4
Electric energy, solar energy, fuels, rapeseed oil for industrial purposes
9
Photovoltaic solar cells and photovoltaic solar installations, solar panels, apparatus for converting solar energy into electrical energy, electrical installation material, measuring and regulating instruments, air pressure gauges, moisture analysers, control devices for operating energy facilities, transformer stations, circuit protectors, electric power meters, batteries
11
Solar collectors (heating), cogeneration solar collectors, water heaters, heating dampers, water heaters (apparatus), heat exchangers, solar collector units, photovoltaic solar installations, heat pumps, conditioning air apparatus, reheaters for air and water, ventilation (air-conditioning) installations and apparatus
35
Cost price analysis, business information relating to the sale of electricity, advertising, business management assistance, business mediation and brokerage in the fields of energy, imports and exports of electricity, sales of electricity, trade in electricity, marketing, services relating to the consumption and supply of electricity for both suppliers and purchasers, and relating to their operation and business; invoicing of services, in particular electrical energy consumption, billing
36
Stockbroking, clearing (financial), financial analysis, financial information, financial consultancy, financial management, financial services, financial sponsorship, guarantees, capital investments, debt collection agencies, fund investments, financial consulting services, brokerage, factoring, leasing of real estate, property brokerage, real estate management, fiduciary, organisation of collections, solar equipment financing, rental of roofs for the installation of solar equipment, evaluation of financial and monetary services, roof brokerage
37
Construction, alterations to and demolition of structures, construction, installation, repair and maintenance of energy equipment, construction and operation of energy facilities, structural engineering, installation and repair of electric machinery and apparatus and equipment, repair and installation of measuring and control technology, testing of electrical equipment and pressurised equipment, repair and installation of dispatch control and telecommunications technology equipment and technical devices to manage electricity consumption, assembly, repair and maintenance of dedicated electricaul equipment, installation and repair of electrical appliances, electrical wiring, servicing of electrical equipment, modernization of energy equipment, dispatch control technology, construction and installation services, installation and servicing of photovoltaic (solar) power stations and systems, construction services, information on servicing and construction and installation, installation and repair of measuring and control technology, installation, repair and maintenance of electrical and electronic equipment, installation and repair of heating and ventilation systems
39
Transport and storage, in particular of electricity, distribution and supply of energy - electricity, thermal energy, including management of the distribution grid, purchasing, distribution and selling of electricity, including the providing of services related to the supply, consumption or use of electricity; management of electricity distribution
40
Operation of small power stations, electric power generation, production of energy, including solar energy, operation of solar equipment on roofs (including the roofs of others), solar panel rental; transformer rental; management of electricity production
42
Engineering, project studies and design and construction in the field of energy and heating, electrical engineering, design of photovoltaic systems and thermal solar systems; author supervision, professional consultancy in the field of energy, design of electrical and electronic equipment, quality testing of products and verification of their quality - electrical distribution installations and protection and work aids for such equipment, research and development