Main grid - Page 6 of 25

Main grid

Cross-border connections growing in importance

A uniform European electricity market based on clean electricity generation requires cross-border connections between countries. In Finland, Fingrid is responsible for developing and maintaining such connections. “Competition and the free movement of electricity across borders will reduce the price of electricity. In the future, no country will be able to constantly generate cheap electricity alone,” says Fingrid’s Senior Vice President Jussi Jyrinsalo.

20.3.2022

Main grid

Olkiluoto 3 is coming – we are ready

The Olkiluoto 3 nuclear power plant unit begins to contribute to Finland’s electricity generation. What does the commissioning of the new nuclear power plant mean for the security and self-sufficiency of the power system?
Minna Laasonen, Senior Expert at Fingrid, answers our questions.

17.3.2022

Main grid

In good condition at all ages

The main grid was built over several decades. The equipment in use consists of very different devices and structures of various ages, and every item needs to be kept in working order throughout its life cycle. Long-term maintenance will help to ensure a high transmission reliability rate from one generation to the next.

17.3.2022

Main grid

Even reliable electricity grids make preparations for crises

Regular system testing and practical exercises with various parties ensure that Fingrid is ready to respond to a crisis. For example, communication is paramount in the event of a major operational disturbance.

17.3.2022

Main grid

Save the most challenging worksite for last

Antti Puuska, who began working at Fingrid’s predecessor, Imatran Voima, in 1976, discusses how substation construction has changed over the last decades.

17.3.2022

Main grid

Frost scrubbers

Hoar frost sticks to the earth wires of transmission lines and presses them onto the phase conductors. The consequence is an earth fault, which de-energises the transmission line. If there is a very large amount of ice load, the tower structures or earth wires could break.

3.3.2022

Main grid

Finland and Sweden are strengthening their joint crisis management activities

The key personnel in charge of contingency planning in Finland and Sweden attended a course Hanaholmen to consider and practise effective ways of combatting and resolving civil crises.

21.12.2021

Main grid

Batteries as part of the energy system

The energy revolution requires the main grid and the entire energy system to be prepared for the fluctuations in generation output caused by renewable forms of energy. Batteries offer the possibility of the quick and accurate balancing of generation and consumption.

16.12.2021

Main grid

Good customer satisfaction

According to Fingrid’s annual customer satisfaction survey, customers continue to consider our work to be good, and, in the main, the results have remained largely the same as in the preceding year.

16.12.2021

Main grid

One of Finland’s most important substations to be refurbished

One of the most important substations in the electricity system of Finland – Fingrid’s Rauma substation – will be refurbished.

16.12.2021