I am on Intelligent Octopus with solar and battery. Over the past year I managed to set up my system to match the charge rate with the solar quite nicely (The EV charger is terrible, would not recommend). Since Octopus increased the export rate to 15p/kWh a couple of weeks ago it now makes no...
I have the same noise. I'd always assumed it was the FitcamX dashcam chirping to tell me about something. It's quite hard to work out the direction it's coming from.