NESO called a Turn Down event on 1 Sep 2025, running from 16:00 to 22:00 across 12 half-hour settlement periods. 156.8 MW was procured against a 500.0 MW requirement (31% fill rate), with 5 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
156.8 MW
31% of requirement
Bid Cost
£7.8k
Bids
19 / 59
accepted / total
Participants
5
Accepted Volume by Participant
Aggregated across 12 half-hour periods, sorted by accepted volume
All bids rejected (2)
OCTOPUS 202.6 MW @ £140/MWhGRIDBEYOND 100.8 MW @ £150/MWh
Half-Hour Periods
16:00
16:30
17:00
17:30
18:00
18:30
19:00
19:30
20:00
20:30
21:00
21:30
ProcuredSettledReq: 500.0 MW per period
Requirement vs Procured by Period
Participants
| Participant | Volume | Cost | Avg Price |
|---|---|---|---|
| INFINIS LIMITED | 135.6 MW | £13.5k | £98/MWh |
| OAKTREE POWER LIMITED | 14.0 MW | £1.4k | £103/MWh |
| EQUIWATT LIMITED | 7.2 MW | £720 | £100/MWh |
| OCTOPUS ENERGY LIMITED | 0.0 MW202.6 MW rejected | £0 | £140/MWhrej |
| GRIDBEYOND LIMITED | 0.0 MW100.8 MW rejected | £0 | £150/MWhrej |