The future is electric
Grid operations are a balancing act. Electricity is generated the moment it is consumed. Consequently, it is Statnett’s task to maintain a balance between production and consumption. The balance can be seen from the grid frequency, which indicates the rotational speed of the power units in the Nordic power system. The system is in balance at 50 Hz. Just as in a car engine, increased load will reduce the rotational speed. If the load in the power system increases, the frequency will decrease, and Statnett must ask the generators to increase their production. The normal operating range in the Nordic power system has been defined as between 49.90 and 50.10 Hz. Periods with operations outside this range are referred to as frequency deviations.
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