The grid is expanding at pace – where and why?
Building new transmission lines is an important step to improve the vitality of a municipality. Right now, many more connection enquiries are made than connections can be realised. Therefore, the main grid and its connections are only built where the customers have project permits and construction can begin10.03.2025
Precise work in the heart of the grid
The commissioning of substations and transmission lines involves several important steps to ensure safety and the functioning of the grid. In this process, seamless collaboration between Fingrid’s specialists, contractors and the main grid control centre is key.28.03.2025
Viewpoint
Municipalities play a crucial role in enabling
the energy transition.
Preventive action is the prerequisite for a high standard of occupational safety. The amount of preventive action has increased enormously on Fingrid’s worksites over the past ten years.
The rapid electrification of society and industrial investment plans already pose a major challenge to the development of the power system.
Managing the nationwide power balance has become more important, and the revenue from balance services has accounted even for as much as two-thirds of the company’s revenues. As a result, Fingrid has transformed from an infrastructure company into a service company.
The most effective solution for the construction of offshore wind power from the perspective of both developers and consumers is that the project developer is responsible for building the connection lines and connecting their power plant to the mainland grid substation. This approach is also used in other production and consumption projects, allowing Fingrid to focus on developing the main grid.
The reform aims to reduce consumers’ exposure to fossil fuel price spikes, to accelerate investments in renewable energy sources (RES), and flexibility resources, and to enhance prevention of market manipulation.
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Precise work in the heart of the grid
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The commissioning of substations and transmission lines involves several important steps to ensure safety and the functioning of the grid. In this process, seamless collaboration between Fingrid’s specialists, contractors and the main grid control centre is key.
Commissioning engineer needs programming skills
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Maintenance of substations in the main grid requires various inspection, maintenance and preventive measures. Fingrid is supported by commissioning engineers, one of whom is Helsinki-based Valtteri Laine.
A mammoth on the way
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Transporting a transformer weighing hundreds of tonnes to a substation by road requires precise planning. Before the route is clear, inspections, modelling, geometry, negotiations and often also infrastructure construction or repair are required.
