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.
ISTAT publishes ATECO 2022 titles in Italian only.
- 35Electricity, gas, steam and air conditioning supply
- 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.
- 35.11Production of electricity from non-renewable sources
- 35.11.0Production of electricity from non-renewable sources
- 35.11.00Production of electricity from non-renewable sourcesFrom 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)
- 35.12Production of electricity from renewable sources
- 35.12.0Production of electricity from renewable sources
- 35.12.00Production of electricity from renewable sourcesFrom 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)
- 35.13Transmission of electricity
- 35.13.0Transmission of electricity
- 35.13.00Transmission of electricityFrom 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
- 35.14Distribution of electricity
- 35.14.0Distribution of electricity
- 35.14.00Distribution of electricityFrom 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
- 35.15Trade of electricity
ISTAT explanatory notes ›
Excludes
- sale of electricity on the account of others, see 35.4035.40
- 35.15.0Trade of electricity
- 35.15.00Trade of electricityFrom 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)
- 35.16Storage of electricity
- 35.16.0Storage of electricity
- 35.16.00Storage of electricityFrom 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
- 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
- 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
- 35.21.0Manufacture of gas
- 35.21.00Manufacture of gasFrom 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
- 35.22Distribution of gaseous fuels through mains
ISTAT explanatory notes ›
Excludes
- transport, usually over long distances, of gas through pipelines, see 49.5049.50
- 35.22.0Distribution of gaseous fuels through mains
- 35.22.00Distribution of gaseous fuels through mainsFrom 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
- 35.23Trade of gas through mains
ISTAT explanatory notes ›
- 35.23.0Trade of gas through mains
- 35.23.00Trade of gas through mainsFrom 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
- 35.24Storage of gas as part of network supply services
- 35.24.0Storage of gas as part of network supply services
- 35.24.00Storage of gas as part of network supply servicesFrom 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
- 35.3Steam and air conditioning supply
- 35.30Steam and air conditioning supply
- 35.30.0Steam and air conditioning supply
- 35.30.00Steam and air conditioning supplyFrom 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
- 35.4Activities of brokers and agents for electric power and natural gas
- 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
- 35.40.0Activities of brokers and agents for electric power and natural gas
- 35.40.00Activities of brokers and agents for electric power and natural gasFrom 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
The code you find here has no legal value, like the one from ISTAT's own navigator. You can use it as a reference when you register or change a VAT number with the Business Register or the Italian Revenue Agency. If in doubt, ask your accountant. ISTAT's official ATECO navigator.
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
ISTAT files used
- ATECO 2025 structure (Italian, English, German), last updated 2 April 2025
- ATECO 2025 explanatory notes (Italian, English), last updated 19 March 2025
- ATECO 2025 - ATECO 2022 correspondence table, 2026 update (Italian), last updated 15 July 2026
- ATECO 2025 - ATECO 2022 correspondence table, 2026 update (English), last updated 15 July 2026
- ATECO 2022 - ATECO 2025 operational reclassification table, 2026 update, last updated 15 July 2026