Finland interconnected grid system

What is the main grid in Finland?

Finland’s main grid includes approx. 14,500 km of transmission lines and over 120 substations (2023): The main grid serves electricity producers and consumers by enabling them to trade nationally and internationally. The majority of electricity consumed in Finland is transmitted via the main grid.

How is Fingrid connected to the Central European system?

The joint Nordic system is also connected to the Central European system by HVDC transmission links. Fingrid participates in ENTSO-E, the European Network of Transmission System Operators for Electricity. Main grid

Is Finland a synchronous grid?

Finland is part of the synchronous grid of Northern Europe. Industry was the majority consumer of electricity between 1990 and 2005 with 52-54% of total consumption. The forest industry alone consumed 30-32%. Between 2000 and 2006, up to 7 TWh per year was imported from Sweden and up to 11.5 TWh from Russia.

How is Fingrid connected to Estonia?

Finland is also connected to Estonia by HVDC transmission links. The joint Nordic system is also connected to the Central European system by HVDC transmission links. Fingrid participates in ENTSO-E, the European Network of Transmission System Operators for Electricity.

How does a distribution network work in Fingrid?

Distribution networks Distribution networks typically connect to Fingrid’s main grid via the 110 kV network and transmit electricity regionally on 110 kV lines. Distribution networks operate radially at voltage levels from 0.4 kV to 110 kV.

Why do we need interconnectors in Finland?

The interconnectors ensure the security of transmission to consumption in Finland. Statistics on Nordic and Baltic links for 2021 have been published on Fingrid's website. The statistics provide information on the transmission, availability and outages of direct current connections between different countries.