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Monthly operational metered wind output

NESO·data_release·medium·12 May 2021·source document

Summary

NESO publishes operational metered wind output data by settlement period for Scotland, England and Wales. The data differs from settlement metering used in wind forecasting metrics due to pre-reconciliation timing. This provides real-time generation visibility for system operation.

Why it matters

Market participants gain operational transparency on wind performance across regions, supporting trading and balancing decisions. The operational/settlement metering split reflects the timing trade-off between speed and accuracy in electricity markets.

Key facts

  • Data provided per settlement period by region
  • Operational metering differs from settlement metering due to reconciliation timing
  • Covers Scotland, England, and Wales separately

Areas affected

renewableswholesale markettransmission
Memo

Metered wind output in MW for Scotland, England, and Wales. Output is provided per date per settlement period. Please note that this data is from operational metering and is therefore expected to be different to the data published as part of the wind forecasting metrics, as that data uses settlement metering which will be subject to reconciliation.