Main grid - Page 20 of 25

Main grid

Working together to create a new electricity market

The Smart grid working group appointed by the Ministry of Economic Affairs and Employment has published its interim report. The main message is that, in the future, consumers will have more opportunities to participate in the electricity market and be able to influence their electricity bill to a greater extent. A smart electricity system will provide actors with more possibilities, and is a cost-effective way to respond to the challenges of the energy transformation.

23.11.2017

Main grid

Renewing a main grid hub

The end of August was an historic moment at Alajärvi substation, as the last air blast circuit breakers in the main grid were removed from use as part of the substation renewal project. Project Manager Sami Mäki and Expert Heikki Porkka, who planned the transmission outages, have been involved in the different stages of this substation.

23.11.2017

Main grid

Cut P1 splits Finland into two

Cut P1 splits Finland into two areas: the north, with its focus on hydro and wind power, and the south, where nuclear and thermal power are predominant.

11.9.2017

Main grid

A drone is an efficient surveyor

Remote-controlled drones are rapidly becoming more common for professional use. A battery-powered drone equipped with a high-quality camera and GPS locator, also known as a mini helicopter, helps Fingrid experts collect location information and do surveying work.

11.9.2017

Main grid

Main grid collection moves to the Museum of Technology

Following closure of the Elektra electricity museum, its contents will be transferred to the Museum of Technology collections. One particular aim was to keep the main grid collection, which describes the construction and maintenance of the main grid, as a single entity. Part of the collection will be displayed in the new Land of Technology exhibition opening in October.

9.9.2017

Main grid

Rautarouva gets a new lease on life

Modernisation of the Rautarouva (Iron Lady) line, which is the oldest section of Finland’s main grid, is nearing completion. Work to renew the 82-kilometre Koria-Ylilikkälä power line is currently in progress. The 110-kilovolt power line is being dismantled and replaced with a new 400-kilovolt line.

9.9.2017

Main grid

Special arrangements to connect Olkiluoto 3 to the main grid

Fingrid and Teollisuuden Voima (TVO) have begun preparations to connect Olkiluoto 3 to the main grid. The connection will require special arrangements because, once completed, Olkiluoto 3 will be considerably larger than earlier electricity production units.

9.9.2017

Main grid

Travelling wave monitors provide more accurate fault location

Travelling wave monitors will be installed on 220/110 kV substations in northern Finland this autumn. In addition to more accurate fault location, the devices reveal hidden faults that can be repaired before a real fault situation even occurs. The monitors are manufactured by Qualitrol and will be installed by Siemens.

9.9.2017

Main grid

Keijo Tujunen 100 years

Keijo Tujunen, who made a long career at Imatran Voima, was one of the first true transmission line people. This notable and widely known man celebrated his 100th birthday in March.

9.9.2017

Main grid

Cyber security is ensured with genuine exercises

This year, the theme for Fingrid’s information security unit is training. The aim of the themed year is to create similar traditions for cyber training as for any other training by the transmission system operator. In the energy industry, interest in cyber training has developed in the wake of a threatening situation.

8.9.2017