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One-price system

In the one-price system, the purchase and sales prices of imbalance energy are identical.

During an up-regulating period, the price of imbalance energy is the up-regulating price, and during a down-regulating period, the price of imbalance energy is the down-regulating price. If no regulations have been carried out during an period, the price of imbalance energy is the Finnish day ahead price. The price is determined based on the activated regulation bids in the mFRR and aFRR energy markets.

The table below describes the various price systems.

On May 22, 2023, we switched to a 15-minute imbalance settlement period, the imbalance price will be the same every quarter of an hour. Pricing for a 15-minute imbalance will be switched to later, when the price of regulating power market is determined on a 15-minute basis and intraday cross-border trading in the Nordic countries moves to a 15-minute resolution.