04
Energy, in particular electrical energy (electricity); fuel
(in particular gas); thermal energy, namely heating oil,
wood heating pellets [fuel], gas oil and gases for heating
purposes for district and local heating; fuels, in
particular gas; earth gas (fuel)
06
Fuel storage installations of metal; metal pipes for liquid
and gas transfer
07
Machines and installations consisting thereof in the field
of energy technology, building technology and environmental
technology; cogeneration power plants for converting gases
into electrical energy and thermal energy; energy generation
installations, namely power generators, gas and steam
turbines, internal combustion engines (except for land
vehicles); parts for cogeneration power plants, namely
internal combustion engines, electricity generators; motors
[except for land vehicles]; internal combustion engines for
combined heat and power stations; equipment and
installations for generating electricity, namely combined
heat and power plants, fuel conversion apparatus for
internal combustion engines; fuel regulators for internal
combustion engines; apparatus for generating gas, namely
installations for generating biogas, installations for
generating gases by means of electrolysis and installations
for conveying gas
09
Measuring, signalling and checking (supervision) apparatus
and instruments for electrical energy (electricity), other
energy or fuels, in particular gas; apparatus and
instruments, including software recorded thereon, for
conducting, transforming, accumulating, regulating,
measuring or controlling electrical energy (electricity);
accumulators, anti-interference devices, equipment for
central control and switching of consumption devices, other
than personal computers; smart home controllers for
controlling energy and fuel consumption; smart meters for
measuring energy and fuel consumption; photo-voltaic
apparatus and installations for generating solar
electricity, in particular solar panels; batteries; fuel
cells; fuel measuring apparatus and instruments; apparatus
and instruments, including software recorded thereon, for
measuring of thermal energy; apparatus and instruments,
including software recorded thereon, for measuring of cold
energy; software for solar thermal collectors [heating];
software for air cooling apparatus
11
Heating installations, heat pumps, energy storage
installations, namely heat accumulators, steam accumulators
and ice accumulators (part of heating installations); fuel
conversion apparatus for heating installations; fuel
regulators for heating installations; fuel regulators for
fuel lines, being instruments for regulating the supplying
and drainage of fuels; solar thermal collectors [heating]
incorporating software; air cooling apparatus incorporating
software
12
Electric vehicles; apparatus equipped with electric motor
for locomotion by land, air or water; bicycles; motors for
cycles (electric)
20
Fuel storage tanks, not of metal or masonry
35
Arranging and concluding of contracts for the supply of
electrical energy, electricity, gas and other energy for
others; arranging of contracts, for others, for the buying
and selling of building materials and fittings for real
estate and building material sets; arranging and concluding
of contracts for supplying water; retail and whole sale
services with electrical energy, gas and water, also via the
Internet; providing consumer product consultancy, business
consultancy, professional business consultancy, all in
connection with the supply and consumption of electrical
energy, gas or water
36
Financial affairs, in particular consultancy relating to
investments in the energy sector, subsidization and
financing of energy-saving measures
37
Construction consultancy relating to constructions for the
distribution of energy; building construction, in particular
building insulating, arranging of building construction
services, construction of structures for the transportation
of electrical energy (electricity) and other energy or
fuels, in particular gas; installing of power supply and gas
distribution networks; maintenance and repair of heating
systems; building construction services regarding apparatus,
installations and equipment for generating, conducting,
switching, transforming, accumulating, regulating,
controlling and receiving electricity, other energy or
fuels, in particular gas, in particular in mechanical
engineering, plant construction, heating engineering and
electrical engineering
38
Providing of telecommunications connections for energy
management
39
Electricity storage; energy storage; fuel storage, in
particular gas storage; energy supplying, namely supply and
distribution of electrical energy (electricity), other
energy or fuels, in particular gas; distribution of
electricity; electricity supply services; electricity
distribution services; supply of electricity; consultancy
services relating to the distribution of electricity;
transportation logistics relating to the supply and
distribution of electricity, electrical energy
(electricity), other forms of energy or fuels, in particular
gas; services in the field of supply and distribution of
other energy or fuels, in particular gas, and thereto
related logistics services; transmission, transport, supply,
forwarding and distribution of electrical energy,
electricity, gas or water; electricity supply (delivery);
gas supply (delivery); consultancy in relation to energy
accumulation; distribution of energy, namely conducting,
switching, accumulating and receiving electrical energy
(electricity), other energy or fuels, in particular gas, by
means of specific apparatus, installations and equipment, in
particular in mechanical, systems, heating and electric
engineering
40
Processing of fuels; consultancy in the field of energy
production; generation of electrical energy (current), other
energy or fuels, in particular gas; generating and
converting of electrical energy (electricity), other energy
or fuels, in particular gas, in particular in mechanical
systems, heating and electric engineering; generating gas by
conversion of material; custom manufacture of machinery,
installations and apparatus for producing, conducting,
switching, transforming, accumulating, regulating,
controlling and receiving electrical energy [electricity],
other energy or fuels, particularly gas, especially in the
field of engineering especially electrical engineering and
heating systems
42
Advisory services relating to the use of energy; consultancy
in the field of energy efficiency; consultancy in the field
of energy saving; technological consultancy in relation to
operating and controlling apparatus, installations and
equipment for generating, conducting, switching,
transforming, accumulating, regulating, controlling and
receiving electricity (current), other energy or fuels, in
particular gas; technological consultancy in the field of
energy production and use; consultancy relating to
technological services in the field of power and energy
supply; technical measuring in the fields of production,
supply, use, saving and efficiency of energy; taking
measurements in the energy sector; development of computer
software for controlling electrical energy [electricity],
other energy or fuels, in particular gas; technical planning
of machinery, installations and apparatus for producing,
conducting, switching, transforming, accumulating,
regulating, controlling and receiving of electric energy
[electricity], other energy or fuels, in particular gas,
especially in the field of engineering, in the field of
construction of equipment, in the field of construction of
installations, in the field of construction of heating
systems and in the field of electrical engineering;
planning, design of apparatus, installations and equipment
for generating, conducting, switching, transforming,
accumulating, regulating, controlling and for receiving
electrical energy (electricity), other energy or fuels, in
particular gas, in particular in mechanical engineering,
plant installation, heating construction and electrical
engineering; rental of measuring apparatus, particularly for
the electricity and gas consumption; technical measuring,
controlling and regulating of electrical energy
(electricity), other energy or fuels, in particular gas, by
means of specific apparatus, installations and equipment, in
particular in mechanical engineering, plant installation,
heating construction and electrical engineering; scientific
and technological services, in particular in the energy
sector; technical engineering services in the field of
generating electricity and earth gas; consumer consultancy
in the field of saving energy; technical consultancy in
connection with the supply and consumption of electrical
energy, gas or water
45
Legal services, in particular in relation to conducting
agency business for others in the energy sector and in
relation to arranging and concluding of electricity and gas
supply contracts; legal services, in particular in relation
to conducting agency business for others in the energy
sector and arranging and concluding of electricity and gas
supply contracts