Hi. I live in Scotland and had old fashioned storage heaters. I had the flat rewired so the old storage heaters came out and I bought Dimplex Quantum heaters to go in. Meanwhile, OVO installed me a smart meter in January and the engineer who installed it said I’d need to contact OVO to get the new meter upgraded to a 5 port version to accommodate the new storage heaters. Sounded straightforward, but on contacting OVO they now tell me I can’t have a dual rate meter and will have to run the system on the single rate. End of. They are very sorry etc. It’ll be unaffordable! Reading posts on this Forum, I can see there are the SMETS2 meters available - so what’s the problem I’m having? Any advice or suggestions very welcome. Thanks
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Storage heaters and 5 port smart meters- Can I have economy 7?
Best answer by Firedog
- Scotland’s a big country, served by two different DNOs. The options available might not be the same for both, so it would help to know what the first part of your postcode is to locate you a bit more precisely.
- Whether ‘Economy’ tariffs are available might depend on how your meter is recorded on the national database. Can you find the MPAN grid (example below) on your latest bill, i.e. post-smart meter exchange? A screenshot of it, with the meter ID (the 13-digit number in the middle box on the bottom line) obscured, might shed some light.
(The left-hand box on the bottom line tells us who the DNO is, so that would also answer my first question ...)

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