Energy was last better‑than‑free: yesterday Next

On the Agile Octopus tariff, customers get paid to use electricity when there’s too much in the grid.

That’s cheaper than Octopus Energy paying to store it.

The price changes every half-hour.

How free electricity works

Period

Region

Price spike (winter gas crisis, days at the cap)

Sat 11 Dec · Mon 13 Dec · Tue 14 Dec · Wed 15 Dec · Thu 16 Dec

What caused it · More notable days

Monday 13 Dec 2021 · half-hourly prices

South Eastern England

Price for each half-hour
Negative price (you’re paid to use power)

Stats for Monday 13 Dec 2021

35.0p

Cheapest half-hour 12am – 12.30am

35.0p

Dearest half-hour 12am – 12.30am

0 hours

Negative prices none on 13 Dec 2021

35.0p avg

Cheapest 3 hours 12am – 3am

35.0p

Average price on 13 Dec 2021

Show as a table

Time	Price
12am – 12.30am	35.0p
12.30am – 1am	35.0p
1am – 1.30am	35.0p
1.30am – 2am	35.0p
2am – 2.30am	35.0p
2.30am – 3am	35.0p
3am – 3.30am	35.0p
3.30am – 4am	35.0p
4am – 4.30am	35.0p
4.30am – 5am	35.0p
5am – 5.30am	35.0p
5.30am – 6am	35.0p
6am – 6.30am	35.0p
6.30am – 7am	35.0p
7am – 7.30am	35.0p
7.30am – 8am	35.0p
8am – 8.30am	35.0p
8.30am – 9am	35.0p
9am – 9.30am	35.0p
9.30am – 10am	35.0p
10am – 10.30am	35.0p
10.30am – 11am	35.0p
11am – 11.30am	35.0p
11.30am – 12pm	35.0p
12pm – 12.30pm	35.0p
12.30pm – 1pm	35.0p
1pm – 1.30pm	35.0p
1.30pm – 2pm	35.0p
2pm – 2.30pm	35.0p
2.30pm – 3pm	35.0p
3pm – 3.30pm	35.0p
3.30pm – 4pm	35.0p
4pm – 4.30pm	35.0p
4.30pm – 5pm	35.0p
5pm – 5.30pm	35.0p
5.30pm – 6pm	35.0p
6pm – 6.30pm	35.0p
6.30pm – 7pm	35.0p
7pm – 7.30pm	35.0p
7.30pm – 8pm	35.0p
8pm – 8.30pm	35.0p
8.30pm – 9pm	35.0p
9pm – 9.30pm	35.0p
9.30pm – 10pm	35.0p
10pm – 10.30pm	35.0p
10.30pm – 11pm	35.0p
11pm – 11.30pm	35.0p
11.30pm – 12am	35.0p