Lack of grid capacity hampers wind power producer
September 27, 2012 Category Alternative energy, Environment
Wind power producers in three northern regions of China were forced to waste CNY6.6 billion of electricity generated in this year’s first half due to chronic power grid capacity shortages, the State Electricity Regulatory Commission (SERC) said. An average 16% of the three regions’ wind farm operators’ total output was not transmitted to the grid in the period, even worse than the 12.5% recorded in the first half of 2010. The three regions together accounted for 87.7% of China’s total wind power generating capacity. The average wastage rate was as high as 27% in Gansu province, 24% in the Inner Mongolia Autonomous Region and 15% in Heilongjiang and Jilin provinces in the northeast. They are among the top wind power producing regions. The commission blamed a lack of coordination between the pace of development of wind farms by developers and the government’s expansion of power grids, as well as lagging improvement in inter-region grid transmission capability as the main culprits for the problem that has been plaguing the nascent clean energy industry in the past few years. “Wind project construction cycles are short, while those of power grids are long,” said the report. The growth in wind power capacity in China slowed from 100% in 2009 to 73% in 2010 and 39% last year, due to shortages of transmission capacity, according to Global Wind Energy Council’s data. Monopoly power grid builder and operator State Grid Corporation of China had invested a total of CNY440 billion into grid connection infrastructure to wind farms by the end of last year.
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