034 CVA Risk: SVAA Data Processing and Transfer


This page outlines the Risk that the SVAA does not process or transfer the correct data or does not use approved default data.

How it relates to you

Parties responsible for risk factors

  • Data Aggregator
  • Non-Performance Assurance Parties

Parties responsible for risk controls

  • Non-Performance Assurance Parties

Potential causes

Potential causes, or as they known in the Risk Evaluation Register: Risk Factors are the points of failure that could result in erroneous or estimated data entering Settlement.

Elexon has identified a number of typical failure points related to this risk, parties should note the list is non-exhaustive, and not all risk factors are applicable to every role type.

  • SVAA incorrectly adjust Settlement data at the DF run
  • SVAA uses incorrect reference data e.g. SVAA does not use right LLF / VAR calendar / excludes DA from standing table / GSP Group Take data / MDD / uses incorrect profile data
  • SVAA system outage e.g. causing default data not to be processed or processed late
  • SVAA incorrectly process data e.g. including VAR run and other post-validation checks / DA file incorrect or failed validation / incorrectly calculating Daily Profile Production
  • SVAA sending incorrect or not sending at all SAA-I007 data to the SAA

Potential solutions

Parties responsible for operating controls should take note of the information below. This identifies the BSC Sections and Procedures relating the risk.

Review the processes outlined in the following documents and ensure that internal processes match the requirements:

Impact of this risk on the industry

  • Impact: £179.9K
  • Upper Impact: £8.4 Million
  • Volatility: High

In order to calculate the impact this risk has on your Party, multiply your market share by the impact as outlined above.

Further information

Risk Evaluation Register sets out further detailed information on the noted controls. Details can be found under Associated Documents. 

Support and training

Operational Support Managers (OSMs) are able to help with further information or training on this risk and associated processes.

Methodology used for this risk

The following documents outline the methodology used to assess the Settlement Risk related to Agent appointments.


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