Half-hour record · Great Britain
Lowest UK electricity price on record
The record
−£102.92/MWh
on Saturday 6 September 2025
Beat −£77.29/MWh from 25 September 2023 by £25.63/MWh.
−£200
£0
£200
£400
£600
−£102.92/MWh6 Sept 202520182020202220242026
RecordBest of each monthRecord broken
- Times broken
- 5
- since September 2017
- Standing for
- 13 months
- since 6 Sept 2025
- Previous record
- −£77.29/MWh
- 25 Sept 2023
- Best in 2026
- −£58.54/MWh
- 5 Apr 2026
The record for lowest price is −£102.92/MWh, in the half hour from 13:30–14:00 BST on Saturday 6 September 2025. It beat the record of −£77.29/MWh, set on 25 September 2023, by £25.63/MWh.
Since September 2017, the record has been broken 5 times.
The best value in 2017 was −£24.06/MWh. The record is £78.86/MWh lower.
So far in 2026, the best value is −£58.54/MWh, on 5 April 2026.
- 16 September 202513:30−£102.92/MWh
- 225 September 202304:00−£77.29/MWh
- 36 October 202304:30−£73.24/MWh
- 48 December 201904:00−£72.84/MWh
- 52 July 202314:00−£69.27/MWh
- 65 April 202514:00−£68.67/MWh
- 71 January 202205:00−£64.47/MWh
- 811 November 202205:00−£64.38/MWh
- 97 April 202411:00−£61.09/MWh
- 1030 December 202104:30−£60.60/MWh
History
Every time the record was broken
Newest first. Choose a day to see its charts at the moment of the record. Rows in grey are from the first year of the data.
| Day | Half hour | Record | Fall | Held for |
|---|---|---|---|---|
| 6 September 2025 | 13:30–14:00 BST | −£102.92/MWh | −£25.63/MWh | Stands · 13 months |
| 25 September 2023 | 04:00–04:30 BST | −£77.29/MWh | −£4.45/MWh | 23 months |
| 8 December 2019 | 04:00–04:30 GMT | −£72.84/MWh | −£37.88/MWh | 3 years and 10 months |
| 27 October 2019 | 01:30–02:00 GMT | −£34.96/MWh | −£10.34/MWh | 42 days |
| 18 September 2018 | 02:30–03:00 BST | −£24.62/MWh | −£0.56/MWh | 13 months |
| 7 June 2017 | 05:00–05:30 BST | −£24.06/MWh | −£24.06/MWh | 15 months |
| 12 October 2016 | 00:30–01:00 BST | £0.00/MWh | −£16.91/MWh | 8 months |
| 13 September 2016 | 04:00–04:30 BST | £16.91/MWh | −£6.98/MWh | 29 days |
| 12 September 2016 | 23:30–00:00 BST | £23.89/MWh | — | 1 day |
The 4 grey rows are from the first year of the data, when each new day could set a record.