An electronic message sent to a third party detailing a transaction or requirement as part of a pre-existing agreement

Typically gas and power transactions are nominated to system and market operators


Examples of nominations:

Nominations are sent typically some time in advance, and then updated as any changes occur (new trades are executed, new forecasts are made etc.)

For power and gas there are deadlines for the last nominations for a delivery period - if nominations are missed then the trading organization may face large imbalance costs so:

Nominations are one of the most time-critical processes or capabilities of any trading organization 

In the UK nominations are officially known as Notifications - but the general term, nomination, is more usually used

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