JEPX Pulse
Japan Power Market Intelligence
Day-ahead spot · intraday · history

Price Explorer

Delivery date

48-slot curve · 2026-09-19

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

Intraday (時間前) market · same delivery date

Weighted average and high/low per slot vs day-ahead system price · bars = traded volume (MWh/h)

  • Day-ahead system
  • High
  • Intraday avg
  • Intraday vol
  • Low
00:0003:0006:00015304560

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)
06-2006-2907-0807-1707-2608-0408-1308-2208-3109-0909-1907142128

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.