Bangladesh has suffered a major power crisis in recent month as a result of higher global energy prices following Russia’s invasion of Ukraine, and has imposed regular service cuts to conserve electricity.
But it remained unclear what caused Tuesday’s unscheduled blackout, which hit more than 80 percent of the country shortly after 2 pm local time (0800 GMT), according to the Power Development Board.
Apart from some locations in Bangladesh’s northwest, “the rest of the country is without power”, Power Development Board spokesman Shamim Ahsan told AFP.
Ahsan said 130 million people or more were without electricity and it remained unclear what had caused the fault.
“It is still under investigation,” he said, adding that a technical malfunction was the probable cause.
Junior technology minister Zunaid Palak said on Facebook that power would be restored by 8 pm in the capital Dhaka, itself home to more than 22 million people.
Soaring energy prices have wrought havoc on the South Asian nation’s electricity grid in recent months, with utilities struggling to source enough diesel and gas to meet demand.
A depreciating currency and dwindling foreign exchange reserves left Bangladesh unable to import sufficient fossil fuels, forcing it to close diesel plants and leave some gas-fired power stations idle.
The government imposed lengthy power cuts to conserve existing stocks in July, with outages lasting up to 13 hours each day at their peak.
Tens of thousands of mosques around the country have been asked to curtail the use of air conditioners to ease pressure on the electricity grid.
The blackouts sparked widespread public anger and helped mobilise large demonstrations on the streets of the capital Dhaka.
At least three protesters were killed by security forces during the rallies, partly motivated by rising cost-of-living pressures.
Around 100 others were injured during a police crackdown on one demonstration, according to the opposition Bangladesh Nationalist Party.
Consumer inflation has hit household budgets hard and the government recently pledged to cap the price of several staple foods, including rice, to quell public discontent.
Bangladesh last witnessed a major unscheduled blackout in November 2014, when around 70 percent of the country went without power for nearly 10 hours.
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