Grid tied storage system cost breakdown in Finland 2025

In 2025, the electricity storage capacity charge will be €87.5/MW per month, i.e. half the capacity fee for a power plant. In addition, Fingrid is planning a reform of the connection fee, which aims to increase the contribution of new entrants to the network reinforcement needs the
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5 FAQs about [Grid tied storage system cost breakdown in Finland 2025]

When will Fingrid introduce a capacity fee?

In order to harmonise its pricing practices, Fingrid has decided to introduce a new component to the grid service fees, a capacity fee for grid energy storages, on August 1st, 2025.

How much will Fingrid charge in 2025?

In 2025, the electricity storage capacity charge will be €87.5/MW per month, i.e. half the capacity fee for a power plant. In addition, Fingrid is planning a reform of the connection fee, which aims to increase the contribution of new entrants to the network reinforcement needs they create.

Which power storage facilities should be connected to the Fingrid network?

In the future, electricity storage facilities with a nominal capacity of more than 30 MW, which are to be connected directly to the Fingrid network, must be connected to the strongest nodes of the main grid, 400+110 kV or 400 kV substations.

How much does a grid connection cost?

The complexity of grid connection requirements varies significantly based on location and local regulations, with costs ranging from €50,000 to €200,000 per MW of capacity. System integration expenses cover the sophisticated control systems, energy management software, and monitoring equipment essential for optimal battery performance.

How does the Finnish TSO respond to the growing number of renewable installations?

The Finnish TSO, Fingrid, is continuously taking measures to respond to the fast-growing number of renewable installations. The power system is getting more complicated both from a technical and commercial perspective, with many large changes occurring simultaneously both in electricity production and consumption.

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