Electrical energy from renewable sources; electrical energy; electrical energy from solar power; electrical energy from wind power; electrical energy from non-renewable sources.

Tracking and monitoring of energy consumption; energy price comparison services; procurement of contracts concerning energy supply; billing services in the field of energy; import-export agencies in the field of energy; tracking and monitoring energy consumption for others for account auditing purposes; promoting the benefits of energy efficient lighting technologies to professionals in the lighting field; assistance and consultancy services in the field of business management of companies in the energy sector; information, consultancy and advisory services in relation to all of the aforesaid.

Construction and installation services in relation to energy supply, distribution and storage facilities; installation of energy-saving apparatus; repair of energy supply, distribution and storage installations; construction of geothermal energy installations; construction of wave energy power plants; repair of energy production, distribution and storage plants and machines; maintenance and repair of energy generating, distribution and storage installations; maintenance and repair of wave energy power plants; information, consultancy and advisory services in relation to all of the aforesaid.

Storage, supply and distribution of energy; information, consultancy and advisory services in relation to all of the aforesaid.

Production of energy; generation of energy; leasing of energy generating equipment; generation of electricity from wind energy; production of energy by power plants; generation of electricity from geothermal energy; generation of electricity from solar energy; generation of electricity from wave energy; production of energy by nuclear power plants; information, consultancy and advisory services in relation to all of the aforesaid.

Advisory services relating to energy efficiency; energy auditing; programming of energy management software; advisory services relating to energy efficiency; research in the field of energy; consultancy in the field of energy-saving; engineering services relating to energy supply systems; design and development of energy management software; energy-saving (consultancy in the field of -); development of energy and power management systems; design and development of energy distribution networks; professional consultancy relating to energy efficiency in buildings; technical advice in connection with energy-saving measures; advisory services relating to the use of energy; providing technical advice relating to energy-saving measures; engineering services in the field of energy technology; professional consultancy relating to the conservation of energy; recording data relating to energy consumption in buildings; rental of meters for the recording of energy consumption; technological analysis relating to energy and power needs of others; technological consulting services in the field of alternative energy generation; technological consultancy in the fields of energy production and use; 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; design and development of software for control, regulation and monitoring of solar energy systems; provision of information concerning research and technical project studies relating to the use of natural energy.