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

Negative prices (Storm Agnes)

Sun 24 Sep · Mon 25 Sep · Wed 27 Sep · Thu 28 Sep

What caused it · More notable days

Wednesday 27 Sep 2023 · half-hourly prices

South Eastern England

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

Stats for Wednesday 27 Sep 2023

−4.8p

Cheapest half-hour 11.30pm – 12am

37.5p

Dearest half-hour 5pm – 5.30pm

0.5 hours

Negative prices 11.30pm – 12am

9.2p avg

Cheapest 3 hours 9pm – 12am

21.6p

Average price on 27 Sep 2023

Show as a table

Time	Price
12am – 12.30am	18.4p
12.30am – 1am	19.2p
1am – 1.30am	19.3p
1.30am – 2am	20.3p
2am – 2.30am	19.9p
2.30am – 3am	19.9p
3am – 3.30am	19.5p
3.30am – 4am	19.6p
4am – 4.30am	21.9p
4.30am – 5am	21.0p
5am – 5.30am	23.6p
5.30am – 6am	23.1p
6am – 6.30am	24.9p
6.30am – 7am	31.4p
7am – 7.30am	27.7p
7.30am – 8am	31.3p
8am – 8.30am	26.8p
8.30am – 9am	26.7p
9am – 9.30am	22.2p
9.30am – 10am	19.3p
10am – 10.30am	20.3p
10.30am – 11am	19.7p
11am – 11.30am	19.6p
11.30am – 12pm	23.6p
12pm – 12.30pm	21.0p
12.30pm – 1pm	19.3p
1pm – 1.30pm	19.3p
1.30pm – 2pm	16.3p
2pm – 2.30pm	18.9p
2.30pm – 3pm	15.7p
3pm – 3.30pm	17.6p
3.30pm – 4pm	17.5p
4pm – 4.30pm	31.9p
4.30pm – 5pm	33.2p
5pm – 5.30pm	37.5p
5.30pm – 6pm	36.0p
6pm – 6.30pm	36.4p
6.30pm – 7pm	35.8p
7pm – 7.30pm	22.4p
7.30pm – 8pm	22.3p
8pm – 8.30pm	20.1p
8.30pm – 9pm	19.9p
9pm – 9.30pm	19.3p
9.30pm – 10pm	14.6p
10pm – 10.30pm	14.2p
10.30pm – 11pm	7.4p
11pm – 11.30pm	4.7p
11.30pm – 12am	−4.8p