All-time record
Most curtailed day
The most wind energy ever held below plan in a single day - wind farms paid to switch off because the grid could not carry their output. Transmission-connected wind only, so it is a lower bound, and the ledger starts in 2017.
The record
132.4 GWh
Set 2025-02-23
Recomputed from NESO's historic half-hourly data whenever new history is ingested. Eras a fuel wasn't tracked are excluded - never counted as zero.