Enehub Tokyo Area Price Spreads (365-Day Rolling, yen/kWh)
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Description
Enehub Tokyo Area Price Spreads represent the daily arithmetic mean of 30-minute day-ahead price spreads in yen per kWh between Tokyo and other TSO areas, based on prices published by JEPX.
For example, the Tokyo-Chubu spread on January 1, 2025, is calculated by summing the price differences between the two areas for each 30-minute period in the day and dividing the total by 48.
Values are positive when Tokyo prices are higher, and negative when lower. The index is calculated daily at 5:00 a.m. Japan time for the previous day’s data and is also available in monthly, annual, and rolling 30-, 90-, and 365-day views.
The 365-day rolling view represents the average of daily spreads for the most recent 365 days, including the latest day with available data.
Other views
- Daily
- Monthly
- Annual (calendar year)
- Annual (fiscal year)
- 30-day rolling
- 90-day rolling
- 365-day rolling
