Electricity Live

Half-hour record · Great Britain

Lowest electricity demand on record

The record

16.77 GW

on Sunday 4 June 2017

Beat 17.48 GW from 28 May 2017 by 0.72 GW.

See the day at that time Daily data (CSV)
The record over timeGW · lowest so far
RecordBest of each monthRecord broken
Times broken
2
since March 2017
Standing for
9 years and 4 months
since 4 Jun 2017
Previous record
17.48 GW
28 May 2017
Best in 2026
17.60 GW
19 Jul 2026

The record for lowest demand is 16.77 GW, in the half hour from 05:00–05:30 BST on Sunday 4 June 2017. It beat the record of 17.48 GW, set on 28 May 2017, by 0.72 GW.

Since March 2017, the record has been broken 2 times.

So far in 2026, the best value is 17.60 GW, on 19 July 2026.

Most of the best days are from April to August, when the days are long.

The ten best daysbest half hour of each day
  1. 14 June 201705:0016.77 GW
  2. 26 August 201705:3016.77 GW
  3. 32 July 202305:0016.81 GW
  4. 46 August 202305:0017.00 GW
  5. 530 July 202305:0017.18 GW
  6. 627 August 202305:0017.24 GW
  7. 73 July 202205:0017.31 GW
  8. 813 August 201705:3017.33 GW
  9. 94 June 202304:3017.38 GW
  10. 1016 July 202304:3017.38 GW
The best of each yearGW · * part of a year
17.562016* 16.772017 19.002018 18.762019 17.422020 18.582021 17.312022 16.812023 17.642024 17.902025 17.602026*

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.

DayHalf hourRecordFallHeld for
4 June 2017 05:00–05:30 BST 16.77 GW −0.72 GW Stands · 9 years and 4 months
28 May 2017 05:00–05:30 BST 17.48 GW −0.08 GW 7 days
7 August 2016 05:30–06:00 BST 17.56 GW −0.06 GW 10 months
26 June 2016 05:00–05:30 BST 17.63 GW −0.48 GW 42 days
22 May 2016 05:00–05:30 BST 18.10 GW −0.45 GW 35 days
8 May 2016 05:30–06:00 BST 18.55 GW −1.08 GW 14 days
7 May 2016 05:00–05:30 BST 19.63 GW −0.90 GW 1 day
2 May 2016 05:30–06:00 BST 20.53 GW −0.32 GW 5 days
26 March 2016 04:30–05:00 GMT 20.86 GW −2.14 GW 37 days
25 March 2016 04:30–05:00 GMT 23.00 GW −0.56 GW 1 day
20 March 2016 04:30–05:00 GMT 23.56 GW −0.42 GW 5 days
13 March 2016 05:00–05:30 GMT 23.98 GW −1.01 GW 7 days
12 March 2016 04:30–05:00 GMT 24.99 GW −2.40 GW 1 day
11 March 2016 04:00–04:30 GMT 27.39 GW −0.10 GW 1 day
10 March 2016 04:00–04:30 GMT 27.49 GW — 1 day

The 13 grey rows are from the first year of the data, when each new day could set a record.

More records

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