Winter Peak Demand

This dataset provides forecast and actual Winter Peak Gross Demands up to 23/24 and forecast and actual Winter Peak Relevant Demand from 24/25 by delivery years.

Under the Capacity Market (CM), Suppliers are obligated to pay a monthly CM Supplier Charge to cover the costs of Capacity Provider payments, where they have made a supply during the Peak Period. Up to and including Winter 23/24 this charge was apportioned across Suppliers by their share of the Total Gross Demand for the Peak Period within a Delivery Year. From Winter 24/25 onwards this charge is apportioned across Suppliers by their share of the Total Relevant Demand for the Peak Period within a Delivery Year. The Peak Period shall mean the Winter months between Nov – Feb (inclusive).

This dataset is based on daily settlement figures and is not reconciled.

For Data for Winter 24/25 onwards 100% exemption for EII applies (Relevant Demand).

Data and Resources

Additional Info

Field Value
Last Updated July 24, 2024, 15:37 (UTC)
Created October 17, 2023, 16:01 (UTC)
Item Peak Winter Demand description. Actual /Forecast and delivery period.
Peak_Winter_Demand (MWh) The winter period shall mean the months between Nov – Feb (inclusive).
Price_cap_announcement_date Month of publication