NESO called a Turn Down event on 29 Sep 2025, running from 17:00 to 20:00 across 6 half-hour settlement periods. 192.6 MW was procured against a 500.0 MW requirement (39% fill rate), with 4 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
192.6 MW
39% of requirement
Bid Cost
£14.3k
Bids
40 / 42
accepted / total
Participants
4
Accepted Volume by Participant
Aggregated across 6 half-hour periods, sorted by accepted volume
Half-Hour Periods
17:00
17:30
18:00
18:30
19:00
19:30
ProcuredSettledReq: 500.0 MW per period
Requirement vs Procured by Period
Participants
| Participant | Volume | Cost | Avg Price |
|---|---|---|---|
| INFINIS LIMITED | 118.2 MW | £17.0k | £145/MWh |
| GRIDBEYOND LIMITED | 50.4 MW | £8.6k | £170/MWh |
| OAKTREE POWER LIMITED | 20.0 MW4.0 MW rejected | £2.4k | £121/MWh |
| GRIDIMP LTD | 4.0 MW | £600 | £150/MWh |