NESO called a Turn Down event on 27 Oct 2025, running from 16:00 to 19:00 across 6 half-hour settlement periods. 150.0 MW was procured against a 500.0 MW requirement (30% fill rate), with 6 participants submitting bids. The merit order chart below shows accepted and rejected volumes by participant, sorted by who delivered the most.
Requirement
500.0 MW
Procured
150.0 MW
30% of requirement
Bid Cost
£8.2k
Bids
20 / 40
accepted / total
Participants
6
Accepted Volume by Participant
Aggregated across 6 half-hour periods, sorted by accepted volume
All bids rejected (3)
OCTOPUS 222.5 MW @ £150/MWhGALLAGHER 12.0 MW @ £200/MWhGRIDIMP 4.0 MW @ £160/MWh
Half-Hour Periods
16:00
16:30
17:00
17:30
18:00
18:30
ProcuredSettledReq: 500.0 MW per period
Requirement vs Procured by Period
Participants
| Participant | Volume | Cost | Avg Price |
|---|---|---|---|
| INFINIS LIMITED | 121.8 MW | £13.3k | £109/MWh |
| OAKTREE POWER LIMITED | 20.0 MW | £2.3k | £113/MWh |
| EQUIWATT LIMITED | 8.2 MW | £984 | £120/MWh |
| OCTOPUS ENERGY LIMITED | 0.0 MW222.5 MW rejected | £0 | £150/MWhrej |
| GALLAGHER AGGREGATES LIMITED | 0.0 MW12.0 MW rejected | £0 | £200/MWhrej |
| GRIDIMP LTD | 0.0 MW4.0 MW rejected | £0 | £160/MWhrej |