The fluctuations in wind output are less than those of demand, and wind peaks often occur at the same time as demand peaks. Nevertheless, the steady export of power throughout this period, which averaged around 1000 MW to Sweden, Germany and Norway, is maintained even when there is little or no wind generation, such as during the March 3-5 period. When the wind generation increases substantially, such as on March 7 and March 13, exports rose at the same time and almost exactly matched the wind generation. It appears, in other words, that the system operators do not allow for wind in the scheduling and prefer to export most of the production rather than use less thermal generation. Exports continue even when increases in wind output are matched by increases in demand, as is often the case.
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