Date published:
SEM Tariffs and Charges Decision Paper for the 2026/27 Tariff Year
As required under Trading and Settlement Code Part B, a number of Market Parameters require approval by the SEM Committee each year. These parameters are:
• Supplier Capacity Charge Price
• Difference Payment Socialisation Multiplier
• Residual Error Volume Price
• Currency Cost Price and Currency Adjustment Charge Factor
• Annual Capacity Charge Exchange Rate
This paper sets out the final values to apply for each of these items in the tariff year 1 October 2026 until 30 September 2027.