India and China have turned to coal-fired power plants as backup to address higher power demand. Read more at straitstimes.com.
earlier than usual, causing widespread infrastructure damage and power outages.
Improving reliability of the grid would involve expensive upgrades. Transmission and distribution network improvements alone are likely to cost at least US$2 trillion over the next decade in the Asia-Pacific region, consultancy Wood Mackenzie predicted this month. Power from solar and wind is harder to forecast and control as it varies by local weather conditions, and cannot be ramped up or down in response to sudden demand spurts or dips – unlike with hydro and gas.
The share of renewables including hydro in Asia’s power mix is set to double from 2011 levels to 28 per cent this year, Wood Mackenzie predicts. Much of that growth has come from wind and solar, which combined will account for 14 per cent of the total, from 1 per cent in 2011.However, the authorities in India’s sun-drenched Rajasthan are finding it increasingly difficult to control voltage fluctuations due to the inconsistent nature of solar power output.
To meet surging recent demand, India has increased local coal production and boosted inventories to the highest levels since the pandemic and extended an emergency mandate that forces power plants running on imported coal to maximise output.
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