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System Inertia
Summary
NESO has published a dataset containing estimates of system inertia levels on the GB transmission system, including both actual outturn inertia and market-provided inertia. The data excludes contributions from Stability Pathfinder service units.
Why it matters
This data helps market participants and analysts track grid stability metrics as the system transitions away from conventional generation, which is crucial for understanding system security and the need for additional stability services.
Key facts
- •Dataset published 1 July 2021
- •Covers GB transmission system inertia
- •Excludes Stability Pathfinder units
Timeline
Effective date1 Jul 2021
Areas affected
transmissiongeneratorswholesale marketrenewablesflexibility
Related programmes
Stability PathfinderNet Zero
Publisher description
This dataset contains an estimate of the outturn inertia and market provided inertia for Great Britain Transmission System. It does not include the contribution from Stability pathfinder units
Full extracted text
This dataset contains an estimate of the outturn inertia and market provided inertia for Great Britain Transmission System. It does not include the contribution from Stability pathfinder units