Glossary

003 SVA Risk: Metering Equipment Installations are incorrect

This page outlines the risk SVA Metering Equipment is installed, programmed or maintained incorrectly including where Commissioning is performed incorrectly or not at all resulting in Erroneous or estimated data in Settlement.

Diagram of SVA Risk 003: Metering Equipment Installations
Diagram of SVA Risk 003: Metering Equipment Installations

How it relates to you

Risk 003 impacts all meters in the SVA market.

Parties responsible for risk factors

  • Licenced Distribution System Operator
  • Meter Operator Agent
  • non-Performance Assurance Parties

Parties responsible for operating controls

  • Licenced Distribution System Operator
  • Meter Operator Agent
  • Data Collector
  • non-Performance Assurance Parties

Risk 003 forms part of the new connection and metering installation 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.

  • Incorrectly installed Measurement Transformers (Current Transformers (CTs) and Voltage Transformers (VTs))
  • Incorrectly installed or configured Meters (e.g. incorrect ratios programmed into Meter, incorrect channel set up)
  • Faulty Metering Equipment batches
  • LDSO or MOA does not complete Commissioning of Metering Equipment correctly or at all
  • Third party (non-BSC) agents do not complete installation works correctly
  • On a change of HHMOA, the old MOA does not notify the new MOA that Commissioning has not been completed, or the new HHMOA does not complete Commissioning
  • Firmware upgrade leads to incorrectly programmed Meter

Potential solutions

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

Parties should understand their responsibilities in relation to this 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: £52.2 Million
  • Upper Impact: £148.7 Million
  • Volatility: High

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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