Glossary Term: NIV Tagged Bid

A Net Imbalance Volume (NIV) tagged bid is part of the process used in electricity markets to determine the final imbalance price. Net Imbalance Volume (NIV) Tagging occurs following Classification and works by netting off the Buy and Sell Ranked Sets. The most expensive balancing actions are netted off first and are referred to as NIV Tagged. The NIV Tagging will leave either a net volume of Buy balancing actions, or Sell balancing actions. This is the NIV for a Settlement Period.

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Has the meaning given to that term in Annex T-1.

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