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Who's your electricity provider and what's your tariff?

Mars · 2021-03-02T22:09:42Z

Electricity tariffs are a key component of running costs when it comes to heat pumps. Please share who your electricity provider is and what tariff you're on.

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Electricity, Tariffs, Monitoring, Electrics & Providers

Last Post by Toodles 48 minutes ago

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Toodles

(@toodles)

Famed Member Contributor

Joined: 4 years ago

Posts: 2954

15/09/2026 9:29 am

@old_scientist Cosy (standard model) here, I was on Cosy previously to a short flirtation with IOF but not getting on with it, I went back to Cosy within a week or so. Calling it just ‘Cosy’ as until the Fixed version came along, there was just the one model. Regards, Toodles.

Toodles, heats his home with cold draughts and cooks food with magnets.

👍

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Old_Scientist

(@old_scientist)

Honorable Member Member

Joined: 2 years ago

Posts: 555

15/09/2026 9:41 am

@papahuhu I've spoken with Octopus this morning about switching the export tariff, and the guy wasn't aware of any process they can do their end to switch the export tariff for you, so you need to apply for an Octopus Outgoing tarrif of your choosing (Outgoing, Prime or Agile).

He did initially say he thought I could just stay on Flux for export as he was sure he'd seen plenty of accounts with Flux export, but I advised him that wasn't an option according to Octopus' compatibility chart. I guess some people fail to switch their export tariff and maybe just stay on Flux - I wonder whether they continue to be paid Flux export rates or if Octopus backdate regular Outgoing once they realise the error.

Anyway, I'm off to apply of Octopus Outgoing, where you have to provide your MPAN, and copies of your MCS certificate and DNO letter again. I raised this with them and he said he would raise it to see if the process could be streamlined for existing Octopus Export customers to not have to provide all that information again every time they switch export tariffs.

Samsung 12kW gen6 ASHP with 50L volumiser and large radiators. 7.2kWp solar (south facing), Tesla PW3 (13.5kW). Net Zero

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Papahuhu

(@papahuhu)

Honorable Member Member

Joined: 1 year ago

Posts: 404

15/09/2026 9:51 am

@old_scientist I just checked and my account still says flux export, I may leave it and see what happens then. There is about a 24 hour lag between the export and it appearing as an input, so I will find out tomorrow if they are honouring the flux.

perhaps you are best leaving it, until they correct their error?

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Toodles

(@toodles)

Famed Member Contributor

Joined: 4 years ago

Posts: 2954

15/09/2026 9:53 am

@old_scientist When I switched back to Cosy (bog standard) recently, I then needed to apply for my export to be reset to Outgoing Fixed. When I looked on the website, they required the Mpan and MCS sustificate details to be supplied. I rang up instead and the whole changeover to Outgoing Fixed took seconds and without referring me to the website or supplying my details over the phone; I think that the assistant referred back to my details and set everything from those without any need for my intervention. Regards, Toodles.

Toodles, heats his home with cold draughts and cooks food with magnets.

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