Consultations on Operations and Settlement

This page lists all Consultations relating to Operations and Settlement. The consultations allow ELEXON to gather feedback from the industry about proposed changes so that any concerns are considered as part of our processes.

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Credit Assessment Price Consultation 5 November 2018


We have issued a consultation paper on the value of Credit Assessment Price (CAP) . We invite Trading Parties to indicate whether they agree with the proposal to decrease the value of CAP to £68/MWh from its current approved level of £75/MWh.


You are invited to respond to this consultation using the consultation proforma. Please email your responses to by 17:00 on Tuesday 13 November 2018. 

Consultation on reducing CADL and DMAT parameters in 2018


We issued a consultation on the value of the pricing parameters De Minimis Acceptance Threshold (DMAT) and Continuous Acceptance Duration Limit (CADL). These parameters are used to classify and remove actions as part of the Imbalance Price Calculation.

We are proposing reducing CADL from 15 minute to 10 minutes and reducing DMAT from 1MWh to 0.1MWh.


If you have any views on views on the CADL and DMAT review,  please respond using the consultation response form and send your responses, entitled “CADL / DMAT Review 2018”, to by 17:00 on Friday 9 November 2018.

Consultation on how to align BSC reporting with EMR Regulations


The Schedule of EMR Settlement Data (which was agreed by ELEXON, LCCC, ESC and EMRS in 2015) specifies that EMRS will be provided with a BM Unit Gross Demand Report, containing the gross demand data that EMRS requires in order to calculate the payments due from each licensed Supplier.

But, since then, ELEXON has become aware of two evolutions:

  • In July 2017, BEIS and Ofgem published their joint Smart Systems and Flexibility Plan. This plan makes clear that BEIS and Ofgem now interpret the definition of ‘supply’ in the Electricity Act as meaning that the Supplier Obligation is not payable in relation to supply to premises occupied by a generator licence holder for the purpose of carrying out activities authorised under the generation licence, even if the generation is not ‘Licensable’.
  • ELEXON has been approached by parties seeking to facilitate exempt supply (by the operators of community generation assets to local customers) under the class A supply licence exemption. Because this supply is not being made by a licensed Supplier it should not be subject to EMR charges, but currently the BM Unit Gross Demand Report sent to EMRS includes these volumes in the gross demand for the licensed Supplier who has registered metering on behalf of the exempt supplier.

The consultation document seeks views on how we should progress interim and enduring solutions to these issues. The BSC Panel will consider responses to the consultation at their meeting on 8 November 2018.

MIDS Review 2018 Consultation


The Market Index Definition Statement (MIDS) defines the use of Market Index Data to calculate the Market Index Price (MIP), a price reflective of wholesale electricity for a Settlement Period in the short term market. An annual review of this document is required by the BSC, to ensure that the MIP is providing a reasonable reflection of the price of wholesale electricity in the short term market.

Changes to the MIDS timeband descriptions are recommended following BSC Modification P342, which decoupled the Submission Deadline for Energy Contract Volume Notifications (ECVNs) and Metered Volume Reallocation Notifications (MVRNs) from Gate Closure. BSC Modification P342 was implemented in November 2017.


Please respond using the consultation response form and send your responses, entitled  ‘MIDS Review 2018 Consultation’ , to  by 17.00 on Monday 22 October 2018.

P350 draft reference network mapping statement for Reference Year 2017-18


We issued a consultation on the draft reference network mapping statement for Modification P350 ‘Introduction of a seasonal Zonal Transmission Losses scheme’ to each Party. The network mapping statement is used for determining Nodal power flows in the calculation of Transmission Loss Factors. 


Please respond using the consultation response form and send your responses, entitled  ‘P350 Draft Reference Network Mapping Statement’, to  by 17.00 on Friday 14 September 2018.


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