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Energy Identification Codes (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].

GeneralCIO-related​ENTSO-E LIO related
EIC Reference Manual (version 5.2)
CIO EIC Code Management
ENTSO-E LIO Management
EIC Short guide and FAQ

List of allowed EIC functions
EIC Data exchange implementation guide
All EIC Requests Forms
Market Area Analysis

List of EIC codes
EIC Check Digit Calculator

 Contact: cio-admin@entsoe.eu