Truthful Production Uncertainty in Electricity Markets: A Two-Stage Mechanism

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Hauptverfasser: Singhal, Shobhit, Mitridati, Lesia, Romao, Licio
Format: Preprint
Veröffentlicht: 2026
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author Singhal, Shobhit
Mitridati, Lesia
Romao, Licio
author_facet Singhal, Shobhit
Mitridati, Lesia
Romao, Licio
contents Renewable power sources have low marginal pro-duction costs, but may result in high balancing costs due to the inherent production uncertainty. Current day-ahead markets elicit only point production profiles and neglect the degree of uncertainty associated with each generating asset, preventing the market operator from accounting for balancing costs in day-ahead dispatch and ancillary service procurement. This increases total system costs and undermines market efficiency, especially in renewable-heavy power systems. To address this, we propose a new market clearing paradigm based on a two-stage mechanism, where producers report their production forecast distribution in the day-ahead stage, followed by the realized production in the real-time stage. By extending the Vickery-Clarke-Groves (VCG) payments to the two-stage setting, we show appealing properties in terms of incentive compatibility and individual rationality. An electricity market case study validates the theoretical claims, and illustrates the effectiveness of the proposed mechanism to reduce system costs.
format Preprint
id arxiv_https___arxiv_org_abs_2604_02455
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Truthful Production Uncertainty in Electricity Markets: A Two-Stage Mechanism
Singhal, Shobhit
Mitridati, Lesia
Romao, Licio
Systems and Control
Theoretical Economics
Renewable power sources have low marginal pro-duction costs, but may result in high balancing costs due to the inherent production uncertainty. Current day-ahead markets elicit only point production profiles and neglect the degree of uncertainty associated with each generating asset, preventing the market operator from accounting for balancing costs in day-ahead dispatch and ancillary service procurement. This increases total system costs and undermines market efficiency, especially in renewable-heavy power systems. To address this, we propose a new market clearing paradigm based on a two-stage mechanism, where producers report their production forecast distribution in the day-ahead stage, followed by the realized production in the real-time stage. By extending the Vickery-Clarke-Groves (VCG) payments to the two-stage setting, we show appealing properties in terms of incentive compatibility and individual rationality. An electricity market case study validates the theoretical claims, and illustrates the effectiveness of the proposed mechanism to reduce system costs.
title Truthful Production Uncertainty in Electricity Markets: A Two-Stage Mechanism
topic Systems and Control
Theoretical Economics
url https://arxiv.org/abs/2604.02455