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, Agile hits its 100p cap (the December “dunkelflaute”)

Wed 11 Dec · Thu 12 Dec · Fri 13 Dec

What caused it · More notable days

Thursday 12 Dec 2024 · half-hourly prices

South Eastern England

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

Stats for Thursday 12 Dec 2024

19.6p

Cheapest half-hour 12am – 12.30am

100.0p

Dearest half-hour 3.30pm – 4pm

0 hours

Negative prices none on 12 Dec 2024

20.5p avg

Cheapest 3 hours 2am – 5am

53.5p

Average price on 12 Dec 2024

Show as a table

Time	Price
12am – 12.30am	19.6p
12.30am – 1am	25.2p
1am – 1.30am	21.9p
1.30am – 2am	21.6p
2am – 2.30am	20.5p
2.30am – 3am	19.8p
3am – 3.30am	20.8p
3.30am – 4am	20.2p
4am – 4.30am	21.6p
4.30am – 5am	20.0p
5am – 5.30am	24.0p
5.30am – 6am	27.1p
6am – 6.30am	29.1p
6.30am – 7am	34.6p
7am – 7.30am	42.3p
7.30am – 8am	63.9p
8am – 8.30am	61.2p
8.30am – 9am	68.1p
9am – 9.30am	65.1p
9.30am – 10am	65.6p
10am – 10.30am	67.5p
10.30am – 11am	68.1p
11am – 11.30am	64.7p
11.30am – 12pm	61.0p
12pm – 12.30pm	67.6p
12.30pm – 1pm	79.3p
1pm – 1.30pm	80.7p
1.30pm – 2pm	77.0p
2pm – 2.30pm	81.6p
2.30pm – 3pm	82.0p
3pm – 3.30pm	81.1p
3.30pm – 4pm	100.0p
4pm – 4.30pm	100.0p
4.30pm – 5pm	100.0p
5pm – 5.30pm	100.0p
5.30pm – 6pm	100.0p
6pm – 6.30pm	100.0p
6.30pm – 7pm	100.0p
7pm – 7.30pm	72.6p
7.30pm – 8pm	56.2p
8pm – 8.30pm	39.2p
8.30pm – 9pm	30.2p
9pm – 9.30pm	35.1p
9.30pm – 10pm	26.3p
10pm – 10.30pm	32.6p
10.30pm – 11pm	25.4p
11pm – 11.30pm	27.0p
11.30pm – 12am	22.9p