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Japan decides not to issue summer power saving request

  • Spanish Market: Coal, Electricity, Natural gas
  • 21/05/26

The Japanese government has decided not to request electricity conservation this summer, because the country has secured sufficient supply capacity and fuels to meet expected peak demand despite a hotter-than-normal weather forecast.

All of Japan's 10 service areas are projected to maintain reserve margins of more than 3pc in July-September, above the minimum 3pc level needed to cope with emergencies such as spikes in demand and unexpected power plant outages, even if the country experiences its hottest summer in the past decade, Meti said on 20 May.

The capital Tokyo region, Japan's biggest power consuming area, is now expected to post reserve margins of 3.5pc in the first half of August and 3.7pc in the second half. The ratio rose from the previous estimate of 2.4pc made in March for the entire month, given the capacity addition through the public tender.

Tepco Power Grid secured 976MW, including 18MW of demand response, at an average contract price of ¥299/kW ($1.88/kW) through an open call for 1.2GW held in April, with the capacity required to be available over 1 July-18 September. Jera, the country's largest power producer, won the tender with its 1GW Sodegaura No.2 gas-fired unit, which has been mothballed since 1 April.

Power demand in Japan is expected to remain firm this summer. Northern areas face a 60pc chance of above-normal temperatures in June-August and other regions a 70pc chance, according to a Japan Meteorological Agency forecast released on 19 May.

Along with output capacity, power producers have so far secured sufficient fuel for generation, despite concerns over disruptions to crude and LNG shipments through the strait of Hormuz due to the US-Israel war with Iran. Japan's main power utilities held 2.04mn t of LNG as of 17 May, broadly in line with the average level for the past five years, Meti said. Thermal coal inventories also remained stable as of mid-May, while power producers generally maintain stocks equivalent to about one month's consumption, or around 7mn-9mn t, according to Meti's hearings with companies.

Power producers also operate oil-fired plants during peak summer and winter demand periods. They held more than 500,000 kilolitres (3.15mn bl) in inventory as of the end of January, well above monthly consumption levels, while company hearings confirmed that stock levels remained stable as of mid-May, Meti said.


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