Energy in the grid

Since the opening of the electricity market at the beginning of 2009, Swissgrid has been receiving various energy data in its capacity as transmission system operator and balance group coordinator. It makes these available to the public.

The data is published continuously in the following charts and monthly in the «Energy Overview Switzerland». The data are reliable from 6 months onwards, until then the partners from the electricity sector who provide Swissgrid with the data can still claim changes.

Frequency statistics

The grid frequency is 50 Hertz (Hz) throughout Europe. It fluctuates depending on the actual grid load. If more electricity is generated than is being consumed, the frequency is higher than 50 Hz. By contrast, if more electricity is consumed than is being generated, it is lower. The diagram shows these actual deviations.

Vertical load

The volume of energy used by consumers connected to the transmission grid is referred to as the vertical load. The diagram compares the monthly peak values of the vertical load.

Vertical feed-in

The volume of electrical energy that flows into the transmission grid in Switzerland is referred to as vertical feed-in. It is primarily supplied by power plants connected directly to the transmission grid.

Net feed-out

The net feed-out is obtained by deducting the feed-in from the feed-out.



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