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.

Period

Region

Pick a date · last 30 days

London

Free or negative pricesToday

Tomorrow can be picked once prices are out, after 4pm. Only the last 30 days can be picked for now.

30‑day average, Agile vs other tariffs

cheaper than Flexible Octopus

25.9p vs 26.6p

cheaper than Octopus Tracker

25.9p vs 27.7p

cheaper than Octopus Go

25.9p vs 26.0p

11%

dearer than Cosy Octopus

25.9p vs 23.4p

−7.3p

Cheapest in the last 30 days was on 25 Oct

32.5 hours

Negative prices avg 8h per neg. day

13% of days

4 of 30 days had negative prices

15.5 hours

Longest negative period was on 25 Oct

25.9p

Average price over last 30 days

Show as a table

Date	Min	Average	Max
27 Sep 2026	−2.6p	19.2p	45.5p
28 Sep 2026	24.0p	35.0p	67.1p
29 Sep 2026	11.3p	27.8p	50.5p
30 Sep 2026	8.2p	23.1p	47.3p
VAT cut to 0%. VAT on home electricity is 0% from this date until 31 Mar 2027. It was 5%, not the usual 20%, so this saves only about 1.3p on a typical price, which normal day-to-day changes can hide.
1 Oct 2026	22.8p	30.1p	50.1p
2 Oct 2026	21.4p	29.7p	45.8p
3 Oct 2026	21.9p	30.0p	47.9p
4 Oct 2026	5.9p	26.0p	48.6p
5 Oct 2026	10.3p	25.5p	49.5p
6 Oct 2026	23.3p	32.7p	66.8p
7 Oct 2026	16.4p	29.8p	48.2p
8 Oct 2026	10.8p	24.4p	49.3p
9 Oct 2026	1.7p	10.2p	27.9p
10 Oct 2026	−3.6p	7.9p	43.5p
11 Oct 2026	15.4p	29.1p	51.5p
12 Oct 2026	13.6p	30.0p	48.7p
13 Oct 2026	11.5p	22.8p	45.2p
14 Oct 2026	12.9p	27.8p	46.7p
15 Oct 2026	19.1p	29.9p	56.0p
16 Oct 2026	24.7p	34.2p	53.9p
17 Oct 2026	21.7p	30.0p	50.1p
18 Oct 2026	21.1p	30.6p	52.3p
19 Oct 2026	27.2p	35.5p	55.0p
20 Oct 2026	24.4p	33.0p	50.6p
21 Oct 2026	15.9p	31.1p	49.8p
22 Oct 2026	14.7p	28.2p	55.8p
23 Oct 2026	5.2p	29.0p	47.8p
24 Oct 2026	−0.5p	6.3p	28.0p
25 Oct 2026	−7.3p	3.0p	31.2p
26 Oct 2026	4.9p	25.8p	52.2p