EMR Settlement Limited

Deadline to complete Metering Assessments for 2025/26 Delivery Year
2025-07-05
By 5 July 2025, the following generating CMU types for the T-1 Auction are required to complete Metering Assessments for the 2025/26 Delivery:

Existing Generating
Proven DSR
Existing Interconnector

Further details on completing Metering Assessments is available on our Stakeholder Support for Capacity Providers webpage. We have provided information in G1 – Capacity Market Metering to aid with any technical queries you may have with the questions.
Please contact our Service Desk if you require further information or support.

Nuclear RAB drop-in session: Supplier Credit Cover
2025-07-10 10:00 - 22:45 UTC
Following our recent survey assessing Suppliers’ readiness for the operational launch of the Nuclear RAB scheme, EMR Settlement Limited (EMRS) and the Low Carbon Contracts Company (LCCC) are pleased to invite you to a series of drop-in sessions designed to support your preparation for the scheme.
The purpose of these sessions is to provide clarity on the settlement information and activities Suppliers need to undertake to ensure readiness for the scheme’s go-live.
Join EMRS and LCCC for the first drop-in session in the series, focused on Supplier Credit Cover.
Who should attend?
We strongly encourage all Suppliers to attend, particularly those who indicated they require additional support or feel less prepared for the scheme’s operational launch. The session is also suitable for those seeking a general refresher on this topic.
How to register?
If you would like to attend, please click here to register.
Further Information
If you have any questions about the session or require further support, please get in touch with us at contact@emrsettlement.co.uk. Please do let us know if there is additional information you would like to be covered in this session.

Delivery Body Prequalification Launch Event
2025-07-15
You’re invited to a Prequalification Launch event hosted by DB on Tuesday 15 July 2025. Click here to register.
DB will provide an overview of the upcoming Auction and facilitate an engaging discussion with key stakeholders. We will be in attendance and presenting on Applicant Credit Cover. We will be available to answer any queries you may have and we look forward to seeing you there!

Nuclear RAB drop-in session: Supplier Payments
2025-07-17 10:00 - 11:20
Following our recent survey assessing Suppliers’ readiness for the operational launch of the Nuclear RAB scheme, EMR Settlement Limited (EMRS) and the Low Carbon Contracts Company (LCCC) are pleased to invite you to a series of drop-in sessions designed to support your preparation for the scheme.
The purpose of these sessions is to provide clarity on the settlement information and activities Suppliers need to undertake to ensure readiness for the scheme’s go-live.
Join EMRS and LCCC for the second drop-in session in the series, focused on Supplier Payments and Supplier Backing Data, as well as providing a recap on Supplier Credit Cover.
Who should attend?
We strongly encourage all Suppliers to attend, particularly those who indicated they require additional support or feel less prepared for the scheme’s operational launch. The session is also suitable for those seeking a general refresher on this topic.
How to register?
If you would like to attend, please click here to register.
Further Information
If you have any questions about the session or require further support, please get in touch with us at contact@emrsettlement.co.uk. Please do let us know if there is additional information you would like to be covered in this session.

LCCC Webinar on the ILR and TRA forecast for Q4 2025
2025-07-23 10:00 - 11:00
LCCC’s Forecasting Team are hosting a webinar on the Interim Levy Rate and Total Reserve Amount forecast for Q4 2025. 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 would be useful to discuss during the webinar, please email LCCC at info@lowcarboncontracts.uk.

Deadline to demonstrate Satisfactory Performance to Avoid Termination
2025-07-31
For those Capacity Providers that did not demonstrate their Satisfactory Performance by 30 April 2025, you now have until 31 July 2025 to fulfill this requirement. If you do not fulfil this requirement by 31 July 2025, your capacity agreement will be terminated.
This deadline is for the following generating CMU types for both T-1 and T-4 Auctions, for the 2024/25 Delivery Year:

Proven DSR
Unproven DSR
New Build
Existing Generating
Existing Interconnector
Prospective Interconnector
Refurbishing

Further details on fulfilling this requirement is available on our Stakeholder Support for Capacity Providers webpage.
Please contact our Service Desk if you require further information or support.

Unproven DSR (T-4 Auction) deadline to provide Metering Test Certificate for DY 2025/26
2025-07-31
Capacity Providers are required to provide Metering Test Certificates to the EMR Delivery Body. For Delivery Year 2025/26, the deadline to provide this is 31 July 2025 for Unproven DSR for those with agreements from the T-4 Auction.
To obtain your Metering Test Certificate, you must first complete a Metering Test on My EMRS by submitting a Single Line Diagram, Metering Statement and any additional supporting documentation. After completing the Metering Test, we will notify the Capacity Provider of the outcome of the Metering Test. If successful, the Capacity Provider will be able to request a Metering Test Certificate on My EMRS.
WP197 – Capacity Market Metering Test is available to download and steps you through the Metering Test process.

Unproven DSR (T-1 Auction) deadline to provide Metering Test Certificate for DY 2025/26
2025-08-14
Capacity Providers are required to provide Metering Test Certificates to the EMR Delivery Body. For Delivery Year 2025/26, the deadline to provide this is 14 August 2025 for Unproven DSR for those with agreements from the T-1 Auction.
To obtain your Metering Test Certificate, you must first complete a Metering Test on My EMRS by submitting a Single Line Diagram, Metering Statement and any additional supporting documentation. After completing the Metering Test, we will notify the Capacity Provider of the outcome of the Metering Test. If successful, the Capacity Provider will be able to request a Metering Test Certificate on My EMRS.
WP197 – Capacity Market Metering Test is available to download and steps you through the Metering Test process.

Deadline for six week baseline demand for DSR CMUs
2025-08-20 17:00
Under the Capacity Market Rules, Capacity Providers are required to provide a baseline demand (in MW) for all Demand Side Response (DSR) CMU Components starting six weeks prior to the start of the next Delivery Year. During a System Stress Event, this baseline can be compared with the actual demand to determine the volume of capacity generated through DSR at that DSR CMU Component.
This year the deadline to provide the baseline metered data for the 2025/26 Delivery Year is by 5:00pm on Wednesday 20 August 2025, exactly six weeks prior to the start of the Delivery Year on 1 October 2025.
By 5:00pm on Wednesday 20 August 2025 you must have your metering pathways setup to ensure that by the start of the Delivery Year you will have provided six weeks’ worth of metered data.
Please take a look at step 5 of our Stakeholder Support for Capacity Providers webpage, which details how to setup your metering pathways. WP195 – CM & CfD Metered Data also provides information on submitting metered data prior to the start of the Delivery Year.
Please get in touch via 020 7380 4333 or email contact@emrsettlement.co.uk if you have a query, we will be happy to help.

Deadline to complete CP Metered Data Survey
2025-08-22 17:00
We have created a survey to better understand how Capacity Providers use the Metered Data Report available on My EMRS, and how frequently it is accessed.
Why is this survey important?
Capacity Providers who attended our Pre-Delivery Year event on 5 June 2025 will know we are keen to understand how the report is being used. Your feedback will help us ensure the Metered Data Report meets your needs and guide us in making improvements to its accessibility and functionality.
We’d really appreciate it if you could take a few minutes to fill out the survey and we strongly encourage you to do so to ensure yours and your organisations’ views are represented.

Respond to the survey here

The survey should take no longer than 10 minutes to complete and will close at 5:00pm on 22 August 2025.

Deadline for Suppliers to lodge Capacity Market Credit Cover for 2025/26 Delivery Year
2025-09-15 17:00
EMRS has issued the monthly Capacity Market Credit Cover and Supplier Charge schedules for the 2025/26 Delivery Year. The schedule contains the following:

A Supplier’s Credit Cover requirements;
Monthly deadlines for provision of Credit Cover; and
A Supplier’s monthly Supplier Charges.

This impacts Suppliers who submitted a non-zero Demand Forecast to us at the start of June 2025.
When do I need to have my Credit Cover in place?
Suppliers are required to lodge Credit Cover by no later than 12 Working Days before the start of the Delivery Year. Suppliers’ first deadline to lodge Credit Cover for October 2025 is by 5:00 p.m. on 15 September 2025.
We have detailed instructions for the process of lodging Credit Cover within this news item, as well as other key dates to be aware of for the 2025/26 Delivery Year.
If you have any further queries please do call 020 7380 4333 or email contact@emrsettlement.co.uk.

Deadline to provide Metering Test Certificate for DY 2025/26
2025-09-17
Capacity Providers are required to provide Metering Test Certificates to the EMR Delivery Body. For Delivery Year 2025/26, the deadline to provide this to EMR DB is 17 September 2025 for the following CMU types:
T-1 Auction:

Existing Interconnector
Existing Generating
Proven DSR

To obtain your Metering Test Certificate, you must first complete a Metering Test on My EMRS by submitting a Single Line Diagram, Metering Statement and any additional supporting documentation. After completing the Metering Test, we will notify the Capacity Provider of the outcome of the Metering Test. If successful, the Capacity Provider will be able to request a Metering Test Certificate on My EMRS.
WP197 – Capacity Market Metering Test is available to download and steps you through the Metering Test process.

LCCC Supplier Engagement Event
2025-09-24 10:00 - 15:30 | Glaziers Hall, 9 Montague Cl, London SE1 9DD, Glaziers Hall, London, SE1 9DD, United Kingdom
The Low Carbon Contracts Company (LCCC) are excited for the upcoming Supplier Engagement Event.
This event is for to share information on the schemes, updates on relevant government policies, and how LCCC can work better with Suppliers. This event offers a valuable opportunity to engage together in meaningful dialogue.
What to Expect:

Joint Presentations: From LCCC and other trade bodies such as EMRS, Energy UK, and National Gas
Q&A Session: Have your questions about our initiatives answered by our team
Panel Discussion: We will be showcasing key areas of policy, with the floor open to voice and feedback
Networking Opportunities: Enjoy a lunch while connecting with fellow suppliers and industry peers

Please register via Eventbrite page here to secure your place.

Deadline to lodge CfD Supplier Credit Cover for Q4 2025
2025-09-30 17:00
Suppliers are required to maintain their Credit Cover requirement using the Interim Levy Rate applicable for the Quarterly Obligation Period. The Interim Levy Rate of £10.298/MWh is effective from 1 October 2025 to 31 December 2025.
If a Supplier is required to lodge additional Credit Cover, please ensure you have sufficient Credit Cover lodged by 5:00pm on 30 September 2025.
We have published supporting information about how to lodge Credit Cover for Suppliers in our News section on the website and also via the Stakeholder Support for Supplier – CfD.

Deadline to complete Metering Assessments for 2025/26 Delivery Year
2025-10-01
By 1 October 2025, the following generating CMU types for the T-1 Auction are required to complete Metering Assessments for the 2025/26 Delivery:

New Build
Refurbishing
Prospective Interconnector

Further details on completing Metering Assessments is available on our Stakeholder Support for Capacity Providers webpage. We have provided information in G1 – Capacity Market Metering to aid with any technical queries you may have with the questions.
Please contact our Service Desk if you require further information or support.

Deadline to complete Metering Assessments for 2028/29 Delivery Year
2025-10-01
By 1 October 2025, the following generating CMU types for the T-4 Auction are required to complete Metering Assessments for the 2028/29 Delivery:

Existing Generating
Proven DSR
Existing Interconnector

Further details on completing Metering Assessments is available on our Stakeholder Support for Capacity Providers webpage. We have provided information in G1 – Capacity Market Metering to aid with any technical queries you may have with the questions.
Please contact our Service Desk if you require further information or support.

Deadline to provide Metering Test Certificate to EMR DB for DY 2025/26
2025-10-01
Capacity Providers are required to provide Metering Test Certificates to the EMR Delivery Body. For Delivery Year 2025/26, the deadline to provide this to EMR DB is 1 October 2025 for the following CMU types:
T-1 Auction:

New Build
Refurbishing
Prospective Interconnector

To obtain your Metering Test Certificate, you must first complete a Metering Test on My EMRS by submitting a Single Line Diagram, Metering Statement and any additional supporting documentation. After completing the Metering Test, we will notify the Capacity Provider of the outcome of the Metering Test. If successful, the Capacity Provider will be able to request a Metering Test Certificate on My EMRS.
WP197 – Capacity Market Metering Test is available to download and steps you through the Metering Test process.

LCCC Webinar on the ILR and TRA forecast for Q1 2026
2025-10-15 10:00 - 11:00
LCCC’s Forecasting Team are hosting a webinar on the Interim Levy Rate and Total Reserve Amount forecast for Q1 2026. Also, they will cover the outcome from how the Q3 2025 performed against the forecast.
They will also present indicative figures for the Q1 2026 Nuclear RAB forecast. Please note these are subject to change and will only be formally published one month before the start of the quarter.
To secure your spot at this webinar, please do register here.
If you have any suggestions or feedback on what else would be useful to discuss during the webinar, please email LCCC at info@lowcarboncontracts.uk.

Clock Change
2025-10-26
We would like to remind those who submit metered data via a self-submission metering pathway that Sunday 26 October 2025 is a clock change.
The clocks go back an hour and this results in the Settlement Day, Sunday 26 October 2025 having 50 Settlement Periods. The method to deal with clock change days is described in Appendix 7 Clock Change of WP195 – Capacity Market and CfD Metered Data which is available within our Working Practice section.
If you have any queries please contact us and one of our Operators will be happy to assist you.

Mock System Stress Event Reporting Period
2025-11-27
On 27 November 2025, 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.
During the period 27 November 2025 to 22 December 2025, we will be available to respond to any queries raised via the Service Desk in relation to your Mock System Stress Event Reporting.

Deadline to respond to DESNZ 'Capacity Market for Prequalification 2026' consultation
2025-11-27 23:30
The Department for Energy Security and Net Zero has launched a consultation proposing key changes to the Capacity Market for Prequalification 2026. Read the consultation here.
The consultation seeks views on six areas:

Multiple price Capacity Market: Introducing a second, higher, price cap into the auction that could, if needed, to secure new build dispatchable enduring capacity.
Ensuring efficient bidding in Capacity Market auctions: By reducing advance information to participants, thereby enhancing value for money.
Consumer-led flexibility: Implementing additional delivery assurance processes in relation to consumer-led flexibility assets entering the Capacity Market.
Allowing battery storage units to self-nominate connection capacity (below full network connection) to mitigate risk of failing extended performance testing.
Determining appropriate means for non-fossil fuel generation to access low carbon Capacity Market mechanisms by introducing sustainability criteria to evidence against.
Administrative and delivery assurance improvements to the CM Rules: Includes clarifications, termination fees, and payment suspension for insolvent units.

You can respond to one section or the whole consultation. The deadline to respond is 27 November 2025.
If you are a Capacity Provider, your insights are crucial. The reforms aim to ensure the CM remains fit for purpose in a rapidly evolving energy system, and your views can shape how it functions. Read the consultation here:

Deadline to lodge Nuclear RAB Supplier Credit Cover for Q4 2025
2025-11-28 17:00
On 7 November 2025, LCCC announced an adjustment to the Nuclear RAB Interim Levy Rate. 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 December 2025 to 31 December 2025, the Interim Levy Rate is £3.494/MWh.
Suppliers are required to lodge Credit Cover to meet this requirement, please ensure it is lodged by 5:00pm on 28 November 2025.
Our detailed News item includes:

The process for lodging Credit Cover
How your Credit Cover is calculated
Guidance how to monitor your Credit Cover

We strongly encourage Suppliers to read the News item to understand this update and the actions required.

Deadline for Conditionally Prequalified Applicants to lodge Credit Cover
2025-12-02 17:00
Following Prequalification Results Day on 11 November 2025, those Conditionally Prequalified Applicants are required to provide Credit Cover within 15 Working Days (WDs) after Prequalification Results Day. This deadline is 2 December 2025.
Our Working Practice, WP35 – Applicant Credit Cover will provide you with the templates for Letter of Credit and also the bank account details to lodge cash Credit Cover is required. The Stakeholder Support for Capacity Provider webpage provides an interactive process map detailing the activities and interactions you’ll have with EMRS as a Capacity Provider to support you in participating in the Capacity Market scheme.
These dates are confirmed within the Electricity Market Reform Capacity Market Operational Plan.

Tier 1 Disputes Results Day
2025-12-09
NESO (EMR Delivery Body) has completed the assessment and Applicants who disputed their initial prequalification decision are notified of appeal outcome. This date is confirmed within the Capacity Market Operational Plan published on NESO’s website.

Deadline to lodge Nuclear RAB Supplier Credit Cover for Q1 2026
2025-12-31
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 January 2026 to 31 March 2026, the Interim Levy Rate is £3.663/MWh.
If your organisation is required to lodge additional Credit Cover to meet this requirement, please ensure it is lodged by 5:00pm on 31 December 2025.
Our detailed News item includes:

The process for lodging Credit Cover
How your Credit Cover is calculated
Guidance how to monitor your Credit Cover

We strongly encourage Suppliers to read the News item to understand this update and the actions required.

Deadline to lodge CfD Supplier Credit Cover for Q1 2026
2025-12-31 17:00
Suppliers are required to maintain their Credit Cover requirement using the Interim Levy Rate applicable for the Quarterly Obligation Period. The Interim Levy Rate of £10.576/MWh is effective from 1 January 2026 to 31 March 2026
If a Supplier is required to lodge additional Credit Cover, please ensure you have sufficient Credit Cover lodged by 5:00pm on 31 December 2025.
We have published supporting information about how to lodge Credit Cover for Suppliers in our News section on the website and also via the Stakeholder Support for Supplier – CfD.

Tier 1 Disputes Applicant Credit Cover Deadline
2026-01-02 17:00
Following Tier 1 Disputes Results Day on 9 December 2025, those Conditionally Prequalified Applicants are required to provide Credit Cover within 15 Working Days (WDs) after Tier 1 Disputes Results Day; this deadline is 2 January 2026.
Our Working Practice, WP35 – Applicant Credit Cover will provide you with the templates for Letter of Credit and also the bank account details to lodge cash Credit Cover is required. The Stakeholder Support for Capacity Provider webpage provides an interactive process map detailing the activities and interactions you’ll have with EMRS as a Capacity Provider to support you in participating in the Capacity Market scheme.
These dates are confirmed within the Electricity Market Reform Capacity Market Operational Plan.

Deadline to respond to DESNZ consultation on LCCC & ESC Operational Costs
2026-01-02 23:59
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 will close at 11:59pm on 2 January 2026. For further details on the consultation and how to respond, please refer to the DESNZ dedicated webpage.
The operational costs of LCCC and ESC are recovered through levies on electricity Suppliers, as set out in legislation. This enables LCCC to enter into and manage Contracts for Difference (CfD) with low carbon electricity generators, and manage payments for the Nuclear RAB scheme to Sizewell C, while the ESC is responsible for financial transactions relating to the Capacity Market, including making capacity payments to Capacity Providers, controlling collateral and managing auction bid bonds.
Subject to the outcome of the consultation, the relevant regulations will be amended and the operational cost levies for 2026/27, 2027/28 & 2028/29 will be reflected in secondary legislation. This is intended to be laid in Parliament to come into force (subject to the will of Parliament) before 1 April 2026.

LCCC Webinar on the ILR and TRA forecast for Q2 2026
2026-01-21 10:00 - 11:00
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 would be useful to discuss during the webinar, please email LCCC at info@lowcarboncontracts.uk.

Mock System Stress Event Reporting Period
2026-02-17
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.
During the period 17 February 2026 to 12 March 2026, we will be available to respond to any queries raised via the Service Desk in relation to your Mock System Stress Event Reporting.
