The country's energy grid was fully
restored, and any further problems that may arise would be for "local
reasons," Junior Power Minister Nasrul Hamid told reporters.
The blackout was Bangladesh's most severe since a 2007 cyclone knocked out the national grid for several hours, and once again exposed inefficient and dated infrastructure that has held back development in the South Asian nation.
Hamid would not say what exactly caused Saturday's blackout, which hit the country around noon after what some power officials described as a "technical glitch" in the transmission line that caused a cascade of failures throughout the national power grid, with power plants and substations shutting down automatically. For a power grid to work, electricity must be supplied constantly at a rate equal to demand.
"An investigation has been ordered. It could be misleading to talk before getting the findings," Hamid said.
Government officials offered some possible causes. One suggested a Bangladesh substation link to the Indian transmission line may have failed. Two others said there was an unexpected dip in the Indian supply, which at the time accounted for nearly 10 percent of the grid's 5,000-megawatt load. The three spoke on condition of anonymity because they were not authorized to speak to the media.
After an evening spent in the dark, most residents of the capital, Dhaka — a city of more than 10 million people — got electricity back by 1 a.m. Sunday, said Mohammad Nasir Uddin, a control room official for the Dhaka Power Distribution Co. Power was fully restored to all parts of Dhaka and the rest of the country by noon.
Power outages blamed on old grid infrastructure and poor management are common in Bangladesh, and many businesses and residents keep diesel-powered generators for a backup supply when the grid goes down. Saturday's blackout did not affect operations at the international airport and major hospitals in Dhaka.
But many offices normally open on Saturdays had to send their employees home, underlining how the country's energy woes have hampered economic development. The World Bank estimates that power outages cost Bangladesh at least 5.5 percent in lost business revenue last year.
Meanwhile, no country has ever raised its gross domestic product without simultaneously increasing its electricity consumption. Bangladesh last year posted a GDP of $130 billion — less than a tenth of the market capitalization of the entire Bombay Stock Exchange in India.
Bangladesh is considered one of the most energy-poor nations, with one of the lowest per capita electricity consumption rates in the world. More than a third of its 166 million people still have no access to electricity, while the country often is able to produce only some of its meager 11,500-megawatt generation capacity.
Bangladesh has tried to improve its energy situation, extending access to electricity to about 3.45 million more people since 2008. Last year, it started to import electricity from India through the 400-kilovolt transmission line, which runs from Baharampur in the Indian state of West Bengal to the town of Bheramara in southwestern Bangladesh.
It also has signed agreements with energy companies in Russia, Japan, China and the United States to build power plants and improve energy infrastructure.
The blackout was Bangladesh's most severe since a 2007 cyclone knocked out the national grid for several hours, and once again exposed inefficient and dated infrastructure that has held back development in the South Asian nation.
Hamid would not say what exactly caused Saturday's blackout, which hit the country around noon after what some power officials described as a "technical glitch" in the transmission line that caused a cascade of failures throughout the national power grid, with power plants and substations shutting down automatically. For a power grid to work, electricity must be supplied constantly at a rate equal to demand.
"An investigation has been ordered. It could be misleading to talk before getting the findings," Hamid said.
Government officials offered some possible causes. One suggested a Bangladesh substation link to the Indian transmission line may have failed. Two others said there was an unexpected dip in the Indian supply, which at the time accounted for nearly 10 percent of the grid's 5,000-megawatt load. The three spoke on condition of anonymity because they were not authorized to speak to the media.
After an evening spent in the dark, most residents of the capital, Dhaka — a city of more than 10 million people — got electricity back by 1 a.m. Sunday, said Mohammad Nasir Uddin, a control room official for the Dhaka Power Distribution Co. Power was fully restored to all parts of Dhaka and the rest of the country by noon.
Power outages blamed on old grid infrastructure and poor management are common in Bangladesh, and many businesses and residents keep diesel-powered generators for a backup supply when the grid goes down. Saturday's blackout did not affect operations at the international airport and major hospitals in Dhaka.
But many offices normally open on Saturdays had to send their employees home, underlining how the country's energy woes have hampered economic development. The World Bank estimates that power outages cost Bangladesh at least 5.5 percent in lost business revenue last year.
Meanwhile, no country has ever raised its gross domestic product without simultaneously increasing its electricity consumption. Bangladesh last year posted a GDP of $130 billion — less than a tenth of the market capitalization of the entire Bombay Stock Exchange in India.
Bangladesh is considered one of the most energy-poor nations, with one of the lowest per capita electricity consumption rates in the world. More than a third of its 166 million people still have no access to electricity, while the country often is able to produce only some of its meager 11,500-megawatt generation capacity.
Bangladesh has tried to improve its energy situation, extending access to electricity to about 3.45 million more people since 2008. Last year, it started to import electricity from India through the 400-kilovolt transmission line, which runs from Baharampur in the Indian state of West Bengal to the town of Bheramara in southwestern Bangladesh.
It also has signed agreements with energy companies in Russia, Japan, China and the United States to build power plants and improve energy infrastructure.
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