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Download Japanese electricity market CSV files, including JEPX spot data, half-hourly regional demand and generation mix data, historical demand data, and weather data for the main city in each region.
Historical JEPX day-ahead and intraday spot market price data in CSV format.
These files cover all regions: Hokkaido, Tohoku, Tokyo, Chuubu, Hokuriku, Kansai, Chuugoku, Shikoku, Kyushu.
Each ISO provides half-hourly data back to different dates, so the files do not all start and end on the same date. The data fields in these files are:
Area Demand (MW), Nuclear, Thermal (LNG), Thermal (Coal), Thermal (Oil), Thermal (Other), Hydroelectric, Geothermal, Biomass, Solar PV Output, Solar PV Curtailment, Wind Power Output, Wind Power Curtailment, Pumped Storage, Battery Storage, Interconnected Lines, Others, Total
Data before 31-Mar-2024 was provided at one-hour resolution.
Daily maximum temperature and daily minimum temperature.
The data and resulting information on this site are provided for informational purposes only and are not intended for commercial use. The data sources and hosting resources for this site do not guarantee the accuracy of the data or its availability at all times.
Keywords: Japan Electricity, Japanese Electricity, Japan Power, Japanese Power, JEPX, Japan Electricity Power Exchange, Japanese Power Demand, Japanese Electricity Demand, Japanese Power Market Data Download, Half-Hourly Demand Data, Generation Mix CSV
Data sources: Spot Price from JEPX, demand data from various regional companies, and weather data from JMA.