Modified Worst-Case Excess Minimization for Value Sharing in Energy Communities

Amir Safdarian, Poria Astero, Marius Baranauskas, Antti Keski-Koukkari, Anna Kulmala

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    1 Citation (Scopus)

    Abstract

    Worst-case excess minimization provides a stabilizing value sharing mechanism for energy communities (ECs). It, however, takes much time to solve the problem especially in larger ECs with tens of prosumers. To alleviate the issue, this paper proposes a modified worst-case excess minimization problem which is faster to solve. In this paper, the problem is formulated for individual time slots, e.g., hour by hour, instead of solving the problem for the whole study horizon. This enables modifying the problem by defining new constraints as well as removing unnecessary variables and constraints. By doing so, the minimization problem can be solved faster without sacrificing the accuracy of the simulation. The proposed method is simulated, and the achieved results are compared with the original worst-case excess minimization problem. Based on the results, the proposed method performed significantly better than the original.

    Original languageEnglish
    Title of host publicationIEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy, PESGRE 2022
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Number of pages5
    ISBN (Electronic)978-1-66544-837-6
    DOIs
    Publication statusPublished - 2022
    MoE publication typeA4 Article in a conference publication
    Event2022 IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy, PESGRE 2022 - Virtual, Trivandrum, India
    Duration: 2 Jan 20225 Jan 2022

    Conference

    Conference2022 IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy, PESGRE 2022
    Abbreviated titlePESGRE 2022
    Country/TerritoryIndia
    CityVirtual, Trivandrum
    Period2/01/225/01/22

    Funding

    ACKNOWLEDGMENT This work was supported by Academy of Finland under project DisMa (Distributed management of electricity system), funding decision 323696, and by Business Finland under project ProCemPlus (Prosumer Centric Energy Communities - towards Energy Ecosystem), funding decision 8211/31/2018. Helen Sähköverkko Oy is also acknowledged for providing data associated with an apartment building in the southern part of Finland in the metropolitan area.

    Keywords

    • energy community
    • minimization
    • optimization
    • payoff allocation
    • prosumer
    • value sharing
    • worst-case excess minimization

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