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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

£6.1K

Skip Cost Rate

£39.68/MWh

£/MWh skipped · all-time

National Rank

165th worst

of 505 units · all technologies

#165/505National

Region Rank

12th worst

of 25 in South Wales · all technologies

#12/25Region

All-time total: £6.1K

£2.3K£1.7K£1.1K£574£0

JanFebMayJunJulSepOctNovJanMarJun

Worst 80%5 units

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

AberdarePeaker plant

£101.87/MWh£1.3K

AlcoaPeaker plant

£46.33/MWh£13.3K

SolutiaPeaker plant

£25.15/MWh£612

Peak Gen BarryPeaker plant

£21.95/MWh£6.1K

£19.12/MWh£3.4K