aFRR, Automatic Frequency Restoration Reserves, Capacity Market Energidataservice aFRR, Automatic Frequency Restoration Reserves, Capacity Market

Energinet makes daily procurement of automatic frequency restoration reserves (aFRR) on an hourly capacity market. This site provides market-related information for the balancing capacity market. Here, you can find details on requested demand, procured volumes, and reserve prices across different directions and price areas per hour. Note: The demand and procured volume may not match exactly. Some of the demand can be covered by other TSOs and likewise, the procured volume may help meet other TSOs’ needs. This is managed by the platform algorithm in the Nordic aFRR capacity market. For further information, please see: * Nordic aFRR capacity market * Balancering og systemydelser * Balancing and Ancillary Services As of 2024-10-02, a new capacity market for aFRR DK1 has been introduced, and data has been added to the dataset. "Nordic" has been removed from the the dataset title. The Upward demand and Downward demand columns contain values starting on 2025-08-21. API Request Frequency \ To get the data for tomorrow, calling the API with a dynamic timestamp such as start=StartOfDay%2BP1D is a good approach. Making a request every five minutes or so between 8:00 and 9:30 CET is sufficient to ensure getting the latest data.