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Tokyo faces tight power supply through 2023

Supply warnings likely in Nagoya area as well due to aging fossil-fuel plants

The Anegasaki Power Station in Chiba, Japan.  JERA restarted the fossil-fuel-fired plant in 2022. (Photo by Kai Fujii)

TOKYO -- Power shortages in Tokyo and Nagoya that began during March 2022 are expected to continue through this year, as reliance on aging fossil-fuel plants has left electric utilities without a stable, sufficient supply.

The area served by Tokyo Electric Power Co. Holdings (TEPCO) had a supply capacity surplus of 3.3% in July, just barely over the required 3%. When this surplus dips below 5%, consumers are asked to reduce power consumption immediately to avoid the risk of a blackout.

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