NESO called a Turn Down event on 20 May 2025, running from 18:00 to 21:00 across 6 half-hour settlement periods. 33.2 MW was procured against a 500.0 MW requirement (7% fill rate), with 8 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
33.2 MW
7% of requirement
Bid Cost
£1.7k
Bids
14 / 86
accepted / total
Participants
8
Accepted Volume by Participant
Aggregated across 6 half-hour periods, sorted by accepted volume
All bids rejected (5)
OCTOPUS 196.8 MW @ £146/MWhGRIDBEYOND 110.4 MW @ £136/MWhGALLAGHER 12.0 MW @ £120/MWhEQUIWATT 5.4 MW @ £450/MWhSSE 2.6 MW @ £490/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 | 25.2 MW64.7 MW rejected | £2.6k | £104/MWh |
| OAKTREE POWER LIMITED | 6.0 MW4.0 MW rejected | £600 | £100/MWh |
| HILDEBRAND TECHNOLOGY LIMITED | 2.0 MW4.0 MW rejected | £215 | £108/MWh |
| OCTOPUS ENERGY LIMITED | 0.0 MW196.8 MW rejected | £0 | £146/MWhrej |
| GRIDBEYOND LIMITED | 0.0 MW110.4 MW rejected | £0 | £136/MWhrej |
| GALLAGHER AGGREGATES LIMITED | 0.0 MW12.0 MW rejected | £0 | £120/MWhrej |
| EQUIWATT LIMITED | 0.0 MW5.4 MW rejected | £0 | £450/MWhrej |
| SSE DIGITAL SERVICES LIMITED | 0.0 MW2.6 MW rejected | £0 | £490/MWhrej |