@agile_phil@octopus_energy@NexusUKOrg@aaylett@SteveM_1960@SmartEnergyGB@alexbloor So, to make it useful, what you really need is a IHD that speaks to set of Zigbee - one compatible with the meter, the other so it can talk to Homeassistant (or whatever) to control devices/shift load about?
Assuming you want to keep everything this side of your broadband