SEM-23-067 Constraints Costs (Imperfections Charges) October 2023 – September 2024 and Reforecast Report October 2021 – September 2022 Decision Paper Published 15 September 2023
SEM-21-062 Other System Charges Decision Paper for the Tariff Year 2021/2022 Published 16 August 2021
SEM-20-047 Other System Charges (OSC) Decision Paper for the tariff year 2020/2021 Published 22 July 2020
SEM-18-042 Other System Charges (OSC) Decision Paper for the tariff year 2018/2019 Published 21 August 2018
SEM-16-050 Imperfections Charge 2016-17 and Incentive Outturn 2014-15 Decision Paper Published 19 August 2016
SEM-16-047 Other System Charges (OSC) Decision Paper for the tariff year 2016/2017 Published 11 August 2016