Electricity meters, gas meters, water meters, electrophoretic and plasma displays and display units, optical readers for displaying energy consumption; apparatus and instruments for conveying, switching, transforming, storing, regulating and controlling electricity; energy, electricity, gas, heat and water counters and component parts thereof; apparatus and computers for recording and transmitting energy consumption data for use in invoicing energy consumption and related services for power supply companies; apparatus for inputting, transferring and processing measurement values and data, meters; calculators and computers; databases, namely, hardware and software for organizing, memorizing and accessing data; hardware and software for storing data and for facilitating its recovery and archiving; computer memory, namely, hardware and software for data compilation and saving; computer software, particularly for the input, transfer and exploitation of data in energy supply networks, as well as for managing energy and energy customers, the collection of data on energy and on clients, the energy market and sector, the publication of reports on energy, energy invoicing and tariff-setting, for the calculation and breakdown of energy costs, the calculation and breakdown of taxes and administrative costs of the service provided to energy customers; electrical and electronic installations for remote control, remote metering, remote measurement and centralized remote control and components thereof for the invoicing and control of energy, the transfer, processing and storage of data

Measurement in the field of energy saving in connection with energy consumption in buildings; scientific analyses of data on energy; development, update and maintenance of software in the field of managing energy and energy customers, data collection on energy and on customers, energy market and trade, information on energy, energy billing and pricing, calculation, detailed breakdown of energy costs; technical planning of installations, namely, drawing up target specifications and technical reports related to computer hardware and software for data acquisition for management of energy and energy customers, the energy market and trading and the calculation and breakdown of energy costs; drawing up technical expert opinions concerning computer hardware and software for the collection of data on energy, energy customers, the energy market and energy trading; accreditation, certification, technical control, namely, technical testing and performance of technical or scientific tests by sampling of equipment, apparatus and installations all concerning the collection of data in the fields of energy, energy customers, the energy market and trading, energy usage, energy invoicing and tariff setting and the calculation and breakdown of energy costs; providing temporary use of non-downloadable computer software for fraud and violation detection in the field of managing energy and energy customers data, data collection on energy and energy customers, energy market and trade, information on energy, energy billing and pricing, and calculation and detailed breakdown of energy costs; technical planning of infrastructure for sales points, namely, planning of building automation, heating, ventilation and air conditioning systems, building telecommunications systems, and identification authorization and cash-free means of payment systems