Generation Expansion Planning with Revenue Adequacy Constraints
Abstract: Generation capacity expansion models have traditionally taken the vantage point of a centralized planner seeking to find cost-optimal generation capacity to reliably meet load over decadal time scales. Often assuming perfectly competitive players, these models attempt to provide guidance for system planners without necessarily ensuring that individual generators are adequately remunerated for their generation, flexibility, and capacity. In this work, we incorporate revenue adequacy constraints in a two-stage generation expansion planning model. After making generation investment decisions in the first stage, day-ahead unit commitment (UC) and dispatch decisions are made in the second stage, along with market-clearing pricing decisions. To approximate a market equilibrium, the duality gap between the second-stage non-convex UC problem and its linearly-relaxed dual is used as a regularizer. Case studies of a simplified California-ISO system are presented to contrast a traditional planning model with our revenue adequacy-constrained model.
Keywords: Generation expansion, mixed-integer bilinear program, power system planning, profitability, unit commitment.
Category 1: Applications -- Science and Engineering
Entry Submitted: 04/03/2020
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