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Understanding out-of-merit dispatch in GB

Viewing Stage 5— Exclude volumes inaccessible to ENCC (short-notice thresholds)

Understanding out-of-merit dispatch in GB

Viewing Stage 5— Exclude volumes inaccessible to ENCC (short-notice thresholds)

Peak Gen Barry

Peaker plant · South Wales · PGBRY-1

Total Skip Cost

£6.3K

Skip Cost Rate

£40.51/MWh

£/MWh skipped · all-time

National Rank

169th worst

of 522 units · all technologies

#169/522National

Region Rank

11th worst

of 25 in South Wales · all technologies

#11/25Region

All-time total: £6.3K

£2.3K£1.7K£1.1K£574£0

JanFebMayJunJulSepOctNovJanMarJunSep

Worst 60%5 units

Most skipped (top 25%) Around parity Least skipped (bottom 25%)

AlcoaPeaker plant

£47.01/MWh£13.5K

AberdarePeaker plant

£42.89/MWh£1.3K

Peak Gen BarryPeaker plant

£22.47/MWh£6.3K

£20.77/MWh£3.7K

SolutiaPeaker plant

£17.64/MWh£612