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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

£3.8K

Skip Cost Rate

£27.42/MWh

£/MWh skipped · all-time

National Rank

185th worst

of 465 units · all technologies

#185/465National

Region Rank

14th worst

of 25 in South Wales · all technologies

#14/25Region

All-time total: £3.8K

£1.9K£1.4K£965£482£0

JanFebMayJunJulSepOctNovJanMar

Worst 80%5 units

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

AberdarePeaker plant

£97.48/MWh£1.3K

AlcoaPeaker plant

£45.90/MWh£13.2K

SolutiaPeaker plant

£17.63/MWh£428

Peak Gen BarryPeaker plant

£14.25/MWh£3.8K

£12.64/MWh£2.2K