NESO called a Turn Down event on 21 Sep 2026, running from 17:00 to 22:00 across 10 half-hour settlement periods. 654.6 MW was procured against a 500.0 MW requirement (131% 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
654.6 MW
131% of requirement
Bid Cost
£67.4k
Bids
249 / 251
accepted / total
Participants
8
Accepted Volume by Participant
Aggregated across 10 half-hour periods, sorted by accepted volume
Half-Hour Periods
17:00
17:30
18:00
18:30
19:00
19:30
20:00
20:30
21:00
21:30
ProcuredSettledReq: 500.0 MW per period
Requirement vs Procured by Period
Participants
| Participant | Volume | Cost | Avg Price |
|---|---|---|---|
| INFINIS LIMITED | 355.7 MW | £70.8k | £198/MWh |
| OCTOPUS ENERGY LIMITED | 243.0 MW | £51.0k | £210/MWh |
| EQUIWATT LIMITED | 18.8 MW | £4.9k | £261/MWh |
| HILDEBRAND TECHNOLOGY LIMITED | 18.4 MW | £3.7k | £203/MWh |
| ENGIE POWER LIMITED | 16.0 MW4.0 MW rejected | £3.8k | £240/MWh |
| U ENERGY GROUP LIMITED | 1.4 MW | £297 | £212/MWh |
| Shuffle Energy Limited | 1.0 MW | £200 | £200/MWh |
| GRIDVOLT UK LIMITED | 0.3 MW | £57 | £188/MWh |