NESO called a Turn Down event on 22 Sep 2025, running from 17:00 to 19:00 across 4 half-hour settlement periods. 261.9 MW was procured against a 500.0 MW requirement (52% 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
261.9 MW
52% of requirement
Bid Cost
£14.9k
Bids
8 / 30
accepted / total
Participants
6
Accepted Volume by Participant
Aggregated across 4 half-hour periods, sorted by accepted volume
All bids rejected (3)
OCTOPUS 243.1 MW @ £150/MWhOAKTREE 20.0 MW @ £139/MWhEQUIWATT 7.4 MW @ £150/MWh
Half-Hour Periods
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 | 257.9 MW | £29.3k | £114/MWh |
| GRIDIMP LTD | 2.0 MW2.0 MW rejected | £240 | £120/MWh |
| HILDEBRAND TECHNOLOGY LIMITED | 2.0 MW2.0 MW rejected | £243 | £122/MWh |
| OCTOPUS ENERGY LIMITED | 0.0 MW243.1 MW rejected | £0 | £150/MWhrej |
| OAKTREE POWER LIMITED | 0.0 MW20.0 MW rejected | £0 | £139/MWhrej |
| EQUIWATT LIMITED | 0.0 MW7.4 MW rejected | £0 | £150/MWhrej |