Negative prices
Thu 17 Sep · Fri 18 Sep · Sat 19 Sep
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.
Region
Half-hourly prices
Friday 18 Sep 2026 · half-hourly prices
South Eastern England
- Price for each half-hour
- Negative price (you’re paid to use power)
Stats for Friday 18 Sep 2026
−0.4p
Cheapest half-hour 3pm – 3.30pm
43.3p
Dearest half-hour 6pm – 6.30pm
1 hour
Negative prices 2.30pm – 3.30pm
0.6p avg
Cheapest 3 hours 12.30pm – 3.30pm
20.6p
Average price on 18 Sep 2026
Show as a table
| Time | Price |
|---|---|
| 12am – 12.30am | 21.5p |
| 12.30am – 1am | 23.2p |
| 1am – 1.30am | 23.5p |
| 1.30am – 2am | 24.4p |
| 2am – 2.30am | 24.7p |
| 2.30am – 3am | 23.2p |
| 3am – 3.30am | 21.9p |
| 3.30am – 4am | 20.7p |
| 4am – 4.30am | 21.7p |
| 4.30am – 5am | 20.7p |
| 5am – 5.30am | 20.4p |
| 5.30am – 6am | 25.9p |
| 6am – 6.30am | 28.3p |
| 6.30am – 7am | 32.3p |
| 7am – 7.30am | 36.7p |
| 7.30am – 8am | 39.0p |
| 8am – 8.30am | 32.8p |
| 8.30am – 9am | 30.3p |
| 9am – 9.30am | 26.8p |
| 9.30am – 10am | 18.4p |
| 10am – 10.30am | 11.7p |
| 10.30am – 11am | 7.2p |
| 11am – 11.30am | 4.2p |
| 11.30am – 12pm | 1.8p |
| 12pm – 12.30pm | 2.0p |
| 12.30pm – 1pm | 1.6p |
| 1pm – 1.30pm | 1.0p |
| 1.30pm – 2pm | 0.0p |
| 2pm – 2.30pm | 1.3p |
| 2.30pm – 3pm | −0.2p |
| 3pm – 3.30pm | −0.4p |
| 3.30pm – 4pm | 5.1p |
| 4pm – 4.30pm | 23.7p |
| 4.30pm – 5pm | 31.1p |
| 5pm – 5.30pm | 38.7p |
| 5.30pm – 6pm | 41.4p |
| 6pm – 6.30pm | 43.3p |
| 6.30pm – 7pm | 43.1p |
| 7pm – 7.30pm | 29.6p |
| 7.30pm – 8pm | 29.8p |
| 8pm – 8.30pm | 33.1p |
| 8.30pm – 9pm | 30.3p |
| 9pm – 9.30pm | 28.4p |
| 9.30pm – 10pm | 24.0p |
| 10pm – 10.30pm | 19.1p |
| 10.30pm – 11pm | 14.9p |
| 11pm – 11.30pm | 4.9p |
| 11.30pm – 12am | 0.9p |
Showing South Eastern England. Tap a region to switch.