04
Electrical energy; natural gas; steam and geothermal steam
produced for industrial use
35
Management of companies producing and distributing energy
36
Financing of private and business power supply
installations; hire-purchase financing; financing services;
financial advisory services; preparation of energy cost
analyses
37
Installation, construction, maintenance, servicing and
repair of electrical energy and power generating apparatus,
equipment and installations; installation, maintenance and
repair energy conversion apparatus and power plants;
installation of energy-saving apparatus; installation,
maintenance and repair of power plants and electricity
networks; irrigation devices installation and repair;
construction, installation, maintenance and repair of
turbines wind turbines, wind stations and other wind turbine
machinery; construction, servicing and services for the
electricity networks; construction and operation of
installations for the production for district heating;
construction and operation of facilities of distribution of
biogas; electric energy supply for vehicles; construction
and servicing of tank systems for natural gas and biogas;
installation and maintenance of computer hardware for the
transfer of data for the remote reading of electricity
meters; installation of electricity, natural gas and heating
meters
39
Supply of electrical energy, gas, water and district
heating; storage of energy and fuels; rental of transport
networks for energy transit; delivery of biogas; public
utility services in the form of water supply; information
and advisory services in relation to the distribution of
energy; distribution of electricity to households; public
utility services in the form of provision of natural gas
40
Production and processing of fuel and other sources of
energy; generation of electricity from solar power, wind
power, hydroelectric power, biogas and geothermal power;
processing and transforming of energy; treatment of drinking
water, service water and waste water
42
Advice in the field of energy savings; consultancy relating
to technological services in the field of power and energy
supply; consultancy in the field of energy efficiency; water
analysis; monitoring of water quality
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