9
Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, gas and water; electrical power control apparatus; apparatus for the supply, regulation, transmission, control, accumulation and distribution of electricity; equipment and apparatus for operating energy measuring points and energy distribution points; electricity, gas and water meters; software, in particular in the field of energy management, the recording and optimisation of energy consumption; software for financial management and debt collection; computer software for inter-network accounting in the field of energy supplying
35
Services of an energy supply and water supply company, namely professional business consultancy in the field of energy purchasing, in particular the formation of procurement groups, the combining of purchasing groups or supply optimisation, the procurement, management and the buying and selling of energy, in particular trading in energy, the optimisation of energy supply for customers through needs-oriented compilation of energy products (energy portfolio management), including electricity products, district heating, oil, gas and/or water tariffs, including professional business consultancy in energy matters, with regard to energy trading and with regard to the transport and distribution of energy; professional consultancy for others in the field of the generation, conversion and use of electric energy, in particular in matters relating to the business management of energy installations, including installations for energy generation, energy distribution and energy use
39
Services of an energy and water supply company, namely distribution and supplying of energy and water to businesses, municipal areas and households
42
Technical consultancy for others in the field of the generation, conversion and use of electric energy, in particular in matters relating to the business management of energy installations, including installations for energy generation, energy distribution and energy use; development of technical energy concepts; energy management, namely environmental certification of businesses; scientific/technical analysis and technical consultancy for load management; analysis, presentation, checking and control of individual energy consumption within the framework of professional business consultancy (energy auditing)