Definition
The process of changing the output levels of generators from their economic merit order dispatch to relieve a transmission constraint, usually resulting in higher overall generation costs. When a transmission line or interface limit prevents the cheapest available generator from serving load, operators redispatch by reducing output from cheap, constrained-in generators and increasing output from more expensive but unconstrained generators on the load side of the bottleneck.
Topic Deck
Transmission Services
Source
FERC Pro Forma OATT / LGIP
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