Weekly Summary   2025/08/31 - 2025/09/06

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)

08/31 09/01 09/02 09/03 09/04 09/05 09/06
24 hours 11.22 14.63 15.10 15.27 13.64 13.77 9.97
Day Time 11.79 17.46 17.24 17.93 15.54 15.74 10.21
Peak Time 10.12 17.13 18.54 17.19 18.35 16.95 7.81
Sell Volume 1,386,112 1,248,702 1,194,088 1,200,238 1,157,194 1,201,142 1,522,399
Buy Volume 1,062,909 1,207,219 1,232,877 1,219,944 1,114,056 1,101,247 1,074,472
Contract Volume 817,969 927,607 916,155 918,957 826,215 824,124 831,872