Japan’s Shikoku to shut Ikata reactor for maintenance

Market: Coal, Electricity, Natural gas
12/07/24

Japanese utility Shikoku Electric Power is planning to shut down the 890MW Ikata No.3 nuclear reactor on 19 July, to carry out regular maintenance works.

The absence of Shikoku's sole reactor could prompt the utility to boost thermal power generation at coal-, gas- and oil-fired units to meet expected rises in electricity consumption for cooling purposes during the peak summer demand season.

The Ikata No.3 reactor is set to close for a three-month turnaround, after around 13 months of continuous operations. Shikoku plans to start test generation in the final phase of the maintenance on 30 September and complete the entire turnaround process on 25 October.

The potential fall in nuclear output could theoretically increase LNG demand by 170,270t over August-September, assuming an average gas-fired generation efficiency of 50pc.

Shikoku operates four thermal power plants, including the 1,385MW Sakaide gas- and oil-fired plant, 750MW Saijo coal-fired plant, 700MW Tachibanawn coal-fired plant and 450MW Anan oil-fed plant. Thermal capacity accounts for around 60pc of the utility's power portfolio.

By Motoko Hasegawa

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