NESO called a Turn Down event on 4 Aug 2025, running from 16:00 to 23:00 across 14 half-hour settlement periods. 14.0 MW was procured against a 500.0 MW requirement (3% 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
14.0 MW
3% of requirement
Bid Cost
£553
Bids
14 / 74
accepted / total
Participants
6
Accepted Volume by Participant
Aggregated across 14 half-hour periods, sorted by accepted volume
All bids rejected (5)
OCTOPUS 210.7 MW @ £150/MWhGRIDBEYOND 117.6 MW @ £135/MWhOAKTREE 14.0 MW @ £164/MWhEQUIWATT 6.0 MW @ £110/MWhGRIDIMP 4.0 MW @ £160/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
22:00
22:30
ProcuredSettledReq: 500.0 MW per period
Requirement vs Procured by Period
Participants
| Participant | Volume | Cost | Avg Price |
|---|---|---|---|
| HILDEBRAND TECHNOLOGY LIMITED | 14.0 MW | £1.1k | £79/MWh |
| OCTOPUS ENERGY LIMITED | 0.0 MW210.7 MW rejected | £0 | £150/MWhrej |
| GRIDBEYOND LIMITED | 0.0 MW117.6 MW rejected | £0 | £135/MWhrej |
| OAKTREE POWER LIMITED | 0.0 MW14.0 MW rejected | £0 | £163/MWhrej |
| EQUIWATT LIMITED | 0.0 MW6.0 MW rejected | £0 | £110/MWhrej |
| GRIDIMP LTD | 0.0 MW4.0 MW rejected | £0 | £160/MWhrej |