Vaillant & OVO partner up to offer Heat Pump Plus

Mars · 2024-02-01T20:54:23Z

There's a new partnership between Vaillant and OVO which they've called Heat Pump Plus. From what I've just read, Heat Pump Plus is an add-on specifically designed for existing and new OVO customers with Vaillant "connected" air source heat pumps. This means not only do you need to switch your energy supplier to OVO, but your heat pump must also be equipped with specific Vaillant smart control components. This is the crucial catch: to access the discounted rate, you'll need to have your Vaillant heat pump installed by an OVO-approved installer, ensuring it includes the required myVAILLANT connect, sensoCOMFORT control and myVAILLANT app. If you meet the eligibility criteria, the programme unlocks a significantly lower electricity rate of 15p per kWh (ah, the good days from 2021) for your heat pump usage, compared to the standard variable tariff of around 28-30p per kWh. This translates to potential annual savings of up to £495.

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Westkent

(@westkent)

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19/05/2025 12:41 pm

@johnmo not how far this goes to answer your question but… in the EV tariff they can turn on & off your EV charger.

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Anonymous 5011

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19/05/2025 12:45 pm

Posted by: @westkent

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@johnmo not how far this goes to answer your question but… in the EV tariff they can turn on & off your EV charger.

Slippery slope starting

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ecodan-efficiency

(@ecodan-efficiency)

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22/05/2025 7:42 am

Posted by: @Anonymous

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Posted by: @ecodan-efficiency

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Posted by: @toodles

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@ecodan-efficiency Octopus Energy offer ‘Cosy’ for heat pump owners. You supply them with your MCS registration to qualify. Regards, Toodles.

I guess what I mean is are OVO the only ones collecting ASHP energy use data and using it to bill against?

And will they be the first to use the smart grid switch that most current heat pumps have, to switch the ASHP off when it suits them and the grid demands?

If they are directly collecting data from the heat pump, are you sure the data stream isn't two way?

They don't at the moment at least. They just pull data from some API that has been given to them by, in this case, Mitsubishi once a month. It doesn't sound terribly sophisticated. Given the numbers on the tariff it could even just be an emailed spreadsheet!

Who knows what the future will bring, but given Mitsubishi's cloud software is so basic and never seems to get updated (although at least it works) I can't see it happening any time soon!

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Richard24738

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22/05/2025 9:12 am

@ecodan-efficiency On the other hand, the fact that the Mitsubishi cloud software is "stable" could be a benefit in that Ovo will not be constantly changing whatever interface they have. My concern is that I hear that the data provided by Mel-Cloud is not fully accurate so that would presumably affect the accuracy of the billing.

Install 13 April 2024 - 4 Bedroom Brick Detached - Heat Loss 9,281w, Design 45c at -2 - Ecodan 11.2kw R32 - 25L Buffer - 250L Telford Tempest HP DHW - All 16 radiators replaced - Auto Adapt - Mel-Pump app - Octopus Cosy Fixed
19 Jan 2026 - added Sigenstor 10 battery

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