4
Electrical energy from wind power; Electrical energy; Electrical energy from renewable sources
7
Wind-powered electricity generators; Generators for wind turbines; Generators; Generating plant; Power installations [generators]; Gears, other than for land vehicles; Gear train parts, other than for land vehicles; Gears for machines; Gear units for machines; Gear motors other than for land vehicles; Turbines for power generation
37
Construction of wind power plants; Maintenance and repair of wind power plants; Repair services for electric generators and wind turbines; Maintenance, servicing and repair of power generating apparatus and installations; Repair of power generating apparatus and installations; Maintenance of power generating apparatus and installations; Servicing of power generating apparatus and installations; Installation of power generating apparatus; Installation of plant; Plant maintenance; Interference suppression in electrical apparatus; Plant refurbishment; Advisory services relating to the installation of generators; Installation of electrical and generating machinery; Power infrastructure construction; Maintenance and repair of energy generating installations; Repair of energy production plants and machines; Maintenance and repair of gears; Repair of turbines; Offshore construction; Advisory services relating to the installation of power plants; Construction of power plants
40
Generation of electricity from wind energy; Electricity generating; Production of electrical power from renewable sources; Generation of power; Energy production; Production of energy by power plants
42
Designing of electrical systems; Design and development of regenerative energy generation systems; Development of energy and power management systems; Engineering services in the field of energy technology; Engineering services relating to energy supply systems; Technological consultancy in the fields of energy production and use; Technical design and planning of power stations