Power rationing when it sizzles
June 25, 2011, Saturday
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Print Edition
Print Edition
SOME stores and businesses in Minhang District will be forced to shut down this summer when the thermometer hits 37 degrees Celsius or above, as Shanghai grapples to cope with power shortages.
The maximum power load of Minhang is about 3 million kilowatts, while its power consumption is estimated at about 2.96 million kilowatts when temperatures aren't sizzling. About a quarter of power consumption is residential.
Shanghai is among at least 10 provincial grids expected to be hit by power shortages in July and August, according to the State Grid of China.
"The power grid will face pressure at peak consumption times, but we will take every effort to ensure that power supply to homes is not affected," said an official with the Shinan branch of Shanghai Electric Power Co, who declined to be named.
The Shinan branch supplies power to the Minhang district.
The closure of 13 department stores alone during peak consumption times on hot days will free up 4,160 kilowatts of capacity.
A total of 1,458 businesses and factories in the district will have to adjust their work schedules to avoid operating during peak hours, and 2,260 companies will rotate days off. Those measures are expected to save 200,000 kilowatts of electricity every day.
Many office building will be required to turn off or turn down air-conditioning systems during hot afternoons.
"While we will try to keep power up to residential areas, we are also asking people at home to save energy where they can," the Shinan official said.
The government raised retail power prices for non-residential users in 15 provinces by about 3 percent this month - the first hike since November 2009 - to spur power production and curb demand from energy-guzzling industries.
Tariffs for residential users remain unchanged. Grid operators now charge 0.617 yuan per kilowatt-hour in daytime and 0.307 yuan per kilowatt-hour at night in Shanghai.
The maximum power load of Minhang is about 3 million kilowatts, while its power consumption is estimated at about 2.96 million kilowatts when temperatures aren't sizzling. About a quarter of power consumption is residential.
Shanghai is among at least 10 provincial grids expected to be hit by power shortages in July and August, according to the State Grid of China.
"The power grid will face pressure at peak consumption times, but we will take every effort to ensure that power supply to homes is not affected," said an official with the Shinan branch of Shanghai Electric Power Co, who declined to be named.
The Shinan branch supplies power to the Minhang district.
The closure of 13 department stores alone during peak consumption times on hot days will free up 4,160 kilowatts of capacity.
A total of 1,458 businesses and factories in the district will have to adjust their work schedules to avoid operating during peak hours, and 2,260 companies will rotate days off. Those measures are expected to save 200,000 kilowatts of electricity every day.
Many office building will be required to turn off or turn down air-conditioning systems during hot afternoons.
"While we will try to keep power up to residential areas, we are also asking people at home to save energy where they can," the Shinan official said.
The government raised retail power prices for non-residential users in 15 provinces by about 3 percent this month - the first hike since November 2009 - to spur power production and curb demand from energy-guzzling industries.
Tariffs for residential users remain unchanged. Grid operators now charge 0.617 yuan per kilowatt-hour in daytime and 0.307 yuan per kilowatt-hour at night in Shanghai.
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