NESO called a Turn Down event on 19 May 2025, running from 18:00 to 21:00 across 6 half-hour settlement periods. 160.1 MW was procured against a 500.0 MW requirement (32% fill rate), with 7 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
160.1 MW
32% of requirement
Bid Cost
£9.4k
Bids
60 / 84
accepted / total
Participants
7
Accepted Volume by Participant
Aggregated across 6 half-hour periods, sorted by accepted volume
All bids rejected (2)
OCTOPUS 198.7 MW @ £146/MWhGALLAGHER 12.0 MW @ £150/MWh
Half-Hour Periods
18:00
18:30
19:00
19:30
20:00
20:30
ProcuredSettledReq: 500.0 MW per period
Requirement vs Procured by Period
Participants
| Participant | Volume | Cost | Avg Price |
|---|---|---|---|
| INFINIS LIMITED | 103.7 MW | £11.7k | £113/MWh |
| GRIDBEYOND LIMITED | 39.0 MW26.4 MW rejected | £5.3k | £135/MWh |
| OAKTREE POWER LIMITED | 6.0 MW4.0 MW rejected | £600 | £100/MWh |
| HILDEBRAND TECHNOLOGY LIMITED | 6.0 MW | £635 | £106/MWh |
| EQUIWATT LIMITED | 5.4 MW | £610 | £113/MWh |
| OCTOPUS ENERGY LIMITED | 0.0 MW198.7 MW rejected | £0 | £146/MWhrej |
| GALLAGHER AGGREGATES LIMITED | 0.0 MW12.0 MW rejected | £0 | £150/MWhrej |