Market Wide Half Hourly Settlement (MHHS)

Securing site access for a TAA Inspection Visit

Can the Appointed MOA work on the metering system before the Inspection Visit takes Place?

Information required from audit participants before a TAA Inspection Visit

MOA, LDSO or NETSO attendance at a TAA Inspection Visit

TAA Working Instructions

Information required from the DC or CDCA following a TAA Inspection Visit

Reference 001 – CoP Determination

Reference 002 – Approved Protocols

Reference 003 – Current Transformers and Open Bars (Appropriate Seals)

Reference 004 – Metering Dispensations

Reference 005 – Complex and Non-Complex Sites

Reference 006 – Measurement Uncertainty

Reference 007 – Onshore and Offshore CVA Inspections/Audits (including Aggregation Rules)

Reference 008 – No Access, Supplier, MOA and LDSO

Reference 009 – Passwords

Reference 010 – Phase Rotation

Reference 011 – Resolution of Metering

Reference 012 – Sealing

Reference 013 – Prevailing Load Test

Reference 014 – Commissioning for Metering Equipment installed before 6th November 2018 or where the Metering Equipment is owned by the Customer

Reference 014(A) – Commissioning for Metering Equipment installed on or after 6^th November 2018 where the Metering Equipment is owned by the Licenced Distribution System Operator (LDSO) or Transmission Company

Reference 014(B) – Pre-June 1993 Commissioning

Reference 015 – CoP4 Records

Reference 016 – Measurement Transformer Certificates

Reference 017 – Fusing and Links

Reference 018 – Outstation Time Keeping

Reference 019 – Overall Accuracy

Reference 020 – Meter Compensation

Reference 021 – Duty of Care

Reference 022 – Checking that Main and Check Meters are correctly identified

Reference 023– Defined Metering Point