Energy production; leasing of energy generating equipment; Accumulators; chargers for batteries; photovoltaic solar modules for production of electricity; energy control devices, namely, electric control devices for energy management; electrical power distribution machines; control devices in the nature of user interfaces, namely, keyboards, electric control panels, and touchscreens for electrotechnical and electronic devices; batteries; Windmills; motors and engines for combined heat and power stations; steam engine boilers; gasoline engines not for land vehicles; gas turbine engines not for land vehicles; Distribution of energy; supplying consumers through the delivery of electricity, heat, gas and water; Telecommunication services, namely, providing wireless messaging services via the Internet and wireless communication networks; Electrical energy; Installation of energy-saving apparatus in the nature of photovoltaic cells, energy-efficient appliances, heating and cooling pumps and energy storage systems; installation of solar, thermal, photovoltaic, wind energy installations; charging of electric vehicles, batteries and accumulators; Financial advice and consultancy services; Arranging of buying and selling contracts with electricity suppliers; business data analysis services; business analysis, research and information services; economic forecasting; Heat pumps; gas boilers for heating; "DIGITAL ENERGY"; Advisory services relating to the use of energy, namely, technical consultation in the field of alternative energy generation and sourcing; software programming; technological consultancy and advisory services in the technology field of energy; research in the field of energy; technological consultancy relating to alternative energy generation; engineering services in the field of energy technology; developing of integrated energy concepts, namely, technical consulting in the field of integrated energy