Energy Identification Codes (EICs)

Over many years, a coding scheme has been developed, managed and maintained within ENTSO-E (under the Common Information Model Expert Group) to facilitate cross-border exchanges and to efficiently and reliably identify different objects and parties relating to the Internal Energy Market (IEM) and its operations.

This is known as the Energy Identification Coding (EIC) scheme, approved by ENTSO-E for the harmonisation and implementation of standardised electronic data interchanges.

The scheme is supported by a central issuing office (CIO – ENTSO-E’s Secretariat) and ENTSO-E-authorised local issuing offices (LIOs) across Europe. These LIOs are electricity and gas Transmission System Operators along with third party associations such as A&B, APCS, BDEW, DVGW, EFET and ENTSOG, which, in liaison with taxation offices also, are responsible for the EIC scheme operations.

Access EIC Approved Codes list

Any questions on ENTSO-E’s Energy Identification Code scheme and its supporting structure should be directed to: cio-admin@entsoe.eu

For any further information relevant to data exchanges, please contact ENTSO-E at cim@entsoe.eu

Allocated EIC Codes

​​​​​ This section provides links by code type, to all active and international EIC codes, published by the central issuing office (CIO) along with a tool to validate an EIC code (EIC check digit calculator).

Access EIC Approved Codes Download EIC Codes list (XML)

For all existing EIC codes, both local and international, please refer to the EIC LIO websites

EIC Documentation

This section provides information and documentation downloads on the fundamentals, governance and operations of the EIC scheme, in relation to both the established local issuing offices (LIOs) and the central issuing office (CIO).

General

Contact: cio-admin@entsoe.eu

EIC LIO Websites

LIO CodeNameCountryWebsiteEIC WebsiteEmailOperates in
10ENTSO-EEU
11BDEWDE
12SwissgridCH
13A&BAT
14APCSAT
15MavirHU
16RENPT
17RTEFR
18REEES
19PSE S.A.PL
20CREOSLU
21ENTSOGEU
22EliaBE
23EFETEU
(only X codes)
24SEPSSK
25AGGMAT
26TernaIT
27CEPSCZ
28ELESSI
29ADMIEGR
30TranselectricaRO
31HOPSHR
32ESO ADBG
33MEPSOMK
34EMSRS
35CGESME
36NOS BIHBA
37DVGWDE
38EleringEE
39FGSZHU
40EPIASTR
41LITGRID ABLT
42EU-STREAMSK
43ASTLV
44Fingrid OyjFI
(except X codes)
45EnerginetDK
46SVKSE
47EirgridIE, NI
48NationalGridUK
49Tennet NLNL
50StatnettNO
(except X codes)
51PlinovodiSI
52GTSNL
53GAZ-SYSTEMPL
54OSTAL
55XOSERVEUK
56LLCGASTSOUKRAINEUA
57FLUXYSBE
58BULGARTRANSGAZBG
59SRGIT
60TransgazRO
61Conexus Baltic GridLV
62UKRENERGOUA
63GRTGazFR
64MoldelectricaMD
65GSEGE
66GasFINLANDFI
67SRBIJATRANSGASRS
68MOLDOVATRANSGAZMD
69TSOCCY
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