Transmission reliability of Fingrid remained high in 2019

The reliability of the transmission grid managed by Fingrid remained at a good level and was 99.9998 percent of the transferred energy. This corresponds to a ten-year average.

The volume of electricity not transmitted for consumption due to disturbances was 173 MWh.

The calculated economic damage for consumer customers caused by disturbance outages was 5.2 million euros.

Disturbances in Fingrid’s transmission grid caused an average of 4 minutes time with no electricity in connection points. The number of disturbances was 227, and the number of interruptions (≥ 30 s) in connection points averaged 0.18. The number does not include fast automatic reclosings.

The energy not received from power plant production to the national grid was 178 MWh and the calculated economic damage of the energy not received was 10 000 euros.

For more information, see our website's section Supply security on electricity:
https://www.fingrid.fi/en/grid/power-transmission/supply-security-of-electricity/

More information:
Specialist Markku Piironen 
tel. +358 30 395 4172