Infeasibilities

Resolving Infeasibilities and High Spring Washer Price Situations

Background

The Initial Pricing Schedule (Pricing case) is one of the solutions of the Scheduling, Pricing, and Dispatch model (SPD). A solution of this type is created by the Pricing Manager following the end of each trading day in order to determine the final prices for each trading period for the previous trading day. If an infeasibility or a high spring washer price situation occurs then the prices calculated cannot be made final. A provisional pricing situation exists until the infeasibility or high spring washer price situation is successfully resolved.

Objective

The document below provides a brief overview of the types of infeasibility that can occur and the techniques that the system operator uses to try to resolve these and high spring washer price situations.

The objective of making this overview available is to increase the transparency of the pricing process.

Related Documents

GL-RR-448 Resolving Infeasibilities and high spring washer price situation - An Overview [ pdf 564.51 KB ]

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