grid-parity-exchange / Egret

Tools for building power systems optimization problems
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Reserves price stacking #273

Closed bknueven closed 2 years ago

bknueven commented 2 years ago

Summary/Motivation:

We should stack the reserve prices reported by Egret according to the way they are stacked in the ancillary service formulations.

This PR also fixes a bug in the supplemental reserves procurement constraint, and reformulates the interaction between zonal reserve shortfall and system reserve shortfall. It seems better to count these separately because otherwise a failure to procure reserves zonally essentially forces a failure to procure them on the system-wide level.

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