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April 16, 20260 citationsOpen Access

Marginal Curtailment Under Network Constraints in the 2030 GB Power System

Marginal Curtailment Under Network Constraints: Evidence from the 2030 GB Power System

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Authors

CCC. K. ChyongDND. Newbery

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Overview

Analysis demonstrates increased marginal curtailment in 2030 GB Power System, suggesting re-evaluation of investment strategies.

Key Points

  • This research investigates the impact of transmission constraints on marginal curtailment in the GB power system projected for 2030.
  • Developed a unit commitment and economic dispatch model for Britain divided into seven zones based on transmission constraints.
  • Examined the effect of planned expansions in transmission, interconnectors, and storage on curtailment levels.
  • Evaluated long-run marginal costs associated with varying levels of curtailment.
  • Marginal curtailment is significantly higher under transmission constraints compared to scenarios without congestion.
  • The long-run marginal costs of investment could be up to 90% higher due to increased curtailment effects.
  • Current auction designs, which focus on levelized costs, may misrepresent the true investment costs associated with curtailment.

Cite This Study

Chyong et al. (2026) studied this question.

synapsesocial.com/papers/69e07e242f7e8953b7cbf14bhttps://doi.org/10.17863/cam.127754.2
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