Division 35: Electricity, gas, steam and air conditioning supply

Section D, Electricity, gas, steam and air conditioning supply. 12 subcategories with ISTAT's explanatory notes and the ATECO 2022 codes they come from.

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  1. 35Electricity, gas, steam and air conditioning supply
  2. 35.1Electric power generation, transmission and distribution
    ISTAT explanatory notes ›

    This group includes the generation of electric power, transmission from generating facilities to distribution centres and distribution to end users.

    Trade and storage of electric power are also included.

    Excludes

    • separate production and distribution of steam and heat, see 35.335.3
    • activities of electric power brokers or agents that arrange the sale of electricity via power distribution systems operated by others, see 35.435.4
  3. 35.11Production of electricity from non-renewable sources
    ISTAT explanatory notes ›

    Excludes

    • production of electricity from renewable sources, see 35.1235.12
    • production of electricity as part of the storage of electricity, see 35.1635.16
    • pretreatment of waste for energy recovery, see 38.2238.22
  4. 35.11.0Production of electricity from non-renewable sources
  5. 35.11.00Production of electricity from non-renewable sources
    From ATECO 2022: 35.11.00 Produzione di energia elettrica (all from here)
    ISTAT explanatory notes ›

    Includes

    • operation of generation facilities that produce electricity from non-renewable sources (e.g. natural gas, coal, and other fossil fuels), and from emission-free non-renewable sources (e.g. nuclear)
  6. 35.12Production of electricity from renewable sources
    ISTAT explanatory notes ›

    Excludes

    • production of electricity from non-renewable sources, see 35.1135.11
    • production of electricity as part of the storage of electricity, see 35.1635.16
    • pretreatment of waste for energy recovery, see 38.2238.22
  7. 35.12.0Production of electricity from renewable sources
  8. 35.12.00Production of electricity from renewable sources
    From ATECO 2022: 35.11.00 Produzione di energia elettrica (all from here)
    ISTAT explanatory notes ›

    Includes

    • operation of generation facilities that produce electricity from renewable sources (e.g. gaseous biofuels, hydropower, on-shore and off-shore wind power, photovoltaic solar energy and thermal solar energy, geothermal energy and tide, wave and ocean energy)

    Also includes

    • operation of generation facilities that produce electricity from renewable sources by Renewable Energy Communities (RECs)
  9. 35.13Transmission of electricity
  10. 35.13.0Transmission of electricity
  11. 35.13.00Transmission of electricity
    From ATECO 2022: 35.12.00 Trasmissione di energia elettrica (all from here)
    ISTAT explanatory notes ›

    Includes

    • operation of high-voltage transmission systems that convey electricity from the generation facility to the distribution system
  12. 35.14Distribution of electricity
  13. 35.14.0Distribution of electricity
  14. 35.14.00Distribution of electricity
    From ATECO 2022: 35.13.00 Distribuzione di energia elettrica (all from here)
    ISTAT explanatory notes ›

    Includes

    • operation of high-voltage, medium-voltage and low-voltage distribution systems (e.g. lines, poles, meters and wiring), which convey electric power received from the generation facility or the transmission system to the end user
    • rental and leasing of electricity distribution networks
    • distribution of electricity into electricity mains/networks
  15. 35.15Trade of electricity
    ISTAT explanatory notes ›

    Excludes

    • sale of electricity on the account of others, see 35.4035.40
  16. 35.15.0Trade of electricity
  17. 35.15.00Trade of electricity
    From ATECO 2022: 35.14.00 Commercio di energia elettrica (all from here)
    ISTAT explanatory notes ›

    Includes

    • sale of electricity on own account

    Also includes

    • operation of charging facilities for electric vehicles (e.g. electric cars, motorcycles, bicycles)
    • operation of charging facilities for electronic devices (e.g. mobile telephones, laptops)
  18. 35.16Storage of electricity
    ISTAT explanatory notes ›

    Excludes

    • production of electricity not by storage, see 35.11, 35.1235.1135.12
  19. 35.16.0Storage of electricity
  20. 35.16.00Storage of electricity
    From ATECO 2022: 35.11.00 Produzione di energia elettrica (all from here)
    ISTAT explanatory notes ›

    Includes

    • conversion of electrical energy into a form of energy which can be stored, the storing of such energy, and the subsequent reconversion of such energy into electrical energy (e.g. operation of pump storage facilities, compressed air storage facilities, or battery storage facilities)
    • distribution of stored electricity into electricity mains/networks
  21. 35.2Manufacture of gas, and distribution of gaseous fuels through mains
    ISTAT explanatory notes ›

    This group includes the manufacture of gas, the storage and the distribution of natural or synthetic gas to the user through a system of mains.

    Excludes

    • extraction of crude natural gas, see 06.2006.20
    • activities of brokers or agents that arrange the sale of gaseous fuels over gas distribution systems operated by others, see 35.435.4
    • transport, usually over long distances, of gas through pipelines, see 49.5049.50
    • separate operation of gas pipelines, typically done over long distances, connecting producers with distributors of gas, or between urban centres, see 49.5049.50
  22. 35.21Manufacture of gas
    ISTAT explanatory notes ›

    Excludes

    • extraction of crude natural gas, see 06.2006.20
    • production of coke oven gas, see 19.1019.10
    • manufacture of refined petroleum products, see 19.2019.20
    • production of liquefied petroleum gas (LPG), see 19.2019.20
    • manufacture of industrial gases, see 20.1120.11
    • production of hydrogen, not for energy supply through a network, see 20.1120.11
    • manufacture of basic organic gases, not for energy supply through a network, see 20.1420.14
    • production of blast furnace gas, see 24.1024.10
  23. 35.21.0Manufacture of gas
  24. 35.21.00Manufacture of gas
    From ATECO 2022: 35.21.00 Produzione di gas (all from here)
    ISTAT explanatory notes ›

    Includes

    • manufacture of gases other than petroleum gases for the provision of gaseous fuels through a permanent supply network (for example, coal gas, water gas, producer gas, gasworks gas)
    • production of gaseous fuels for energy supply through a gas distribution network (e.g. by carbonation of coal, gasification of lignite, electrolysis or methanisation)
    • production of gaseous fuels for energy supply with a specified calorific value, by purification, blending and other processes from gases of various types, including natural gas or hydrogen
    • production of biogas for the purpose of gas supply (e.g. from sewage sludge, manure, waste)
    • production of gaseous biofuels for energy supply through a gas distribution network

    Also includes

    • cleansing of biogas for energy supply through a permanent network
    • regasification of natural gas for distribution through mains
  25. 35.22Distribution of gaseous fuels through mains
    ISTAT explanatory notes ›

    Excludes

    • transport, usually over long distances, of gas through pipelines, see 49.5049.50
  26. 35.22.0Distribution of gaseous fuels through mains
  27. 35.22.00Distribution of gaseous fuels through mains
    From ATECO 2022: 35.22.00 Distribuzione di combustibili gassosi mediante condotte (all from here)
    ISTAT explanatory notes ›

    Includes

    • transport, distribution and supply of gaseous fuels of all kinds through a system of mains
    • rental and leasing of gas utility networks
  28. 35.23Trade of gas through mains
    ISTAT explanatory notes ›

    Excludes

    • sale of gaseous fuels through mains on the account of others, see 35.4035.40
    • wholesale of bottled gaseous fuels, see 46.8146.81
    • retail sale of gaseous fuel for motor vehicles and motorcycles, see 47.3047.30
    • retail sale of household fuel oil and bottled gas, see 47.7847.78
  29. 35.23.0Trade of gas through mains
  30. 35.23.00Trade of gas through mains
    From ATECO 2022: 35.23.00 Commercio di gas distribuito mediante condotte (all from here)
    ISTAT explanatory notes ›

    Includes

    • sale of gaseous fuels through mains on own account
  31. 35.24Storage of gas as part of network supply services
    ISTAT explanatory notes ›

    Excludes

    • gas liquefaction for mine site transport, see 09.1009.10
    • storage of gaseous fuels, not part of network energy supply services, see 52.1052.10
  32. 35.24.0Storage of gas as part of network supply services
  33. 35.24.00Storage of gas as part of network supply services
    From ATECO 2022: 52.10.10 Magazzini di custodia e deposito per conto terzi (all from here)
    ISTAT explanatory notes ›

    Includes

    • storage of gaseous fuels
    • storage of hydrogen gas
  34. 35.3Steam and air conditioning supply
  35. 35.30Steam and air conditioning supply
    ISTAT explanatory notes ›

    Excludes

    • manufacturing of edible ice, see 10.5210.52
    • manufacturing of edible ice, see 10.5210.52
    • production of heat/steam by conversion of waste materials, see 38.2238.22
  36. 35.30.0Steam and air conditioning supply
  37. 35.30.00Steam and air conditioning supply
    From ATECO 2022: 35.30.00 Fornitura di vapore e aria condizionata (all from here)
    ISTAT explanatory notes ›

    Includes

    • production, collection and distribution of steam and hot water for heating, power and other purposes
    • production and distribution of cooled air (e.g. for air conditioning supply)
    • production and distribution of chilled water for cooling purposes
    • production of ice from natural water for cooling purposes

    Also includes

    • storage of thermal energy
  38. 35.4Activities of brokers and agents for electric power and natural gas
  39. 35.40Activities of brokers and agents for electric power and natural gas
    ISTAT explanatory notes ›

    Excludes

    • storage and distribution or provision of electric power to the user (through a system of mains) by the producer (own account), see 35.135.1
    • storage and distribution or provision of gaseous fuels to the user (through a system of mains) by the producer (own account), see 35.235.2
    • intermediation service activities for transport of gaseous fuels, see 52.3152.31
  40. 35.40.0Activities of brokers and agents for electric power and natural gas
  41. 35.40.00Activities of brokers and agents for electric power and natural gas
    From ATECO 2022: 35.14.00 Commercio di energia elettrica (in part) · 35.23.00 Commercio di gas distribuito mediante condotte (in part) · 47.99.10 Commercio al dettaglio di prodotti vari, mediante l'intervento di un dimostratore o di un incaricato alla vendita (porta a porta) (in part) · 61.90.99 Altre attività connesse alle telecomunicazioni n.c.a. (in part) · 62.09.09 Altre attività dei servizi connessi alle tecnologie dell'informatica n.c.a. (in part) · 63.12.00 Portali web (in part) · 63.99.00 Altre attività dei servizi di informazione n.c.a. (in part)
    ISTAT explanatory notes ›

    Includes

    • activities of brokers or agents, who arrange the sale of electricity via power distribution systems operated by others
    • sale of electricity on the account of others
    • activities of gas brokers or agents, who arrange the sale of gaseous fuels via gas distribution systems operated by others
    • sale of gaseous fuels through mains on the account of others
    • activities of brokers and agents for the operation of electricity distribution and transmission capacity exchanges for electric power
    • activities of brokers and agents for commodity and distribution capacity exchanges for gaseous fuels

Source and disclaimer

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Data: ISTAT, ATECO 2025 classification, CC BY 4.0 licence. We reorganised the files for search without changing the text of codes and notes, except for the capitalisation of section titles. CC BY 4.0

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