Dynamic Services (DC/DM/DR) | National Energy System Operator

Dynamic Services (DC/DM/DR) | National Energy System Operator Show/Hide Menu Toggle Add to favourites Close tooltip Sign in to add this page to your favourites Sign in or register Show favourites Close Close tooltip Sign in or register to manage your favourites Sign in or register Help You are now signed in Visit My NESO account to view and manage your dataset subscriptions. Maybe later Go to your account Dynamic Services (DC/DM/DR) Dynamic Containment (DC), Dynamic Moderation (DM) and Dynamic Regulation (DR) make up our suite of Dynamic Response Services. Together they work to control system frequency and keep it within our licence obligations of 50Hz plus or minus 1%. DM provides fast acting pre-fault delivery for particularly volatile periods, and DR is our staple slower pre-fault service. DC is our post-fault service. Dynamic Response 2025 Consultation Launch On 20 Nov 2025 we launched our EBR Article 18 consultation to Industry, which is open until 5pm 19 Dec 2025. We are proposing several changes to the Dynamic Response Services in this consultation that will improve the operational effectiveness of the service and the approach to performance monitoring and penalisation. We believe these changes will enhance security, competition and value for money. Consultation Documents The consultation is an opportunity for industry to respond to the proposals and to offer their feedback and views. We encourage anyone interested in the proposals included in this Dynamic Response consultation to respond to the consultation before the deadline. If you have any questions or would like to schedule a call, you can contact the team via email . Consultation Document Service Terms (redline) Procurement Rules (redline) Proforma The indicative time frame for the consultation is outlined below. Completed Published November December-March April-May July-August Image Technical requirements New providers Existing providers Document library Technical requirements Here are the technical requirements for a unit to provide each service: Service specification Description DC DM DR Initiation time The maximum time between a change in frequency and change in the delivery of response 0.5s 0.5s 2s Max time to full delivery The maximum time between frequency devition occurring and delivery of the saturation quantity 1s 1s 10s Delivery duration Time that an energy limited provider must be capable of sustained delivery 15 minutes 30 minutes 60 minutes New providers If you're a new provider, the New Dynamic Response Services Guidance can support your onboarding journey. DC DM DR onboarding checklist Here's an onboarding checklist of the pre-qualification requirements. It's essential to complete it before a unit can participate in the Dynamic Containment, Dynamic Moderation, and Dynamic Regulation auctions. DC DM DR Onboarding Checklist BM units Provider / Unit level Non BM units Provider / Unit level Asset testing per service Unit Asset testing per service Unit Operation metering Unit Operation metering Unit Data Concentrator - Performance monitoring Provider Data Concentrator - Performance monitoring Provider Data Concentrator - Availability Provider Contract Forms ABC Provider Contract Forms ABC Provider Asset registration on SMP Unit Asset registration on SMP Unit Provider registration on SMP Provider Existing providers Publication of auction results: The DC, DM, and DR auctions run on the EAC platform. You can access daily-updated data from auction results through the NESO Data Portal (WIP) . Adding assets to your system: As a registered provider, you can add new assets via the Single Markets Platform . Performance Monitoring support: We've published the DM/DR/DC Performance Monitoring CSV template for providers to transfer to our data concentrator API. This process will help support the upload of performance monitoring data. Data Concentrator: Data Concentrator is the channel by which BM and non-BM providers share performance monitoring data. For the launch of DM/DR, BM providers will also submit availability information via Data Concentrator using the Notification of Availability/Outage CSV File Format . It will replace the current fax-based process for submitting availability declarations. The availability field in operational metering will deprecate in favour of the Data Concentrator route. Data Concentrator information Settlements Information: Payments for response services are handled by our settlements team. Access the Settlements page Document library All documents relating to New Dynamic Services are available here to download, including previous archived versions. Guidance and supporting documents Legal documents EAC BCP templates Market engagement 2026 Market engagement 2025 Market engagement 2024 Market engagement 2023 Market engagement 2022 Market engagement 2021 Market engagement 2020 Guidance and supporting documents Rich text Update 20 Jan 2026: NBM integration to OBP documentation - WSDL PDF_v1.1 - This version includes a correction in ConsumeNomination.pdf file in line 145, where an endpoint reference to www.nationalgrid.com has been replaced with obp.neso.energy . Name Published OBP Integration Communication 9 Feb 2026 Final Guidance on Baseline and Meter Data Approaches for Dynamic Response 4 Feb 2026 NBM integration to OBP documentation - WSDL PDF_v1.1 20 Jan 2026 DM/DR/DC Performance Monitoring CSV template 9 Dec 2025 Dynamic Response Services - Provider Guidance 30 Oct 2025 ASDP Service Provider – Web Services Specification Version 4 v1.3 17 Oct 2025 ASR Frequency Response System Set-up for Ancillary Service Provider (DM/DR/DC) v2 1 Sep 2025 Assessment of baseline and meter data approaches for Dynamic Response 27 Mar 2025 SoE Guidance 24 Mar 2025 SOE Management FAQs 18 Mar 2025 Name Published Response Services - Procurement Rules v5 (Effective 31st March 2026) 13 Mar 2026 Response Services - Procurement Rules v4 14 Oct 2025 Response Services - Service Terms 28 Aug 2025 Balancing Service Glossary General Terms 14 Nov 2022 Archive Name Published Response Services - Procurement Rules v3 28 Aug 2025 Dynamic Response ABSVD Article 18 Submission Document 29 Apr 2025 Response Services - Procurement Rules 16 Apr 2025 Response Services - Service Terms 16 Apr 2025 Ad hoc C9 & Dynamic Response A18 Consultation Document 7 Mar 2025 Response Services Service Terms 13 Nov 2024 Response Services Procurement Rules 13 Nov 2024 Dynamic Response R3 - Submission Document 4 Sep 2024 EBR Article 18 consultation: response services consultation document 27 Jun 2024 Response Services Service Terms 11 Mar 2024 EAC BCP templates Name Published Sort ascending EAC provider data template 29 Jan 2024 EAC tender template 29 Jan 2024 Consultation Drop in Sessions Name Consultation Drop in Sessions Q&A Dynamic Response Consultation Drop in Sessions Pre-fault frequency control modelling webinar Rich text March webinar Pre-fault frequency control modelling Q&A - 12 March 2025 Pre-fault frequency control modelling webinar slides - 12 March 2025 Pre-fault frequency control modelling webinar recording - 12 March 2025 Market engagement 2024 2024 Response and Reserve roadshows Roadshow slides February webinar Reason codes webinar recording - 5 February 2024 Reason codes webinar slides - 5 February 2024 Reason codes webinar Q&A - 5 February 2024 June webinar Reason codes webinar recording - 11 June 2024 Reason codes webinar slides - 11 June 2024 Reason codes webinar Q&A - 11 June 2024 September webinar Frequency Response Reform webinar recording - 21 September 2023 Frequency Response Reform webinar slides - 21 September 2023 Frequency Response Reform webinar Q&A - 21 September 2023 Anonymised EBR consultation responses - Dynamic Services May webinar Frequency Response Reform webinar recording - 15 May 2023 Frequency Response Reform webinar slides - 15 May 2023 Documents Name Published 2023 Balancing Services roadshow slides 8 Jun 2023 Anonymised EBR consultation responses - New Dynamic Services 20 Jan 2023 2022 Rich text Watch the EPEX – Client Certification webinar Frequency Response Reform webinar Name Published Frequency Response Reform Webinar Slides - 25 August 2022 6 Sep 2022 Frequency Response Reform FAQ Document - September 2022 6 Sep 2022 Performance calculator for DR High and DR Low 27 May 2022 Performance calculator for DR Low 27 May 2022 Performance calculator for DR High 27 May 2022 Performance calculator for DM High and DM Low 27 May 2022 Performance calculator for DM High and DM Low 27 May 2022 Performance calculator for DM Low 27 May 2022 BlockOrder FRA 27 May 2022 CTS++ Summary Sheet 27 May 2022 Rich text Response podcast Response Reform webinar DM/DR technical workshop output summary video Service design webinar DM/DR consultation overview webinar DM/DR consultation technical webinar DM/DR Service Terms video DM/DR webinar DC requirements webinar DCH webinar recording Mock auction webinar Name DC Requirements webinar slides DCH Webinar DCH Webinar FAQs EPEX_Linear Order Explained Block Order Example DC Procurement changes - webinar FAQ's Block Order Empty DC webinar slides Provider Data Template DM/DR Technical workshop FAQs - July 2021 Market engagement 2020 Rich text - Frequency Response Products Market Information Reports Podcast/videos - Podcast on Dynamic Containment (26/6/20) - Service Terms video (the PowerPoint version can be accessed below in the document library) (4/9/20) Webinars - Webinar recording of the soft launch webinar on 18 August (21/8/20) - Procurement rules and process webinar and slides (4/9/20) - Onboarding webinar and slides (4/9/20) - Testing webinar and testing guidance (4/9/20) - Mock tender review webinar (28/9/20) Consultations - EBGL Article 18 Dynamic Containment consultation (21/8/20). Following the consultation, Ofgem have approved the final Terms and Conditions and associated contractual documents. Alongside the Article 18 submission, NGESO also submitted an EBGL Article 26 document and a derogation related to Clean Energy Package Article 6(2), which were both approved. We submitted a letter to Ofgem following the end of the EBGL consultation which includes the consultation responses from providers. - EBGL Article 26 Dynamic Containment consultation (Oct 20) on the use of Dynamic Containment as a specific product. In the previous consultation, Ofgem approved the proposal we submitted on this but it was on the condition that we held a full consultation in October. The consultation was open until 30 November. Name DC FAQs - 21.10.20 update DC Mock tender review webinar slides DC Onboarding webinar slides DC Procurement rules and process webinar slides DC Service Terms video (download zip file approx. 1 min) DC soft launch webinar recording - 18 August 2020 (download zip file approx. 1 min) DC soft launch webinar slides - 18 August 2020 DC FAQs DC feedback summary DC webinar recording (download zip file approx. 3 mins) Assessment information The results from the tenders are published on the NESO Data Portal. Access the Data Portal Single Markets Platform The Single Markets Platform will allow interested parties to register and prequalify to participate in day-ahead frequency response markets in DC, DM, and DR. The SMP system is replacing the Form A, B and C processes, putting the ownership of data in the hands of the market participant. You can register as a user, share your company details, register assets, create units to participate in services and seek to prequalify such units. Our dedicated Single Markets Platform provides supporting guidance videos and user guides. Access the Single Markets Platform Further enquiries Get in touch with the right team within Balancing Services, who are on hand to answer any questions you may have. Email our Commercial Operation Team logo--facebook