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ELEXON Circulars

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(Showing items 81-90 of 841)

EL02549: Performance issues on ‘Legacy’ BMRS ( [110.5 Kb] Issue Date: 8 November 2016

The ‘Legacy’ BMRS website is currently experiencing performance issues, we are investigating the root cause and will provide a further update as soon as possible.

EL02548: BSC Central Services planned downtime – Wednesday 9 November 2016 [118.4 Kb] Issue Date: 7 November 2016

There will be a planned downtime for the BSC Central Services between 02:57 (GMT) and 09:15 (GMT) on Wednesday 9 November to implement enhancements designed to improve the performance of the ‘Legacy’ Balancing Mechanism Reporting Service (BMRS) website (

EL02547: Planned MIDP Outage on Tuesday 8 November 2016 – Impact on BMRS System Price Calculations and display [114.0 Kb] Issue Date: 4 November 2016

ELEXON has been advised by one of the Market Index Data Providers (MIDPs), APX Commodities Ltd, of a planned outage due to take place on Tuesday 8 November 2016 between 20:30 (GMT) and 22:30 (GMT).

This means the Market Index Data used to calculate the Market Index Price will not be provided to BSC Central Services by this MIDP for Settlement Periods 42-45 (inclusive).

EL02546: High Grade Line communication failure – 3 November 2016 [109.6 Kb] Issue Date: 3 November 2016

Further to BSC Bulletin 249, we experienced a High Grade communication failure between 03:42 (GMT) and 04:19 (GMT) today which prevented a number of High Grade users from submitting Energy Contract Volume Notifications (ECVNs) to the Energy Contract Volume Allocation Agent (ECVAA) system.

EL02545: Successful novation application – EDF Energy (Cottam Power) Limited [108.7 Kb] Issue Date: 2 November 2016

This is a notice of the successful novation of all rights and obligations of Party ID: COTPOWER from Jade Power Generation Limited (company number: 04000132) to EDF Energy (Cottam Power) Limited (company number: 04074196).

EL02544: Update on the performance of the ‘Legacy’ BMRS ( [113.6 Kb] Issue Date: 1 November 2016

Further to ELEXON Circulars EL02541 and BSC Bulletin 247 the performance of the ‘Legacy’ BMRS (Balancing Mechanism Reporting Service) has improved following the removal of the redirection which was put in place yesterday, 31 October 2016.

EL02543: Resolved – intermittent issue affecting availability of ECVAA web service [105.3 Kb] Issue Date: 1 November 2016

We have now removed the interdependency between the ECVAA web service and the ‘Legacy’ BMRS website. The ECVAA web service is now operating as expected.

EL02542: Intermittent issue affecting availability of ECVAA web service [105.6 Kb] Issue Date: 1 November 2016

An intermittent issue affecting the availability of the Energy Contract Volume Aggregation Agent (ECVAA) web service is preventing some users from accessing the system.

EL02541: Unavailability of ‘Legacy’ BMRS ( [111.0 Kb] Issue Date: 31 October 2016

The ‘Legacy’ BMRS website is currently unavailable, however all of the data remains available to Parties via the ‘New’ BMRS website ( We recommend that all Parties use this website until further notice. We will provide an update on the resolution of the ‘Legacy’ BMRS issue as soon as possible.

EL02540: Increase in the Credit Assessment Price (CAP) to £98/MWh from 22 November 2016 [111.7 Kb] Issue Date: 31 October 2016

Following consultation with Trading Parties and after considering the upcoming January forward prices into the reference price calculation along with the upcoming winter period, the Credit Committee determined that the Credit Assessment Price (CAP) value will be increased to £98/MWh, from Tuesday 22 November 2016.