PV出力予測誤差による小売電気事業者インバランス削減のための蓄電池利用の経済性

カテゴリ: 論文誌(論文単位)

グループ名: 【B】電力・エネルギー部門

発行日: 2023/08/01

タイトル(英語): The Economics of using of Battery Energy Storage System to Reduce Electricity Retailer Imbalance due to PV Output Forecast Error

著者名: 中村　美友（名古屋大学大学院工学研究科電気工学専攻），今中　政輝（名古屋大学未来材料・システム研究所），杉本　重幸（名古屋大学未来材料・システム研究所），加藤　丈佳（名古屋大学未来材料・システム研究所），原田　耕佑（ENEOS（株）中央技術研究所），小西　充峻（ENEOS（株）中央技術研究所）

著者名(英語): Miyu Nakamura (Dept. of Electrical Eng., Grad School of Eng., Nagoya University), Masaki Imanaka (Institute of Materials and Systems for Sustainability, Nagoya University), Shigeyuki Sugimoto (Institute of Materials and Systems for Sustainability, Nagoya University), Takeyoshi Kato (Institute of Materials and Systems for Sustainability, Nagoya University), Kosuke Harada (ENEOS Corporation), Mitsutaka Konishi (ENEOS Corporation)

キーワード: 太陽光発電，蓄電池，需給調整市場，インバランス，小売電気事業者　　photovoltaic power generation，battery energy storage system，balancing market，imbalance，electricity retailer

要約(英語): For improving the profitability of electricity retailers, it is important to reduce the penalty cost for the imbalance between a day-ahead planned electricity demand and the actual electricity demand on the day. To reduce the imbalance, a Battery Energy Storage System (BESS) installed in customers of the electricity retailer can be used. Assuming that the forecast error of Photovoltaic (PV) power output forecast error can be major reason of the imbalance in retailer using a certain amount of its own PV, our previous study proposed the simple operation of BESS based on the prediction of the direction of forecast error (positive or negative) instead of the amount of error, and revealed that the proposed method can be useful if the available BESS capacity is smaller than the imbalance. Based on the results in previous study, this paper conducts the economic assessment of imbalance reduction by the proposed BESS operation by using the actual data on imbalance charges and electricity market prices for a year. Both the change in imbalance cost in daytime and the preparation cost of BESS in night-time for the next day operation are taken into account. Furthermore, the break-even point of the imbalance charges at which this BESS operation method can achieve relatively higher profitability is examined.

本誌: 電気学会論文誌B（電力・エネルギー部門誌） Vol.143 No.8 （2023）

本誌掲載ページ: 483-491 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejpes/143/8/143_483/_article/-char/ja/