SEG: Every Tariff Compared
Want to know what system suits this tariff?
Export tariffs pay very differently depending on your system size and whether you have a battery. See what setup would actually earn you the most at your home.
Size a System for This TariffFree. Uses your postcode and usage — no phone number needed.
Want to know what system suits this tariff?
Export tariffs pay very differently depending on your system size and whether you have a battery. See what setup would actually earn you the most at your home.
Size a System for This TariffWhich SEG tariff pays the most?
Every UK Smart Export Guarantee tariff compared (Q1 2026): PREMIUM EXPORT: Octopus Flux — 15p/kWh export (requires battery + smart meter). Best for: solar + battery owners who can time their exports. Annual export income (4kW system): £350-£520. STANDARD FIXED: Octopus Outgoing — 4.1p/kWh. EDF Export — 3.5p/kWh. British Gas Export — 3.2p/kWh. Scottish Power Export — 3.0p/kWh. Shell Energy Export — 2.8p/kWh. Annual export income at 4.1p (best standard): £120-£180. VARIABLE/AGILE: Octopus Agile Export — variable half-hourly (average 5-8p, peaks to 30p+). Best for: tech-savvy owners with battery automation. Annual income: £180-£400 (highly variable). REQUIREMENTS: MCS-certified installation. Smart meter (SMETS2 preferred). Registration with your chosen SEG supplier (free). HOW TO CHOOSE: If you have a battery: Octopus Flux (15p export). If no battery: Octopus Outgoing (4.1p, highest fixed rate). You can install with one company and export with another — they don't need to match. Source: Ofgem SEG supplier list (ofgem.gov.uk/environmental-and-social-schemes/smart-export-guarantee-seg), individual supplier tariff pages.
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Want to know what system suits this tariff?
Export tariffs pay very differently depending on your system size and whether you have a battery. See what setup would actually earn you the most at your home.
Size a System for This TariffFree. Uses your postcode and usage — no phone number needed.