Proposed amendments to Data Assurance Guidance for March 2026 submissions
- Publication type:
- Consultation
- Last updated:
- Closed date:
- Status:
- Closed (with decision)
- Topic:
- Electricity distribution, Electricity transmission, Gas transmission, Gas shipping, Nuclear energy, National Energy System Operator (NESO)
We are seeking views on proposed changes to the Data Assurance Guidance
Details of outcome
We have taken the decision to update the Data Assurance Guidance (DAG).
The revised guidance provides greater clarity on the DAG reporting requirements and should be used by relevant Licensees with effect from 27 January 2026.
This decision notice outlines our decision to approve proposed changes to the Data Assurance Guidance (DAG).
This is following our statutory consultation on these proposed changes that commenced on 14 November 2025 and closed on 16 December 2025. We have decided to approve the modifications as set out below.
Read the full outcome
Original consultation
Consultation description
This consultation seeks views on proposed changes to the data assurance requirements for Electricity and Gas Transmission, Electricity and Gas Distribution, Electricity System Operator, Gas System Planner, Nuclear Energy Generator, Carbon Dioxide Transport and Storage Licensees for their Data Assurance Guidance submissions due by 31 March 2026.
Who should respond
We are keen to engage with licensees for:
- electricity and gas transmission
- electricity and gas distribution
- electricity system operator
- gas system planner
- nuclear energy generator
- carbon dioxide transport and storage
- and other interested parties
All updates
27 January 2026 Decision published and consultation status updated