Generator Surplus Margin (GSM)

The Generator Surplus Margin display shows recent hourly market demand compared with available generation, actual generation broken down by fuel type, and the generator surplus margin (actual generation / available generation).


The expanded view of the GSM display.

By default, the GSM display shows 10 hours worth of data, but you can specify how many hours to display (1 to 24) by selecting a number from the combo box in the bottom left corner.


Selecting the number of hours to display.

You can also show or hide the legend by clicking on the button at the bottom right of the GSM display.

To see individual values, simply move the mouse cursor over the series value in question.


A small tooltip showing the series value under the mouse cursor.