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 (the most expensive month ever, at the 78p cap)

Mon 29 Aug · Tue 30 Aug · Wed 31 Aug · Thu 1 Sep

What caused it · More notable days

Wednesday 31 Aug 2022 · half-hourly prices

South Eastern England

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

Stats for Wednesday 31 Aug 2022

61.7p

Cheapest half-hour 11.30pm – 12am

78.0p

Dearest half-hour 12am – 12.30am

0 hours

Negative prices none on 31 Aug 2022

72.0p avg

Cheapest 3 hours 12.30pm – 3.30pm

75.6p

Average price on 31 Aug 2022

Show as a table

Time	Price
12am – 12.30am	78.0p
12.30am – 1am	75.5p
1am – 1.30am	78.0p
1.30am – 2am	78.0p
2am – 2.30am	76.5p
2.30am – 3am	72.8p
3am – 3.30am	76.2p
3.30am – 4am	76.2p
4am – 4.30am	76.2p
4.30am – 5am	76.2p
5am – 5.30am	73.0p
5.30am – 6am	77.2p
6am – 6.30am	78.0p
6.30am – 7am	78.0p
7am – 7.30am	78.0p
7.30am – 8am	78.0p
8am – 8.30am	78.0p
8.30am – 9am	78.0p
9am – 9.30am	78.0p
9.30am – 10am	78.0p
10am – 10.30am	78.0p
10.30am – 11am	72.8p
11am – 11.30am	72.4p
11.30am – 12pm	72.4p
12pm – 12.30pm	72.8p
12.30pm – 1pm	72.4p
1pm – 1.30pm	72.1p
1.30pm – 2pm	71.5p
2pm – 2.30pm	72.1p
2.30pm – 3pm	72.1p
3pm – 3.30pm	71.9p
3.30pm – 4pm	76.2p
4pm – 4.30pm	78.0p
4.30pm – 5pm	78.0p
5pm – 5.30pm	78.0p
5.30pm – 6pm	78.0p
6pm – 6.30pm	78.0p
6.30pm – 7pm	78.0p
7pm – 7.30pm	78.0p
7.30pm – 8pm	78.0p
8pm – 8.30pm	78.0p
8.30pm – 9pm	78.0p
9pm – 9.30pm	78.0p
9.30pm – 10pm	74.0p
10pm – 10.30pm	78.0p
10.30pm – 11pm	68.4p
11pm – 11.30pm	74.8p
11.30pm – 12am	61.7p