Siting and operating incentives in electrical networks: A study of mispricing in zonal markets

Matthew Katzen and Gordon W. Leslie

International Journal of Industrial Organization, 2024, vol. 94, issue C

Abstract: The incentives electricity generators face in investment and output decisions hinge on market design. Under some zonal market designs, where profit-maximizing participants face a uniform regional price, achieving lowest-cost system-wide production can be impossible. Further, zonal designs can incentivize siting of intermittent renewables in inefficient locations behind network constraints, of concern for jurisdictions undergoing a clean energy transition. We develop measures of mispricing that compare the zonal prices generators receive to locational marginal prices that value congestion externalities from generator output. We apply these measures to show wind and solar generators are increasingly siting in constrained areas of the Australian network, and highlight sources of potential efficiency gains from adopting a nodal market design with locational marginal pricing.

Keywords: Wholesale electricity markets; Electricity market design; Locational marginal pricing; Nodal pricing; Zonal pricing; Renewable energy transition (search for similar items in EconPapers)
JEL-codes: D47 L5 L94 Q41 Q42 (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:indorg:v:94:y:2024:i:c:s0167718724000249

DOI: 10.1016/j.ijindorg.2024.103069

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