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Grid monitor reports that Japan's power consumption is rising due to the growth of data centres and chips.

Grid monitors in Japan said that the demand for electricity is expected to increase by 5.3% in the next decade. This will be driven primarily by data centres and semiconductor factories.

According to the Organisation for Cross-regional Coordination of Transmission Operators in Japan (OCCTO), power consumption is expected to increase to 846.13 billion Kilowatt-hours by March 2036. This compares to an estimated 803.37 billion kWh for fiscal 2025.

This growth rate was slightly lower than the 5.8% predicted a year ago, due to delays in construction schedules, changes in design, and other data centre issues that pushed back planned start-up dates, and the timing of reaching full demand. OCCTO stated that this has delayed the expected surge in demand for power to later years.

According to the?sector?, industrial demand is expected to increase by 18.3% during the period. Meanwhile, household electricity consumption will fall by 5.7% because of a declining population and improvements in energy efficiency.

The forecast for last year predicted a rise of 19.2% in industrial demand, and a decline of 5.4% in household consumption.

The electricity demand for new data centres and chip plants is expected to increase by 56.8 bn kWh in fiscal 2035 compared to a forecast last year of 51.4 bn kWh growth by fiscal 2034.

OCCTO releases its yearly?electricity forecast for the next 10 years, based upon surveys of Japan's ten major electric utilities.

OCCTO's 2023 projection showed a decline in electricity demand due to population shrinkage, energy-saving devices, and data centres. However, by 2024 the OCCTO revised their projections and projected growth, citing a surge in demand from chip factories and data centres. (Reporting and editing by Louise Heavens, Yuka Obayashi)

(source: Reuters)