NESO called a Turn Down event on 4 Sep 2025, running from 17:00 to 21:00 across 8 half-hour settlement periods. 289.8 MW was procured against a 385.0 MW requirement (75% 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
385.0 MW
Procured
289.8 MW
75% of requirement
Bid Cost
£16.0k
Bids
22 / 52
accepted / total
Participants
5
Accepted Volume by Participant
Aggregated across 8 half-hour periods, sorted by accepted volume
All bids rejected (2)
OCTOPUS 207.0 MW @ £138/MWhGRIDBEYOND 67.2 MW @ £150/MWh
Half-Hour Periods
17:00
17:30
18:00
18:30
19:00
19:30
20:00
20:30
ProcuredSettledReq: 385.0 MW per period
Requirement vs Procured by Period
Participants
| Participant | Volume | Cost | Avg Price |
|---|---|---|---|
| INFINIS LIMITED | 262.6 MW | £29.0k | £110/MWh |
| OAKTREE POWER LIMITED | 20.0 MW4.0 MW rejected | £2.2k | £109/MWh |
| EQUIWATT LIMITED | 7.2 MW | £828 | £115/MWh |
| OCTOPUS ENERGY LIMITED | 0.0 MW207.0 MW rejected | £0 | £138/MWhrej |
| GRIDBEYOND LIMITED | 0.0 MW67.2 MW rejected | £0 | £150/MWhrej |