Electricity meters, gas meters, water meters, electrophoretic, plasma displays and display units, reader units for displaying energy consumption; apparatus and instruments for supplying, switching, transforming, storing, regulating and controlling electricity; energy, electricity, gas, heat and water counters and component parts thereof; controllers for meters and component parts thereof; apparatus and computers used for invoicing energy consumption and related services for power supply companies; apparatus for inputting, transferring and processing measurement values and data for use in controlling the operation of energy consuming equipment; meters, namely, electricity meters, heat meters, gas meters, water meters, flow meters, return meters, and tariff meters and parts therefor; calculators and computers; databases, namely, hardware and software for organizing, memorizing and accessing data for use in energy supply networks, and for management of energy and energy customers, collection of data on energy and on its customers, the energy trade and market, publication of reports on energy, energy invoicing and tariff setting, for the calculation and breakdown of energy costs, and for the calculation and breakdown of the taxes and administrative costs of the service provided to energy customers ; downloadable software for inputting, transferring and using data in energy supply networks, and for management of energy and energy customers, collection of data on energy and on its customers, the energy trade and market, publication of reports on energy, energy invoicing and tariff setting, for the calculation and breakdown of energy costs, and for the calculation and breakdown of the taxes and administrative costs of the service provided to energy customers; electric and electronic installations and their component parts for remote control, remote metering, remote measuring and centralized remote control of telecommunications appliances and their component parts for invoicing and controlling energy, and for the transmission, processing and storage of data

Scientific measurement of energy consumption in buildings; scientific analysis of energy data; development, updating and maintenance of software for the management of energy and energy customers, the compilation of data on energy and energy customers, the energy market and trade, energy invoicing and tariff setting and the calculation and breakdown of energy costs; technical consulting concerning management of energy; consulting concerning management of energy customers, compilation of data on energy and its customers, the energy trade and market, information on energy, energy invoicing and tariff setting, calculation and breakdown of energy costs; development, updating and maintenance of software for management of energy and energy customers, the compilation of data on energy and customers, the energy market and trade, energy invoicing and tariff setting, calculation and breakdown of energy costs; technical planning of installations, namely, drawing up target specifications and technical reports in the domain of data acquisition for management of energy and energy customer management, collection of data on energy and on its customers, the energy market and trading, information on energy, calculation and breakdown of energy costs, namely, establishment of specifications; establishing of technical expert opinions concerning collection of data on energy, its customers, the energy market and energy trading. accreditation, certification, technical control, namely, technical testing, performance of technical or scientific tests by sampling of equipment, apparatus and installations all concerning energy and energy customers, collection of data on energy and on its customers, the energy market and trading, information on energy, energy invoicing and tariff setting, calculation and breakdown of energy costs; technical planning of infrastructure for sales points, namely, planning of building automation, heating, ventilation and air conditioning systems, telecommunications systems, and identification authorization and cash-free means of payment systems; calibration and testing of metering equipment