UMM (details)
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Remarks
Quarterly Polarity Reversal Elimination (QPRE) will be introduced on SwePol in connection with the transition to 15-minute MTUs in the day-ahead timeframe. The method allows ramping only every fourth MTU (MTU 1, 5, 9…93). This means that the ramping limitation remains 300 MW for the first MTU every hour but is set to zero every other MTU and that the flow can change in the first quarter of each hour and remains unchanged during the rest of the hour. QPRE will be introduced from the trading day the 30th of September for the delivery day the 1st of October, 2025.
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