United Kingdom · Electricity
GB
Electricity prices
The Great Britain system price — the price Elexon calculates for every half-hour settlement period — day by day: each day's average, low and high, and how many half-hours went below zero.
The last 14 days
The GB system price averaged £160.07/MWh on 28 Sep 2026, from a low of £43.03/MWh to a high of £350.22/MWh. It went below zero on 6 of the 14 days shown.
Day
Average
Low
High
Half-hours below zero
28 Sep 2026
£160.07/MWh
£43.03/MWh
£350.22/MWh
0 of 48
27 Sep 2026
£96.70/MWh
−£14.27/MWh
£206.45/MWh
11 of 48
26 Sep 2026
£129.18/MWh
−£28.10/MWh
£200.40/MWh
6 of 48
25 Sep 2026
£150.94/MWh
£4.49/MWh
£222.08/MWh
0 of 48
24 Sep 2026
£167.04/MWh
£106.87/MWh
£220.00/MWh
0 of 48
23 Sep 2026
£144.67/MWh
£88.00/MWh
£221.91/MWh
0 of 48
22 Sep 2026
£161.88/MWh
£103.05/MWh
£594.00/MWh
0 of 48
21 Sep 2026
£165.96/MWh
£114.43/MWh
£239.00/MWh
0 of 48
20 Sep 2026
£53.44/MWh
−£50.00/MWh
£233.00/MWh
18 of 48
19 Sep 2026
£22.39/MWh
−£14.30/MWh
£168.00/MWh
16 of 48
18 Sep 2026
£56.11/MWh
−£14.46/MWh
£186.25/MWh
12 of 48
17 Sep 2026
£94.37/MWh
−£10.98/MWh
£204.40/MWh
7 of 48
16 Sep 2026
£147.47/MWh
£55.00/MWh
£275.00/MWh
0 of 48
15 Sep 2026
£149.47/MWh
£21.43/MWh
£270.00/MWh
0 of 48
Contains BMRS data © Elexon Limited copyright and database right 2026.