← Overview
May 2026
DFS events called during May 2026. NESO called 22 events this month (13 Turn Down, 10 Turn Up), of which 12 resulted in procured volume. Each event below shows the time window, volume procured versus requirement, cost, and number of participants. Click any event to see the full bid-level breakdown.
Event Days
22
12 with volume
Procured
2.57 GW
Settled Cost
£0
Avg Price
£127/MWh
Events
31 May 202616:00–21:00Turn Down
0.0 MW procured of 500.0 MW · £0 · 0 participants · 0 accepted / 0 rejected
30 May 202611:00–16:00Turn Up
0.0 MW procured of 300.0 MW · £0 · 0 participants · 0 accepted / 0 rejected
29 May 202617:00–22:00Turn Down
27.2 MW procured of 500.0 MW · £1.8k · 2 participants · 52 accepted / 0 rejected · £133/MWh
5%
28 May 202611:00–15:00Turn Up
0.0 MW procured of 500.0 MW · £0 · 0 participants · 0 accepted / 0 rejected
27 May 202616:00–23:00Turn Down
53.2 MW procured of 500.0 MW · £2.5k · 6 participants · 14 accepted / 161 rejected · £94/MWh
11%
26 May 202613:00–15:00Turn Up
0.0 MW procured of 300.0 MW · £0 · 1 participants · 0 accepted / 2 rejected
24 May 202611:00–16:00Turn Up
0.6 MW procured of 500.0 MW · £10 · 1 participants · 6 accepted / 4 rejected · £33/MWh
0%
23 May 202611:00–16:00Turn Up
0.0 MW procured of 500.0 MW · £0 · 1 participants · 0 accepted / 10 rejected
21 May 202618:00–21:00Turn Down
396.2 MW procured of 300.0 MW · £27.7k · 5 participants · 95 accepted / 12 rejected · £140/MWh
132%
19 May 202618:00–21:00Turn Down
50.3 MW procured of 500.0 MW · £3.1k · 5 participants · 13 accepted / 75 rejected · £123/MWh
10%
18 May 202616:00–22:00Turn Down
496.5 MW procured of 500.0 MW · £32.6k · 4 participants · 130 accepted / 23 rejected · £131/MWh
99%
17 May 202613:00–22:00Turn DownTurn Up
0.0 MW procured of 500.0 MW · £0 · 0 participants · 0 accepted / 0 rejected
15 May 202619:00–22:00Turn Down
151.4 MW procured of 500.0 MW · £9.6k · 3 participants · 25 accepted / 50 rejected · £127/MWh
30%
13 May 202616:00–22:00Turn Down
367.9 MW procured of 500.0 MW · £22.3k · 3 participants · 76 accepted / 0 rejected · £121/MWh
74%
11 May 202617:00–21:00Turn Down
240.3 MW procured of 500.0 MW · £13.6k · 5 participants · 52 accepted / 53 rejected · £113/MWh
48%
10 May 202613:00–16:00Turn Up
0.0 MW procured of 500.0 MW · £0 · 0 participants · 0 accepted / 0 rejected
9 May 202614:00–15:00Turn Up
0.0 MW procured of 300.0 MW · £0 · 0 participants · 0 accepted / 0 rejected
8 May 202619:00–20:00Turn Down
0.0 MW procured of 500.0 MW · £0 · 1 participants · 0 accepted / 8 rejected
7 May 202615:00–22:00Turn Down
477.1 MW procured of 500.0 MW · £30.1k · 3 participants · 87 accepted / 3 rejected · £126/MWh
95%
6 May 202618:00–22:00Turn Down
313.7 MW procured of 500.0 MW · £20.7k · 2 participants · 47 accepted / 0 rejected · £132/MWh
63%
2 May 202611:00–16:00Turn Up
0.0 MW procured of 500.0 MW · £0 · 0 participants · 0 accepted / 0 rejected
1 May 202612:00–16:00Turn Up
0.1 MW procured of 500.0 MW · £2 · 2 participants · 1 accepted / 17 rejected · £40/MWh
0%
Participants
| Participant | Volume | Cost | Avg Price |
|---|---|---|---|
| INFINIS LIMITED | 2.29 GW554.4 MW rejected | £288.3k | £124/MWh |
| OCTOPUS ENERGY LIMITED | 114.0 MW700.2 MW rejected | £17.1k | £150/MWh |
| OAKTREE POWER LIMITED | 101.9 MW16.5 MW rejected | £11.6k | £112/MWh |
| EQUIWATT LIMITED | 67.3 MW73.9 MW rejected | £10.6k | £157/MWh |
| U ENERGY GROUP LIMITED | 1.2 MW2.5 MW rejected | £162 | £135/MWh |
| Shuffle Energy Limited | 1.1 MW2.8 MW rejected | £70 | £64/MWh |