The Baseload Market Reference Price (BMRP) for Winter 2021, which covers October 2021 to March 2022, is £102.45/MWh. This is now available on the Settlement Data page of EMRS' website.
The Baseload Market Reference Price (BMRP) is calculated on a seasonal basis (condition 15 of the Contract for Difference Standard Terms and Conditions). Baseload prices are calculated using a traded volume weighted average based on forward season data received from the London Energy Brokers' Association (LEBA). The BMRP is published in April and October of each year.
For further detail, please see EMRS’ news item: Winter 2021: Baseload Market Reference Price.