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; controllers for meters 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, transmitting 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 replacement parts therefor; calculators and computers; databases, namely, hardware and software for organizing, memorizing and accessing data; 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 use in invoicing and controlling energy, and for the transmission, processing and storage of data; downloadable software for inputting, transmitting and using data in energy supply networks; downloadable software for the management of energy and energy customers; downloadable software for the collection of data on energy, energy customers, and the energy trade and market; downloadable software for the publication of reports on energy, for 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 services provided to energy customers

Technical consulting in the field of energy usage management; consulting in the field of customer relationship management of energy customers; consulting concerning the compilation of data in the following fields: energy, energy customers, the energy trade and market, energy invoicing [ and tariff setting, ] and the calculation and breakdown of energy costs

Scientific measurement of energy consumption in buildings; scientific analysis of energy data; 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 collection of data on energy, 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; 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; development, updating and maintenance of software for the management of energy and energy customers, energy invoicing [ and tariff setting ], the calculation and breakdown of energy costs, and the compilation of data on energy, energy customers, and the energy market and trade