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Design load question for my build


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On 26/06/2024 at 15:47, crispy_wafer said:

I'd ask for 3.ph then list out heat pump, air con, 3 ovens, hob and car chargers...  Then get octopus or your choice of electricity supplier to give you a 3ph meter.  You can still choose to use a single phase if that's how it pans out.


The only thing I found was that getting a 3P qualified installer was the delay in the system. In fact Octopus told me to get my pre-existing supplier EDF to do the work because they couldn't get an installer for 8 weeks last autumn. So I did and switched to Octopus on the day we moved in. 

Dealing with National Grid or whatever name they go by was actually a breeze to get the 1P to 3P upgrade. The install was interesting as they seem to have a man to dig a hole a man to swing some cable, a man to connect the cable to our purpose built cabinet and another connect to the old 1P meter. I'm sure we had about 10 individuals come over four days to actually do the upgrade.

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