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

The most expensive days of the period

Sun 13 Sep · Mon 14 Sep · Tue 15 Sep · Wed 16 Sep

What caused it · More notable days

Sunday 13 Sep 2026 · half-hourly prices

South Eastern England

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

Stats for Sunday 13 Sep 2026

32.4p

Cheapest half-hour 1am – 1.30am

59.0p

Dearest half-hour 6pm – 6.30pm

0 hours

Negative prices none on 13 Sep 2026

32.6p avg

Cheapest 3 hours 1am – 4am

39.2p

Average price on 13 Sep 2026

Show as a table

Time	Price
12am – 12.30am	33.6p
12.30am – 1am	32.8p
1am – 1.30am	32.4p
1.30am – 2am	32.5p
2am – 2.30am	32.9p
2.30am – 3am	32.4p
3am – 3.30am	32.8p
3.30am – 4am	32.5p
4am – 4.30am	33.5p
4.30am – 5am	33.2p
5am – 5.30am	34.9p
5.30am – 6am	33.6p
6am – 6.30am	35.6p
6.30am – 7am	35.2p
7am – 7.30am	34.5p
7.30am – 8am	33.0p
8am – 8.30am	33.6p
8.30am – 9am	39.3p
9am – 9.30am	39.6p
9.30am – 10am	41.8p
10am – 10.30am	40.6p
10.30am – 11am	38.6p
11am – 11.30am	36.1p
11.30am – 12pm	36.8p
12pm – 12.30pm	38.0p
12.30pm – 1pm	37.2p
1pm – 1.30pm	36.9p
1.30pm – 2pm	35.8p
2pm – 2.30pm	33.5p
2.30pm – 3pm	34.3p
3pm – 3.30pm	34.2p
3.30pm – 4pm	35.4p
4pm – 4.30pm	50.7p
4.30pm – 5pm	55.2p
5pm – 5.30pm	55.5p
5.30pm – 6pm	55.5p
6pm – 6.30pm	59.0p
6.30pm – 7pm	57.7p
7pm – 7.30pm	45.3p
7.30pm – 8pm	47.4p
8pm – 8.30pm	47.3p
8.30pm – 9pm	46.4p
9pm – 9.30pm	44.5p
9.30pm – 10pm	40.7p
10pm – 10.30pm	39.3p
10.30pm – 11pm	36.5p
11pm – 11.30pm	38.6p
11.30pm – 12am	35.5p