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  • Deadline to respond to DESNZ consultation on LCCC & ESC Operational Costs

    The Department for Energy Security & Net Zero is seeking views on the proposed operational cost budgets and resulting levies for the Low Carbon Contracts Company (LCCC) and the Electricity Settlements Company (ESC) for the financial years 2026/27, 2027/28 and 2028/29. Read the consultation here: Low Carbon Contracts Company and Electricity Settlements Company Operational Costs 2026/27, 2027/28 and 2028/29  The consultation...

  • LCCC Webinar on the ILR and TRA forecast for Q2 2026

    LCCC’s Forecasting Team are hosting a webinar on the Interim Levy Rate and Total Reserve Amount forecast for Q2 2026. Also, they will cover the outcome from how the Q4 2025 performed against the forecast. To secure your spot at this webinar, please do register here. If you have any suggestions or feedback on what else...

  • Mock System Stress Event Reporting Period

    On 17 Februry 2026, we will issue Mock System Stress Event Reporting to Capacity Providers. This reporting is to address data quality issues to improve the overall settlement accuracy if a System Stress Event were to happen. We have consolidated further details together on our Settlement Data webpage to support Capacity Providers in understanding the reporting received....

  • Clock Change on Sunday 29 March 2026

    We would like to remind those who submit metered data via a self-submission metering pathway that Sunday 29 March 2026 is a clock change. The clocks go forward an hour and this results in the Settlement Day, Sunday 29 March 2026 having 46 Settlement Periods. The method to deal with clock change days is described in Appendix 7...

  • Deadline to lodge CfD Supplier Credit Cover for Q2 2026

    Suppliers are required to maintain their Credit Cover requirement using the Interim Levy Rate applicable for the Quarterly Obligation Period. The CfD Interim Levy Rate of £10.260/MWh is effective from 1 April 2026 to 30 June 2026. If a Supplier is required to lodge additional Credit Cover, please ensure you have sufficient Credit Cover lodged by 5:00pm on 31 March 2025....

  • Deadline to lodge Nuclear RAB Supplier Credit Cover for Q2 2026

    Suppliers are reminded that they must maintain their Credit Cover requirement using the Interim Levy Rate applicable for the Quarterly Obligation Period. For the Quarterly Obligation Period from 1 April 2026 to 30 June 2026, the Nuclear RAB Interim Levy Rate is £4.683/MWh. If your organisation is required to lodge additional Credit Cover to meet this...

  • First Come, First Served Window Opens for 2026/27 Delivery Year

    In its role as the Settlement Body, Electricity Settlements Company (ESC) has implemented the First Come, First Served (FCFS) process to ensure that each asset is only included in one Metering Configuration. At 10:00am on Tuesday 31 March 2026, the FCFS window opens for the 2026/27 Delivery Year. From this point, you can submit your...

  • Credit Cover Deadline for Financial Commitment Milestone (DY 28/29)

    Capacity Providers (CPs) who have not met their Financial Commitment Milestone within 12 months of the Auction results (T-4 2028/29) must increase Credit Cover from £10k to £15k per MW per CMU. NESO have notified those CPs who have not met FCM within 12 months. The deadline to lodge additional Credit Cover with us is...

  • LCCC Webinar on the ILR and TRA forecast for Q3 2026

    Online

    LCCC’s Forecasting Team are hosting a webinar on the Interim Levy Rate and Total Reserve Amount forecast for Q3 2026. Also, they will cover the outcome from how the Q1 2026 performed against the forecast. To secure your spot at this webinar, please do register here. If you have any suggestions or feedback on what else...