MFF, Fast Frequency Reserve, DK2

Fast Frequency Reserve (FFR) automatic upward regulation reserve in price area DK2. This dataset publish demand, purchase and price for each hour. **Caution:*DKK prices are missing between April 1st and 5th 2024. We are working on resolving it. The need/demand is dynamic depending on inertia in the system and is published here: MFF, Fast Frequency Reserve, demand DK2 (https://www.energidataservice.dk/tso-electricity/ffrdemanddk2). The forecast per hour for the next operating day (d+1) is the quantity purchased in the auction for the coming operating day. Energinet purchases MFF per hour through daily auctions in a national market. Suppliers who want to bid for MFF capacity must have approved the technical properties of the facilities before bidding: Prequalification and test (energinet.dk) (https://en.energinet.dk/electricity/ancillary-services/prequalification-and-test/). For further information, please read more about the Fast Frequency Reserves and other ancillary services here Ancillary Services (https://en.energinet.dk/electricity/ancillary-services/) or Introduction to System Services (https://energinet.dk/electricity/system services/introduction-to-system services) (English).