Glossary Term: Indicated Margin
Acronym: MELNGC
A forecast of Indicated Margin in the system is received each day for the following day from the System Operator. The Indicated Margin forecast for each Settlement Period is the difference between the sum of the MELs submitted for that period, and the National Demand Forecast made by the System Operator. The greater the value, the higher the margin between available generation capacity and forecast demand – the more spare capacity there is forecast to be in the system.
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