Capacity Value of Interconnection Between Two Systems

Conference paper (2019)

Authors

Simon H. Tindemans Intelligent Electrical Power Grids - EEMCS
Matt Woolf Imperial College London
Goran Strbac Imperial College London
Research Group
Intelligent Electrical Power Grids (EEMCS) (TU Delft)
Copyright: © 2019 Simon H. Tindemans, Matt Woolf, Goran Strbac
DOI: https://doi.org/10.1109/PESGM40551.2019.8973865
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Published Date

04-08-2019

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

Intelligent Electrical Power Grids

Abstract

Concerns about system adequacy have led to the establishment of capacity mechanisms in a number of regulatory areas. Against this background, it is essential to accurately quantify the contribution to security of supply that results from interconnectors to neighbouring systems. This paper introduces a definition of capacity value for interconnection between two systems in the form of a capacity allocation curve. Four power flow policies are proposed to encompass the full range of possible market outcomes that may affect the capacity value. A convolution-based method is presented to efficiently compute and compare capacity allocation curves, and it is applied to a model system that is inspired by Great Britain's interconnection with the continental Europe. The results indicate areas of interest for the coordination of capacity mechanisms.