Finding individual strategies for storage units in electricity market models using deep reinforcement learning

Abstract Modeling energy storage units realistically is challenging as their decision-making is not governed by a marginal cost pricing strategy but relies on expected electricity prices. Existing electricity market models often use centralized rule-based bidding or global optimization approaches, w...

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Main Authors: Nick Harder, Anke Weidlich, Philipp Staudt
Format: Article
Language:English
Published: SpringerOpen 2023-10-01
Series:Energy Informatics
Subjects:
Online Access:https://doi.org/10.1186/s42162-023-00293-0
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author Nick Harder
Anke Weidlich
Philipp Staudt
author_facet Nick Harder
Anke Weidlich
Philipp Staudt
author_sort Nick Harder
collection DOAJ
description Abstract Modeling energy storage units realistically is challenging as their decision-making is not governed by a marginal cost pricing strategy but relies on expected electricity prices. Existing electricity market models often use centralized rule-based bidding or global optimization approaches, which may not accurately capture the competitive behavior of market participants. To address this issue, we present a novel method using multi-agent deep reinforcement learning to model individual strategies in electricity market models. We demonstrate the practical applicability of our approach using a detailed model of the German wholesale electricity market with a complete fleet of pumped hydro energy storage units represented as learning agents. We compare the results to widely used modeling approaches and demonstrate that the proposed method performs well and can accurately represent the competitive behavior of market participants. To understand the benefits of using reinforcement learning, we analyze overall profits, aggregated dispatch, and individual behavior of energy storage units. The proposed method can improve the accuracy and realism of electricity market modeling and help policymakers make informed decisions for future market designs and policies.
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spelling doaj.art-3768e654ad444f5a83530b0776125e1c2023-10-22T11:28:51ZengSpringerOpenEnergy Informatics2520-89422023-10-016S112110.1186/s42162-023-00293-0Finding individual strategies for storage units in electricity market models using deep reinforcement learningNick Harder0Anke Weidlich1Philipp Staudt2Institute for Sustainable Systems Engineering, University of FreiburgInstitute for Sustainable Systems Engineering, University of FreiburgDepartment of Computing Science, University of OldenburgAbstract Modeling energy storage units realistically is challenging as their decision-making is not governed by a marginal cost pricing strategy but relies on expected electricity prices. Existing electricity market models often use centralized rule-based bidding or global optimization approaches, which may not accurately capture the competitive behavior of market participants. To address this issue, we present a novel method using multi-agent deep reinforcement learning to model individual strategies in electricity market models. We demonstrate the practical applicability of our approach using a detailed model of the German wholesale electricity market with a complete fleet of pumped hydro energy storage units represented as learning agents. We compare the results to widely used modeling approaches and demonstrate that the proposed method performs well and can accurately represent the competitive behavior of market participants. To understand the benefits of using reinforcement learning, we analyze overall profits, aggregated dispatch, and individual behavior of energy storage units. The proposed method can improve the accuracy and realism of electricity market modeling and help policymakers make informed decisions for future market designs and policies.https://doi.org/10.1186/s42162-023-00293-0Agent-based modelingElectricity marketsEnergy storageMulti-agent reinforcement learninReinforcement learning
spellingShingle Nick Harder
Anke Weidlich
Philipp Staudt
Finding individual strategies for storage units in electricity market models using deep reinforcement learning
Energy Informatics
Agent-based modeling
Electricity markets
Energy storage
Multi-agent reinforcement learnin
Reinforcement learning
title Finding individual strategies for storage units in electricity market models using deep reinforcement learning
title_full Finding individual strategies for storage units in electricity market models using deep reinforcement learning
title_fullStr Finding individual strategies for storage units in electricity market models using deep reinforcement learning
title_full_unstemmed Finding individual strategies for storage units in electricity market models using deep reinforcement learning
title_short Finding individual strategies for storage units in electricity market models using deep reinforcement learning
title_sort finding individual strategies for storage units in electricity market models using deep reinforcement learning
topic Agent-based modeling
Electricity markets
Energy storage
Multi-agent reinforcement learnin
Reinforcement learning
url https://doi.org/10.1186/s42162-023-00293-0
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AT ankeweidlich findingindividualstrategiesforstorageunitsinelectricitymarketmodelsusingdeepreinforcementlearning
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