Solar Energy Demand-to-Supply Management by the On-Demand Cumulative-Control Method: Case of a Childcare Facility in Tokyo

Hiromasa Ijuin, Satoshi Yamada, Tetsuo Yamada, Masato Takanokura and Masayuki Matsui
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Hiromasa Ijuin: Department of Informatics, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu-shi 182-8585, Japan
Satoshi Yamada: Department of Informatics, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu-shi 182-8585, Japan
Tetsuo Yamada: Department of Informatics, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu-shi 182-8585, Japan
Masato Takanokura: Department of Industrial Engineering and Management, Engineering Research Institute, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama-shi 221-8686, Japan
Masayuki Matsui: Department of Industrial Engineering and Management, Engineering Research Institute, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama-shi 221-8686, Japan

Energies, 2022, vol. 15, issue 13, 1-23

Abstract: In recent years, environmental and energy issues relating to global warming have become more serious, and there is a need to shift from conventional power generation, which emits an abundance of carbon dioxide, to renewable energy sources without emissions, such as solar and wind. However, solar power generation, which is one of the renewable energies, changes dynamically, depending on real time weather conditions. Thus, power supplied mainly by solar power generation is often unstable, and an appropriate on-demand energy management for demand-to-supply is required to ensure a stable power supply. Demand-to-supply management methods include inventory management analysis and on-demand inventory management analysis. The cumulative-control method has been used as one of the production management methods to visually manage inventory status in factories and warehouses, while the on-demand cumulative-control method is an extension of inventory management analysis. This study models a demand-to-supply management method for a solar power generation system by using the on-demand cumulative-control method in an actual case. First, a demand-to-supply management method is modeled by an on-demand cumulative-control method, using actual power data from a childcare facility in Tokyo. Next, the on-demand cumulative-control method is adopted to the case without batteries, and the amount of electricity to be purchased is estimated. Finally, the effectiveness of the maximum battery capacity and the amount of the initial charge are examined and discussed by sensitivity analysis.

Keywords: renewable energy; electricity storage management; power demand and supply forecast; initial charge; dynamic inventory control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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