“When our help was requested, we agreed and arrived at the transmission line’s disconnectors in no time. We managed to limit and earth the fault quickly,” Kenet Oy’s Operations Manager Veli-Pekka Kinnunen and Substation Engineer Risto Ekdahl recall the disturbance that occurred in January. Fingrid thanked the men for the good and well-functioning cooperation.
Demand response is an effective way to prepare for exceptional situations in the electricity grid. It supplements production response in disturbance situations. Fingrid has acquired a record amount of frequency-controlled disturbance reserve from demand response for 2017.
The Network Code for Emergency and Restoration harmonises the actions of transmission system operators during an electricity system disturbance.
Fingrid wanted to improve the availability and reliability of HVDC interconnections to a level that matched the importance of these cross-border connections. Major improvements in 2016 cut the number of outages ‘due to disturbances’ in half and reduced their duration to less than one-tenth of the average in previous years. How did Fingrid achieve such a fine outcome?
Although storm winds, lightning, crown snow load, frost and freezing rain pose a threat to power lines, Fingrid is well prepared for problem situations caused by the weather.
Fingrid Oyj
Läkkisepäntie 21
00620 Helsinki
Tel. 030 395 5267
Fingrid.fi
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Fingrid is Finland’s transmission system operator. We secure reliable electricity cost effectively for our customers and society, and shape the clean, market-oriented power system of the future.
