Agile prices and home batteries in South East England
Region J is served by UK Power Networks (South Eastern). Over the last 12 months Agile averaged 22.8p per kWh here, the 10th cheapest of the 14 regions, and the gap between each day’s cheapest and dearest half-hour averaged 29.2p — the 6th widest in Great Britain. That gap is what a battery earns from.
Every half-hour of the year
The average day
All 48 half-hours
| Time | p/kWh | Time | p/kWh |
|---|---|---|---|
| 00:00 | 19.7p | 12:00 | 17.2p |
| 00:30 | 20.0p | 12:30 | 16.9p |
| 01:00 | 19.3p | 13:00 | 17.0p |
| 01:30 | 18.9p | 13:30 | 16.7p |
| 02:00 | 18.9p | 14:00 | 17.1p |
| 02:30 | 18.3p | 14:30 | 17.1p |
| 03:00 | 18.4p | 15:00 | 17.9p |
| 03:30 | 17.9p | 15:30 | 19.2p |
| 04:00 | 18.6p | 16:00 | 33.5p |
| 04:30 | 18.3p | 16:30 | 36.0p |
| 05:00 | 19.9p | 17:00 | 38.0p |
| 05:30 | 20.1p | 17:30 | 39.6p |
| 06:00 | 21.5p | 18:00 | 40.9p |
| 06:30 | 23.4p | 18:30 | 41.2p |
| 07:00 | 22.7p | 19:00 | 28.4p |
| 07:30 | 24.3p | 19:30 | 27.8p |
| 08:00 | 22.5p | 20:00 | 27.1p |
| 08:30 | 22.6p | 20:30 | 26.1p |
| 09:00 | 21.4p | 21:00 | 26.0p |
| 09:30 | 20.4p | 21:30 | 24.1p |
| 10:00 | 19.4p | 22:00 | 23.4p |
| 10:30 | 18.5p | 22:30 | 21.2p |
| 11:00 | 17.9p | 23:00 | 21.5p |
| 11:30 | 17.3p | 23:30 | 20.2p |
Prices were lowest in Apr (average 17.2p) and highest in Sep (29p). The single cheapest half-hour was -12.1p and the dearest 94.5p.
Month by month
| Month | Average Agile price |
|---|---|
| Jan | 23.5p |
| Feb | 20.1p |
| Mar | 23.5p |
| Apr | 17.2p |
| May | 22.3p |
| Jun | 21.1p |
| Jul | 22.8p |
| Aug | 27.9p |
| Sep | 29p |
| Oct | 27.3p |
| Nov | 19.6p |
| Dec | 19p |
Selling back: Agile Outgoing
Agile Outgoing paid an average of 11.5p per kWh in South East England over the same year, and 19.7p between 16:00 and 19:00. It pays for exports from MCS-certified solar, not from a battery and not from plug-in solar.
Other tariffs in South East England
| Tariff | Standing charge, p/day | Unit rates, p/kWh |
|---|---|---|
| Flexible Octopus | 53.60 | 28.2p |
| Agile Octopus | 55.79 | average 22.8p |
| Octopus Go | 54.82 | 9.9p / 36.6p |
| Intelligent Octopus Go | 54.82 | 6.9p / 38.3p |
| Cosy Octopus | 54.82 | 15p / 30.6p / 45.8p |
| Octopus Flux | 54.82 | 17.2p / 28.4p / 39.7p |
Octopus public API, fetched 25 October 2026; import prices with 5% VAT.
Plug-in solar in South East England
For Brighton, PVGIS (European Commission JRC) gives about 662 kWh a year from 800 W of upright south-facing balcony panels and 925 kWh angled at 35°. Check the payback and get permission letters.
Frequently asked questions
When is electricity cheapest on Agile in South East England?
Over 25 October 2025 to 25 October 2026, the cheapest three hours on an average day in region J were 12:00–15:00, averaging 17p per kWh, against 38.2p from 16:00 to 19:00. 3% of half-hours were below zero.
Is a home battery worth it on Agile in South East England?
In Fortyeight’s model a typical 2,500 kWh home in South East England saves about £226 a year with a 10 kWh battery on Agile, so the battery would need to cost under £2,054 to pay back in 10 years. Bigger or more evening-heavy users save more; run your own data to check.
How much would an 800 W plug-in solar kit make in South East England?
PVGIS data for Brighton give about 662 kWh a year for 800 W of upright, south-facing balcony panels and 925 kWh angled at 35°, before shading.
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