Day-ahead spot · intraday · history

Price Explorer

Delivery date

48-slot curve · 2026-09-20

All areas selectable · dashed = trailing 7-day average per slot

  • Kyushu (九州)
  • System (システム)
  • Tokyo (東京)
  • Volume (MWh)
00:0003:0006:0009:0012:0015:0018:0021:0007142128solar middayevening ramp

Daily average price history

Time-weighted daily averages by area

  • Hokkaido (北海道)
  • Kyushu (九州)
  • System (システム)
  • Tokyo (東京)
06-2106-3007-0907-1807-2708-0508-1408-2309-0109-1009-2007142128

Price heatmap · days × 48 slots

Purple = ¥0.01 floor · cyan low · amber mid · red spike

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Sources: JEPX spot & intraday CSV · TSO area supply-demand actuals (エリア需給実績, OCCTO format) for 9 areas · Prices in ¥/kWh · Analytics for information only, not investment advice.