ELEXON Circulars

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EL02435: High System Price when the System was long for Settlement Period 20 on 26 May 2016 [108.7 Kb] Issue Date: 27 May 2016

We are aware of an unusually high System Price (£256.77) when the system was long for Settlement Period 20 on 26 May 2016. We will provide a further update once we have more information about the Balancing Actions taken in that Settlement Period.

EL02434: Planned MIDP outage 20 May 2016 – impact on BMRS System Price Calculations and display [115.0 Kb] Issue Date: 25 May 2016

One of the Market Index Data Providers (MIDPs), APX Commodities Ltd, has advised us of a planned outage on Friday 20 May 2016 between 18:30 (BST) and 23:15 (BST).

As a result, the Market Index Data used to calculate the Market Index Price (MIP) will not be provided to the BSC Central Services by this MIDP for Settlement Periods 36-47 (inclusive).

EL02433: Update – Issue with Settlement Data due to a single Half Hourly Data Aggregator [108.7 Kb] Issue Date: 17 May 2016

To resolve this issue ELEXON raised and presented Trading Dispute DA788 at an emergency Trading Disputes Committee (TDC) meeting on 17 May 2016. The TDC upheld Trading Dispute DA788 and approved rectification through an Extra-Settlement Determination (ESD).

EL02432: Update: Issue with Settlement Data due to a single Half Hourly Data Aggregator [112.1 Kb] Issue Date: 12 May 2016

ELEXON Circular EL02430 confirmed that data submitted by a single Half Hourly Data Aggregator (HHDA) for DF Settlement Runs on 31 December 2013 and 1 January 2014 was erroneous. The error affects GSP Groups _A, _E, _G, _M and _N. As a result, Trading Charges are affected for Advice Notes due for payment today.

EL02431: Suppression of Acknowledgements relating to REMIT and Transparency test data [111.4 Kb] Issue Date: 12 May 2016

We have suppressed the issue of Acknowledgements (‘Acks’) and Negative Acknowledgements (‘Nacks’) from our Balancing Mechanism Reporting Service (BMRS) test environment for the duration of Operational Acceptance Testing (OAT). OAT is due to complete on 3 June 2016.

EL02430: Update: Issue with Settlement Data due to a single Half Hourly Data Aggregator [111.8 Kb] Issue Date: 11 May 2016

Further to ELEXON Circular EL02428, we can confirm that data submitted by a single Half Hourly Data Aggregator (HHDA) for DF Settlement Runs on 31 December 2013 and 1 January 2014 is erroneous. The error is limited to the two Settlement Dates and affects GSP Groups _A, _E, _G, _M and _N.

EL02429: New Party Novation application – Corona Energy Retail 5 Ltd (Party ID: SUPELEC3) [111.8 Kb] Issue Date: 11 May 2016

This is notice of an application to novate all rights and obligations under the BSC of Corona Energy Retail 5 Ltd (Party ID: SUPELEC3)

EL02428: Issue with Settlement Data due to a single Half Hourly Data Aggregator [16.5 Kb] Issue Date: 11 May 2016

An issue with the DF Settlement Run data for 31 December 2013 and 1 January 2014 has been brought to our attention. It appears that data submitted by a single Half Hourly Data Aggregator (HHDA) is erroneous.

Further Settlement Dates up to 12 January 2014 are currently under investigation.

EL02427: Completed today – planned National Grid BM outage [106.8 Kb] Issue Date: 10 May 2016

National Grid has notified us that the Balancing Mechanism (BM) planned outage for Tuesday 10 May 2016 was successfully completed at 12:36 (BST) today.

EL02426: Withdrawal from the Balancing and Settlement Code – Teesside Power Ltd [109.8 Kb] Issue Date: 9 May 2016

Teesside Power Ltd will withdraw from the Balancing and Settlement Code (BSC) on Tuesday 10 May 2016, in accordance with section A5.1 of the Code.