Half-hour record · Great Britain
UK solar power record
The record
16.39 GW
on Thursday 23 April 2026
Beat 15.75 GW from 22 April 2026 by 0.64 GW.
- Times broken
- 22
- since March 2017
- Standing for
- 6 months
- since 23 Apr 2026
- Previous record
- 15.75 GW
- 22 Apr 2026
- Best in 2026
- 16.39 GW
- 23 Apr 2026 · the record
The record for solar generation is 16.39 GW, in the half hour from 13:00–13:30 BST on Thursday 23 April 2026. It beat the record of 15.75 GW, set on 22 April 2026, by 0.64 GW.
Since March 2017, the record has been broken 22 times.
The best value in 2017 was 8.91 GW. The record is 84% higher.
10 of the ten best days were in the past twelve months.
Most of the best days are from April to August, when the days are long.
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 |
|---|---|---|---|---|
| 23 April 2026 | 13:00–13:30 BST | 16.39 GW | +0.64 GW | Stands · 6 months |
| 22 April 2026 | 12:30–13:00 BST | 15.75 GW | +0.87 GW | 1 day |
| 7 April 2026 | 13:00–13:30 BST | 14.88 GW | +0.47 GW | 15 days |
| 6 April 2026 | 13:00–13:30 BST | 14.42 GW | +0.37 GW | 1 day |
| 8 July 2025 | 13:00–13:30 BST | 14.05 GW | +0.31 GW | 9 months |
| 6 April 2025 | 13:00–13:30 BST | 13.74 GW | +0.14 GW | 3 months |
| 1 April 2025 | 13:00–13:30 BST | 13.60 GW | +0.56 GW | 5 days |
| 18 March 2025 | 12:00–12:30 GMT | 13.04 GW | +1.55 GW | 14 days |
| 2 June 2024 | 12:30–13:00 BST | 11.50 GW | +0.13 GW | 9 months |
| 19 May 2024 | 12:30–13:00 BST | 11.37 GW | +0.25 GW | 14 days |
| 20 April 2023 | 13:00–13:30 BST | 11.12 GW | +0.64 GW | 13 months |
| 4 April 2023 | 13:00–13:30 BST | 10.48 GW | +0.44 GW | 16 days |
| 22 April 2021 | 12:30–13:00 BST | 10.04 GW | +0.34 GW | 23 months |
| 20 April 2020 | 13:00–13:30 BST | 9.69 GW | +0.29 GW | 12 months |
| 19 April 2020 | 13:00–13:30 BST | 9.41 GW | +0.01 GW | 1 day |
| 27 June 2018 | 12:30–13:00 BST | 9.39 GW | +0.01 GW | 22 months |
| 22 June 2018 | 13:00–13:30 BST | 9.38 GW | +0.08 GW | 5 days |
| 19 May 2018 | 12:30–13:00 BST | 9.30 GW | +0.39 GW | 34 days |
| 26 May 2017 | 13:00–13:30 BST | 8.91 GW | +0.43 GW | 12 months |
| 10 May 2017 | 13:00–13:30 BST | 8.48 GW | +0.45 GW | 16 days |
| 8 April 2017 | 13:00–13:30 BST | 8.03 GW | +0.36 GW | 32 days |
| 25 March 2017 | 12:00–12:30 GMT | 7.67 GW | +0.20 GW | 14 days |
| 12 May 2016 | 13:00–13:30 BST | 7.47 GW | +0.08 GW | 10 months |
| 20 April 2016 | 13:00–13:30 BST | 7.39 GW | +1.04 GW | 22 days |
| 14 March 2016 | 12:00–12:30 GMT | 6.35 GW | +0.63 GW | 37 days |
| 13 March 2016 | 12:30–13:00 GMT | 5.72 GW | +0.92 GW | 1 day |
| 11 March 2016 | 12:00–12:30 GMT | 4.80 GW | +2.38 GW | 2 days |
| 10 March 2016 | 12:30–13:00 GMT | 2.42 GW | — | 1 day |
The 6 grey rows are from the first year of the data, when each new day could set a record.