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Smart Export Guarantee

Updated: May 3


The smart export guarantee (SEG) is an obligation set by the government for licensed electricity suppliers to offer a tariff and make payment to small-scale low-carbon generators for electricity exported to the National Grid, providing certain criteria are met.

The SEG came into force on 1 January 2020



How does the SEG work?


The SEG Licensee is required to put processes in place to pay for the electricity exported by the eligible installation and to report to Ofgem on installations under the SEG arrangements. SEG Licensees determine the rate they will pay, contract length and other terms.

However, whilst wholesale electricity prices can sometimes fall below zero, SEG Licensees must always offer a tariff that remains above zero. SEG payments must be calculated by SEG Licensees using Export Meter Readings.

Octopus energy have a really good system, found here

Document required to claim SEG


  • MCS certificate

  • Notification to Electricity Network (DNO) from

  • Proof of ownership – Final invoice fro

  • Proof of address

  • Proof of ID

  • Schematic Line Diagram of installation

In addition to these documents you will need a modern generation smart meter (SMETS2). Your electricity supplier will arrange the installation of this meter. Not all SEG providers will require you to buy your supply electricity from them. It is better to check with your supplier and the intended SEG provider for details as rates and terms vary between providers


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