energy by power plants; Production of electrical power from renewable sources; Electricity generating; Generation of electricity from wave energy
42
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; Technical design and planning of power stations; Drafting and development of photovoltaic systems; Engineering project management services; Technical project planning; Conducting technical project studies; Technical project planning in the field of engineering; Technical project studies in the field of construction; Conducting technical project studies for construction projects; Technical supervision and inspection; Research in the field of ecology; Technical research; Conducting of scientific studies; Preparation of technical studies; Engineering project studies; Technical research projects and studies; Design of land surveys; Programming of energy management software; Engineering services relating to energy supply systems; Technological consultancy in the fields of energy production and use; Consultancy relating to technological services in the field of power and energy supply; Conducting research and technical project studies relating to the use of natural energy; Technological consulting services in the field of alternative energy generation; Engineering services in the field of energy technology; Development of energy and power management systems; Design and development of energy management software; Design and development of regenerative energy generation systems; Technological analysis relating to energy and power needs of others