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Extra identifiers are used to attach things like EIC ids, VAT numbers, jurisdiction-specific identifiers, etc.

For example, Metering Grid Area's in parts of Europe are assigned an local jurisdiction EIC code; for those MGAs, the Engrate system will store the EIC as an extra identifier. However some jurisdictions have not yet switched to EIC codes, instead they rely on older local identification schemes. Swedish MGAs, as an example, use a local code assigned by the Swedish TSO.

Because the local schemes are subject to collisions - two TSOs assigning the same numerical code to different things, as they do not coordinate id assignment - we also track an identifier "kind".

​
kind
enum<string>
required

The kind of identifier

Available options:
eic,
vat,
se.ediel,
se.mga_code
​
value
string
required

The identifier value