Weekly Summary   2026/09/20 - 2026/09/26

Weekly summary of power market in Japan Electric Power Exchange (JEPX)

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JEPX spot index prices

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JEPX spot trading volume

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JEPX index prices and spot trading volume (yen/kWh, MWh)

09/20 09/21 09/22 09/23 09/24 09/25 09/26
24 hours 15.59 17.92 16.32 17.98 22.09 19.10 17.14
Day Time 16.61 19.79 14.48 17.06 22.92 19.20 18.28
Peak Time 15.00 19.93 8.37 12.66 19.67 16.57 19.66
Sell Volume 1,584,109 1,579,020 1,678,520 1,649,198 1,612,286 1,651,945 1,550,082
Buy Volume 1,112,773 1,218,463 1,203,439 1,255,156 1,427,967 1,351,263 1,198,002
Contract Volume 892,240 934,002 975,731 1,007,013 1,098,254 1,043,315 948,580