NESO called a Turn Down event on 19 May 2026, running from 18:00 to 21:00 across 6 half-hour settlement periods. 50.3 MW was procured against a 500.0 MW requirement (10% fill rate), with 5 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
50.3 MW
10% of requirement
Bid Cost
£3.1k
Bids
13 / 88
accepted / total
Participants
5
Accepted Volume by Participant
Aggregated across 6 half-hour periods, sorted by accepted volume
All bids rejected (3)
OCTOPUS 160.9 MW @ £1055/MWhEQUIWATT 16.8 MW @ £160/MWhU 0.4 MW @ £140/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 | 34.3 MW167.7 MW rejected | £4.3k | £125/MWh |
| OAKTREE POWER LIMITED | 16.0 MW10.2 MW rejected | £1.9k | £120/MWh |
| OCTOPUS ENERGY LIMITED | 0.0 MW160.9 MW rejected | £0 | £943/MWhrej |
| EQUIWATT LIMITED | 0.0 MW16.8 MW rejected | £0 | £160/MWhrej |
| U ENERGY GROUP LIMITED | 0.0 MW0.4 MW rejected | £0 | £140/MWhrej |