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 30 days
ElexonThe GB system price averaged £148.50/MWh on 18 Oct 2026, from a low of £45.50/MWh to a high of £250.00/MWh. It went below zero on 7 of the 30 days shown.
Day
Average
Low
High
Half-hours below zero
18 Oct 2026
£148.50/MWh
£45.50/MWh
£250.00/MWh
0 of 48
17 Oct 2026
£149.27/MWh
£35.55/MWh
£251.00/MWh
0 of 48
16 Oct 2026
£192.68/MWh
£132.50/MWh
£243.01/MWh
0 of 48
15 Oct 2026
£191.94/MWh
£47.34/MWh
£240.00/MWh
0 of 48
14 Oct 2026
£176.78/MWh
£25.28/MWh
£263.00/MWh
0 of 48
13 Oct 2026
£128.91/MWh
£0.09/MWh
£209.91/MWh
0 of 48
12 Oct 2026
£138.19/MWh
£55.54/MWh
£241.55/MWh
0 of 48
11 Oct 2026
£157.37/MWh
£100.66/MWh
£254.00/MWh
0 of 48
10 Oct 2026
£82.24/MWh
−£13.30/MWh
£219.80/MWh
3 of 48
09 Oct 2026
£49.06/MWh
−£13.30/MWh
£204.40/MWh
8 of 48
08 Oct 2026
£144.80/MWh
£7.10/MWh
£230.00/MWh
0 of 48
07 Oct 2026
£168.43/MWh
£92.10/MWh
£244.00/MWh
0 of 48
06 Oct 2026
£203.99/MWh
£123.38/MWh
£415.21/MWh
0 of 48
05 Oct 2026
£104.70/MWh
−£28.49/MWh
£249.00/MWh
9 of 48
04 Oct 2026
£96.90/MWh
£0.00/MWh
£196.24/MWh
0 of 48
03 Oct 2026
£144.47/MWh
£0.00/MWh
£210.94/MWh
0 of 48
02 Oct 2026
£153.80/MWh
£55.36/MWh
£229.00/MWh
0 of 48
01 Oct 2026
£147.59/MWh
£63.50/MWh
£225.89/MWh
0 of 48
30 Sep 2026
£101.92/MWh
£3.37/MWh
£214.95/MWh
0 of 48
29 Sep 2026
£141.19/MWh
£40.91/MWh
£222.00/MWh
0 of 48
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
Sources
- ElexonContains BMRS data © Elexon Limited copyright and database right 2026.