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irena-flextool / flextool

IRENA FlexTool is an energy and power systems model for understanding the role of variable power generation in future energy systems.
https://www.irena.org/energytransition/Energy-System-Models-and-Data/IRENA-FlexTool
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Error in reserve_t #126

Open e-zaline opened 8 months ago

e-zaline commented 8 months ago

I have set a constant reserve up of 10 MW. In my reserve_t output sheet, when I sum the reserves that are procured, I obtain almost always 10 MW, except for a few timesteps (see below) image

It could be related to reserves in VRE (i.e. plants with a profile) wich are the ones in my case that have very high values when contributing to the reserves.

image

jkiviluo commented 8 months ago

Is this downward reserve? VRE can often supply lots of downward reserve for free. The reserve demand equation is greater than, so it can provide more than needed.

e-zaline commented 8 months ago

@jkiviluo No, this is upward reserve

jkiviluo commented 8 months ago

Is it curtailing wind in those moments? Again, providing that as upward reserve is then free.