013 SVA Risk: Manual Adjustments to Metered Data incorrect


This page outlines the risk that manual adjustments to metered data are not completed correctly, or at all.

Diagram of 013 SVA Risk: Manual Adjustments to Metered Data incorrect
Diagram of 013 SVA Risk: Manual Adjustments to Metered Data incorrect

How it relates to you

Risk 013 impacts all meters in the SVA market.

Parties responsible for risk factors

  • Supplier
  • Data Collector
  • Data Aggregator

Parties responsible for operating controls

  • Supplier
  • Data Collector

Risk 013 forms part of the data retrieval and processing process shown in the Risk Visualisation Tool.

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.

  • Registrant does not direct manual adjustments in authorised situations (e.g. Trading Disputes)
  • Data Collector or Data Aggregator does not action request for manual adjustment (e.g. following Erroneous Transfer process)
  • Manual adjustment volume is calculated incorrectly
  • Manual adjustment applied or allocated incorrectly (e.g. adjustment applied to incorrect Registers)

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 BSCPs and ensure that internal processes match the requirements.

Impact of this risk on the industry

This graph highlights the probability distribution of this risk and cost incurred to the industry when a risk manifests over the course of a year.

  • Impact: £14.2 Million
  • Upper impact: £23.4 Million
  • Volatility: Medium

In order for you (a party) to calculate the impact this risk has on your party, please multiply your market share by the impact as outlined above.

Probability graph

Further information

Risk Evaluation Register sets out further detailed information on the noted controls.

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 document outlines the methodology used to assess the Settlement Risk related to the retrieval of metered data.


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