Glossary

Monitoring the Settlement performance standards

The Performance Assurance Board committee agree the approach to monitoring the Supplier Half Hourly (HH) and Non-Half Hourly (NHH) Settlement performance standards and applying Error and Failure Resolution (EFR) on a quarterly basis.

Here are details agreed by PAB regarding the current approach.

Industry Expectations

All Suppliers below the 97% Non-Half Hourly standard at RF, the 99% Half Hourly Measurement Class C standard at SF and the 99% Half Hourly sub 100kW  standard at R1 should be striving to improve performance above these levels and providing updates to their Operational Support Managers on how the work being undertaken to do this.

Quarterly review

There will be an ongoing quarterly review approach taken to managing performance standards and the application of EFR as a response to these issues. Therefore, Elexon and the PAB will reassess the points below on that quarterly basis and confirm any changes to the industry.

‘Focus Suppliers’

Elexon and the PAB’s efforts are predominately focused on Suppliers with the largest volume of non-compliant estimation (referred to here as the ‘focus Suppliers’).

Focus Suppliers are Suppliers with a monthly volume of non-compliant estimation above 2,000MWh in the NHH market and 1,500MWh for the HH Measurement Class (MC) C and HH Sub 100 kWh (MCs E, F and G).

This will be reviewed quarterly, with the next review taking place in February 2022 when the PAB has indicated the threshold for the NHH market may reduce to as low as 1,500MWh and that the threshold for the HH markets is likely to be maintained.

It is the intention that this threshold will continue to reduce as the industry performance improves.

Suppliers who enter EFR

Suppliers with non-compliant energy levels above the threshold following the quarterly reviews are likely to enter Error and Failure Resolution (EFR) in accordance with BSCP538 EFR so that Elexon and the PAB can monitor the issue.

The PAB has indicated that it will require quarterly forecasts from Suppliers within the EFR technique. However, failure to achieve the performance increases within these will not result in the PAB taking escalation steps at the current time.

EFR Exit

The EFR exit threshold for Suppliers re-entering EFR at this point will be to have a volume of less than 1,000MWhnon-compliant estimation for the NHH market and 750MWh of non-compliant estimation a month for the HH markets but the PAB will also reassess this on a quarterly basis. The next review is taking place in February 2022 when the PAB has indicated the exit threshold may be reduced for the NHH, potentially to as low as 750MWh and is likely to be maintained for the HH markets.

EFR assessments this quarter

The PAB will apply the following EFR timetable for this quarter:

PAB Reporting Month

Relevant Settlement Dates for Reporting

EFR Exit Criteria assessed

Focused Suppliers assessed for EFR

December 2021

September 2021 at R1 for HH

September 2020 at RF for NHH

December 2021

January 2022

January 2022

October 2021 at R1 for HH

October 2020 at RF for NHH

January 2022

February 2022

February 2022

November 2021 at R1 for HH

November 2020 at RF for NHH

February 2022

March 2022 (apart from in the unlikely event that the February threshold review removes the need for this assessment).

 

 

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