Main grid

Main grid

Under-frequency load shedding is the power system’s final option

Fingrid is currently responsible for arranging under-frequency control, but this responsibility will be spread more widely. In the future, distribution network operators and industrial operators connected to the transmission system will be responsible for under-frequency load shedding. These parties need to get themselves up to speed now, as all changes must be made by the end of 2022.

Main grid

The balance of the electricity system requires substantial forecast data

Fingrid’s operation planning unit is constantly producing forecasts of electricity consumption, generation and transmission to support the electricity system. As more and more electricity comes from weather-dependent generation – solar and wind power – the importance of forecasts will also grow.

Main grid

Network planning trusts in the power of scenarios

Network planning requires national and international cooperation. A vital tool for this is Europe’s ten-year network development plan (TYNDP), which is drafted every two years by the European Network of Transmission System Operators for Electricity (ENTSO-E).

Main grid

Reserve power – essential but rarely used

Finland has 1,300 megawatts of reserve power for use in the event of a disruption in electricity generation. Fingrid is responsible for ensuring the operational reliability of reserve power at all ten of its own plants and at seven leased plants. Reserve power is constantly on standby, although there are only a handful of disruptions each year, and the full power output is very rarely needed.

Main grid

EU support for Fingrid’s project

Fingrid and Svenska kraftnät’s joint project to build a third cross-border electricity connection has received a grant of EUR 4.3 million for the technical evaluation phase.

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