Hydrogen gas installations for the generation of electricity [gas power plants].

Construction; installation, maintenance and repair activities relating to hydropower, wind power, gas power plants, installation of electrical appliances, installation and repair of heaters and central heating appliances; construction, installation, maintenance and repair of biogas plants and biogas machines; power plant construction; construction of incineration plants; operation and maintenance services of power plants; construction; construction activities relating to industrial complexes; building services in connection with dam, reservoir and hydraulic power stations; building services; installation, repair and machining and maintenance of thermal, hydroelectric and nuclear installations.

Storage of captured carbon dioxide for others; transport of captured carbon dioxide for others; electricity distribution.

Processing of materials and substances, as well as processing of dry gas, natural gas and natural gas condensates, processing of petrochemical products; production of electric power and electricity; production of district heating; waste incineration; production of electricity, heat and energy; services related to the production of energy; gas purification; air purification; water treating; destruction of waste and trash; incineration of waste and garbage; production of hydrogen gas; generation of gas and electricity; processing of gas; refining of gas; carbon capture; generation of biogas; treatment of captured biogas; scrubbing of captured biogas.