7
Photovoltaic systems (machinery, enginery, machinery parts); thermal solar systems (machines for transformation of solar energy to thermal energy); hydrogen electrolysis equipment
9
Current distributors; distribution boxes (electricity); distribution boards (electricity); distribution cabinets, consoles, boards (electricity); solar panels; solar cells; distribution system cables; meters (electricity) and electric measuring devices; measuring tools; electric cells; electric connection equipment; electric collectors; electric fuses; electric connectors; electric switch panels; electric indicators (electricity meters etc); appliances to determine defects in electricity conduits; electricity conduits, including cables for conducting electricity; electric conductors; electric discharge tubes; insulated electric wires; voltage and current converters; electric leads; electric appliances included in this class; technical measuring appliances (measurers); control equipment for the operation of energy facilities; transformer stations; junction boxes and household circuit breaking boxes; electricity meters; batteries; photovoltaic systems (apparatus, instruments and their parts); electricity and energy storage units
11
Heat storage (accumulative) appliances
37
Construction, alterations and demolition of structures; construction, installation, repair and maintenance of energy equipment; construction of energy facilities; structural engineering; installation and repair of electric machinery and apparatus and equipment; repair and installation of measuring and control technology; repair and installation of meters; testing of electrical equipment and pressure equipment; installation, repair, maintenance of dedicated electrical equipment; installation and repair of electric appliances; electrical wiring and fitting work; inspection of electrical equipment; modernization of energy equipment dispatch control technology
40
Electricity power stations and its operation; electric power generation, production of energy, including solar energy; operation of solar equipment on roofs (including the roofs of others); solar panel rental; operating power-plants and energy-generating installations in connection of production of electricity and heat; rental of electric appliances and equipment as rental of thermal solar systems, solar panels, thermal solar systems and other energy-generating installations; consultancy and technical services in the field of energy generation
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; technical consultancy in the field of energy; design of electric and electronic equipment; product quality control and assurance – electric distribution equipment and protection and work aids for such equipment; rental of electronic appliances and equipment, measuring and control technology; consultancy and technical services in the field of energy generation management; research and development; control activity - monitoring and reporting of capacity, states, failures and required information, critical events reporting provided by dispatch control and telecommunications technology equipment and technical devices to control electricity consumption