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So EnergySo Energy So Export Flex: 4.5p/kWh
Checked directly against So Energy's own tariff page on 3 September 2026. Suppliers are named factually; this is not a partnership or an endorsement.
The rate, and who can get it
The rate
4.5p/kWh.
Source: so.energy, checked 3 September 2026.
Who can get it
- Open to anyone generating renewable energy -- 'you don't need to buy electricity from So Energy to benefit from SEG', per So Energy's own page
- Installed and functioning smart meter required, with half-hourly readings enabled
- MCS certificate (or equivalent), G59/G83/G98/G99 form and response, and proof of generator ownership required as supporting documents
None required -- open regardless of who installed the system, when, or who the electricity supplier is.
Does this pair with a Clearline-arranged installation?
Yes, in principle. So Energy does not require the solar or battery to be installed by So Energy itself for this rate.
| Package | System, installed | Export income, year one | Total year one benefit | Simple payback |
|---|---|---|---|---|
| LONGi solar only | £6,360 | £223 | £469 | 13.6 yrs |
| Solar + Duracell Dura16 | £10,810 | £151 | £828 | 13.1 yrs |
| Solar + Tesla Powerwall 3 | £12,710 | £151 | £828 | 15.4 yrs |
Standard 12 panel, 6.36 kWp system, national mean yield, 2,700 kWh typical use, run through the same model as every county page. Your free design call prices your actual roof.
Every installation is carried out by teams holding:
How So Energy So Export Flex compares
The highest flat rate we checked across every supplier is Good Energy's Solar Savings Exclusive at 25p/kWh. This tariff pays 4.5p/kWh, 20.5p below that. Compare all 26 on one page →
Other export tariffs
So Energy So Export Flex questions, answered
How much does So Energy pay on So Export Flex?
4.5p/kWh, as published on So Energy's own tariff page and checked 3 September 2026.
Who can get So Export Flex?
Open to anyone generating renewable energy -- 'you don't need to buy electricity from So Energy to benefit from SEG', per So Energy's own page. Installed and functioning smart meter required, with half-hourly readings enabled. MCS certificate (or equivalent), G59/G83/G98/G99 form and response, and proof of generator ownership required as supporting documents.
Does this work with a Clearline-arranged installation?
Yes, in principle. So Energy does not require the solar or battery to be installed by So Energy itself for this rate.
Get your free quote
Takes about two minutes. We work out your options, then confirm your free remote design call, on video, at a time that suits you. It starts with your roof and your numbers, and the design is built around them rather than around a product someone needs to shift.