Construction of solar thermal panels structures; installation, maintenance and repair of energy generation equipment; installation, maintenance and repair of solar collectors; installation, maintenance and repair of solar installations for generating power; maintenance and repair of heating installations; installation of wind and solar power installations and of plants for generating renewable energy, including plant-related measuring apparatus; installation of geothermal energy based power plants for the production of renewable energy, heating equipment installation and repair; installation and maintenance of solar energy based power plants; installation and maintenance of solar thermal installations; Installation and maintenance of wind parks; repair and maintenance of wind power plants; installing, servicing and repairing of fuel cell systems; installation, maintenance and repair of windmills and wind turbines; installation, maintenance and repair of electric generators, heat transport and heat distribution plants and cogeneration plants and combined heat and power plants, including plant-related measuring apparatus; pipeline laying; installation of electrical systems for generating renewable energy; installation of electrical and generating machinery for solar power and thermal energy, heating construction technology, air conditioning technology and ventilation construction technology, in the form of installation, maintenance and servicing; building, installation, repair, servicing, maintenance, inspection prior to maintenance and repair of plants for generating renewable energy, of systems and machines for generating renewable energy in the field of renewable energy, solar collectors and solar modules for generating electricity [photovoltaic installations] and parts therefor; construction work for erecting installations for generating energy and gas, in particular installations for generating electrical and thermal energy from renewable energy sources, including wind energy, hydropower, solar energy, geothermal heat and biomass, and installations for generating biogas from biomass and recyclable materials; providing information in relation to the construction of wind power plants and plants for generating renewable energy, including powered by biomass, biogas (including being obtained from organic waste), geothermal heat, solar-thermal plants, solar collectors and solar modules for generating electricity [photovoltaic installations] and hydropower plants; building construction supervision in relation to wind and solar power plants and in relation to plants for generating renewable energy, including powered by biomass, biogas (including being obtained from organic waste), geothermal heat, solar-thermal plants, solar collectors and solar modules for generating electricity [photovoltaic installations] and hydropower plants; installation of computer systems [hardware] for IT and data security for wind and solar parks and renewable energy production plants; installation, maintenance and repair of computer hardware and telecommunications equipment for IT and data security for wind and solar parks and renewable energy production plants; rental and leasing of charging stations for electric vehicles and electric bicycles; services of charging stations; maintenance and servicing of electric vehicles and electric bicycles, in particular charging, replacement and maintenance of batteries; maintenance of computer hardware, including for capturing, compiling, interpreting, evaluating, storing, transmitting of sensor-captured measurement data for the field of smart household technology, and for networking, programming, controlling, remotely controlling, monitoring and regulating gas, power, district heating, local heating and water lines, air conditioning, heating and thermal plants, surveillance systems and access control systems.

Electricity storage service; transportation and storage of waste; Rental of installations for distribution of electrical energy and natural gas to residential and commercial users; transport, distribution, storage and providing of energy, in particular electricity, gas, biogas, heat, biomass, solar energy, wind energy, thermal energy and water; transportation consultancy to transport equipment for solar thermal panel installations; distribution of electrical energy and natural gas to residential and commercial users; energy supply and energy distribution in connection with electricity, gas, water and steam, for others; energy supply for motor vehicles and electric bicycles, in particular by means of conveying, transporting and distributing electrical energy via supply networks; providing (distribution) of electrical energy by means of fuel cells.

Generating energy, in particular electricity and heat, and energy carriers from renewable energy sources, including generating plant oil from agricultural products, including rapeseed or sugar; generating biogas, including being obtained from organic waste; rental of heat generating thermal panel installations; Rental of biogas generating installations, including being obtained from organic waste, water, electricity and steam; generation of electricity from solar, water and wind power; production of electrical power from renewable sources.

Technical consultancy services in the fields of energy consumption and usage conservation to improve energy efficiency; design and development of energy management software; providing technology information field of alternative energy generation; research and development in the field of wind energy; drafting and development of photovoltaic systems and wind turbines; engineering in the field of solar energy projects and wind power projects; research and development in the field of photovoltaic solar energy and wind turbines; research and development in the field of solar thermal energy; ; technical development, technological consultancy and control of projects (project management) in the field of renewable energies, including wind, solar and bioenergy; technical consultancy in the field of production of renewable energy offered to franchises; technological consulting services in the field of alternative energy generation, technological consultancy relating to environmentally friendly energy, consultancy relating to energy saving, engineering, in particular relating to energy saving, measuring and control engineering in the field of heating technology; technical planning of energy supply concepts, for others, including designing of stations for networking and converting renewable energy; design of renewable energy transmission lines; providing technological information for operators of renewable power installations; engineering in the field of the production, transformation, storage, installation of solar electrical energy devices, of hybrid or non-hybrid renewable energy devices powered by conventional energy, of wind energy devices or biomass energy devices; conducting technical project studies for plants for generating renewable energy, in particular from wind and solar power, as well as biogas, in particular of site appraisal; industrial analysis and research services, in particular feasibility and design studies in the field of construction, repair, operation, installation and management of permanent plants, in particular plants for generating renewable energy as wind and solar power and biogas; technical project studies and technological consultancy in authorisation procedures for the construction of plants for generating renewable energy, in particular wind energy, solar energy and bioenergy; technical planning and technological consultancy in the field of energy and heat supply, technical development of equipment in the nature of designing equipment used in the renewable energy field, construction drafting; design and development of software for control, regulation and monitoring of solar energy and wind power systems; Monitoring parameters of solar thermal power generators, and cogeneration power plants and combined heat and power plants, including measurement apparatus; engineering services, namely conducting studies and technical projects in the fields of energy technology, renewable energies, in particular solar, hydro and wind energy, biomass, biogas, including being obtained from organic waste, geothermal heat, solar collectors and solar modules for generating electricity [photovoltaic installations] and solar-thermal installations; technological consultancy in relation to the design, installation, operation, management and monitoring of plants for generating renewable energies, including from solar, hydro and wind energy, biomass, biogas, including being obtained from organic waste, geothermal heat, solar collectors and solar modules for generating electricity [photovoltaic installations] and solar-thermal installations; design and development of computer software for use in relation to the monitoring of plants for generating renewable energies, including from solar, hydro and wind energy, biomass, biogas, including being obtained from organic waste, geothermal heat, solar collectors and solar modules for generating electricity [photovoltaic installations] and solar-thermal installations; research and development for others in the field of renewable energy; computer system analysis for use in connection with monitoring installations for generating renewable energy; digitization of documents; software as a service [SaaS] for use in connection with monitoring installations for generating renewable energy; cloud computing for use in connection with monitoring installations for generating renewable energy; consultancy in the field of computer data security; computer software design; programming of energy management software; IT security services in the nature of protection and recovery of computer data; engineering project management services in the field of fuel cells and solar energy and wind energy systems; data security services [firewalls]; data security consultancy; design and development of electronic data security systems; installation, maintenance and repair of software for computers for IT and data security for wind and solar parks and plants for the generation of renewable energy; monitoring of computer systems, including via the internet, for IT and data security for wind and solar parks as well as plants for the production of renewable energies to detect unauthorised access and data breaches; configuration of computer software for IT and data security for wind and solar parks; computer software support and IT consulting in the field of cloud computing networks and applications; IT services, namely development, programming and implementation of software for IT and data security for wind and solar parks and plants for the production of renewable energies; development of IT and data security for wind and solar parks, rental of software and computer hardware and systems for IT and data security for wind and solar farms; computer analysis and diagnostics; computer programming, in particular programs in the field of energy optimisation, energy saving by means of energy efficiency and building automation in the field of smart power networks, smart building technology and smart energy meters; installation and maintenance of application software (apps), technical development, technological consultancy and control of projects (project management) in the field of mobile energy supply and e-mobility, and with regard to electric service stations and charging stations for electric vehicles and bicycles; development of software for the management of charging stations for charging electric vehicles; research and development of technology in the field of electric vehicle energy storage and distribution; scientific and industrial research in the field of photovoltaics and solar collectors; research and development in the field of hydroelectric energy; research in the area of semiconductor processing technology; providing technological information for environmentally-conscious and green inventions in the field of solar powered vehicles; technological consultancy and project planning in relation to site development, planning, construction and installation of electric vehicle charging stations and charging stations and associated infrastructure, in particular in relation to supplying energy from a supply network and generating energy from renewable energy sources; rental of control and monitoring hardware and software for capturing and storing data relating to a wind power plant, a wind park, and a solar installation, solar park, and the surroundings thereof; computer software rental; rental of software for risk management and analysis; rental of software for it and data security for wind and solar parks.