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Octopus opens up Smart Export Tariffs to Non-MCS Installations

Octopus Energy, has recently made a small, but significant, change to its terms and conditions for the Smart Export Guarantee (SEG) that means customers do not have to use MCS accredited installer for their Solar PV Installation.

Until now, Octopus Energy customers could only claim SEG payments if the installer was registered with MCS. However, now under clause 5.8 of their agreement, it states installations can be self-declared as being compliant by an installer or the consumer, meaning there are options other than an MCS certificate to allow consumers to access Octopuses SEG payments scheme.

In short, this means customers can now sell their excess energy back to the grid at a very competitive rate.


It is your responsibility to apply for the SEG Tariff with Octopus Energy.  Plug In Solar can not do this on your behalf.

You can find out how to apply for the Octopus SEG Tariff here: https://octopus.energy/help-and-faqs/articles/seg-tariff/

Clause 5.8 specifies: “Where you are unable to provide MCS or equivalent certification under clause 5.5, you confirm that you are satisfied that the generation asset has been installed by a competent professional and meets all required industry standards and guidelines. Octopus accepts no liability for any loss, damage or injury resulting from the installation.”

Octopus Clause 5.8

Octopus Clause 5.8

You can also see the full Octopus Terms and Conditions here: https://octopus.energy/policies/export-tariffs-terms-conditions/

There is a great video on MCS and the Octopus SEG tariff explaining this a bit further here:

This is a huge boost for Plug In Solar Kits as customers can now apply for the Smart Export Guarantee with Octopus, something that was not possible before.

There is no legal requirement for installers to be MCS registered for a Solar PV installation, and as long as the final connection to the grid is made and signed off by a qualified electrician, all Plug In Solar installations should be eligible for the Smart Export Guarantee.