The 39th Conference on Energy, Economy, and Environment
開催地
和文:
東京
英文:
Tokyo
アブストラクト
This paper simulated the operation of pumped hydropower plants using "PROMOD" software, a commercial software of the security constraint economic dispatch, and publicly available data on electricity supply, demand, and interregional grid for FY 2018 and FY 2030 in Japan. First, as a validity assessment, we confirmed that the model reproduced the actual annual electricity generation mix and the electricity generated by pumped hydropower plants for FY 2018. Furthermore, we confirmed that the calculated short-term marginal cost price reproduced hourly fluctuations of spot market prices well, except for a temporary price spike. Then, using this model, we analyzed the operation of pumped hydropower plants based on the Japanese government's outlook in FY 2030. The results showed that the annual amount of pumped hydropower generation will increase by about 1.6 times in FY 2030. Then, we proved the increase in storage value by pumped hydropower based on the price difference between pumping and generation. The result indicates that the role of power storage by pumped hydropower will expand in maximizing the use of electricity from solar and wind power generation in FY 2030.
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