Half-hour record · Great Britain
Highest electricity demand on record
The record
54.32 GW
on Thursday 1 March 2018
Beat 51.08 GW from 12 December 2017 by 3.23 GW.
- Times broken
- 3
- since March 2017
- Standing for
- 8 years and 8 months
- since 1 Mar 2018
- Previous record
- 51.08 GW
- 12 Dec 2017
- Best in 2026
- 49.79 GW
- 5 Jan 2026
The record for peak demand is 54.32 GW, in the half hour from 18:00–18:30 GMT on Thursday 1 March 2018. It beat the record of 51.08 GW, set on 12 December 2017, by 3.23 GW.
Since March 2017, the record has been broken 3 times.
The best value in 2017 was 51.08 GW. The record is 6% higher.
So far in 2026, the best value is 49.79 GW, on 5 January 2026. That is 92% of the record.
Most of the best days are in winter, from November to February.
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 | Rise | Held for |
|---|---|---|---|---|
| 1 March 2018 | 18:00–18:30 GMT | 54.32 GW | +3.23 GW | Stands · 8 years and 8 months |
| 12 December 2017 | 16:30–17:00 GMT | 51.08 GW | +0.06 GW | 3 months |
| 11 December 2017 | 17:00–17:30 GMT | 51.02 GW | +0.41 GW | 1 day |
| 26 January 2017 | 17:30–18:00 GMT | 50.61 GW | +1.07 GW | 10 months |
| 5 December 2016 | 17:00–17:30 GMT | 49.54 GW | +0.53 GW | 52 days |
| 22 November 2016 | 17:00–17:30 GMT | 49.01 GW | +0.29 GW | 13 days |
| 8 November 2016 | 17:00–17:30 GMT | 48.72 GW | +1.39 GW | 14 days |
| 7 November 2016 | 17:00–17:30 GMT | 47.33 GW | +0.44 GW | 1 day |
| 3 November 2016 | 17:00–17:30 GMT | 46.89 GW | +0.13 GW | 4 days |
| 10 March 2016 | 18:30–19:00 GMT | 46.76 GW | — | 8 months |
The 7 grey rows are from the first year of the data, when each new day could set a record.