Bidding a Battery on Electricity Markets and Minimizing Battery Aging Costs: A Reinforcement Learning Approach

Harri Aaltonen*, Seppo Sierla, Ville Kyrki, Mahdi Pourakbari‐kasmaei, Valeriy Vyatkin

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

2 Lataukset (Pure)

Abstrakti

Battery storage is emerging as a key component of intelligent green electricitiy systems. The battery is monetized through market participation, which usually involves bidding. Bidding is a multi‐objective optimization problem, involving targets such as maximizing market compensation and minimizing penalties for failing to provide the service and costs for battery aging. In this article, battery participation is investigated on primary frequency reserve markets. Reinforcement learning is applied for the optimization. In previous research, only simplified formulations of battery aging have been used in the reinforcement learning formulation, so it is unclear how the optimizer would perform with a real battery. In this article, a physics‐based battery aging model is used to assess the aging. The contribution of this article is a methodology involving a realistic battery simulation to assess the performance of the trained RL agent with respect to battery aging in order to inform the selection of the weighting of the aging term in the RL reward formula. The RL agent performs day-ahead bidding on the Finnish Frequency Containment Reserves for Normal Operation market, with the objective of maximizing market compensation, minimizing market penalties and minimizing aging costs.

AlkuperäiskieliEnglanti
Artikkeli4960
Sivumäärä19
JulkaisuEnergies
Vuosikerta15
Numero14
DOI - pysyväislinkit
TilaJulkaistu - 1 heinäk. 2022
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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  • Predictricity

    Sierla, S., Hölttä, T., Karhula, N., Aaltonen, H., Subramanya, R. & Vyatkin, V.

    01/04/201931/03/2022

    Projekti: Business Finland: Other research funding

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