The Smart Export Guarantee (SEG) pays you for surplus solar energy sent to the grid. In 2026, the best rates are from Octopus (up to 15p/kWh with Outgoing Agile) and E.ON (5.5p/kWh flat).
## How much can you earn?
A typical 4kWp system without battery exports ~1,500 kWh/year. At 15p/kWh that's £225/year just from export.
Adding a battery reduces export but increases self-consumption savings — usually better overall.
## Best SEG tariffs 2026
1. **Octopus Outgoing Agile:** Variable 0-30p/kWh, avg 13-15p
2. **Octopus Outgoing Fixed:** 15p/kWh flat
3. **E.ON Next Export:** 5.5p/kWh flat
4. **British Gas Export:** 6.4p/kWh (customers only)
## Setup
You need MCS-certified installation, a smart meter (SMETS2), and to apply via your chosen SEG supplier. We handle MCS documentation as part of every install.
Full [solar panel service](/solar-panels), or see [battery storage](/battery-storage) for self-consumption optimisation.
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