I don't know if this is available in the UK but in the US we can get devices like the one I got that allows us to monitor our usage and calculate usage vs generation.
https://rainforestautomation.com/rfa-z109-eagle/
http://pvoutput.org/list.jsp?userid=41746
This web site collates all the data from your solar system (again, if it supports that like my enphase system) and the power company. $10 per year donation.
This is all a bit involved to setup but the end product, that iOS app, is just brilliant. It just takes the data from pvoutput and massages it into an addicitive portable display. 1.5 years later and if the monitoring system is down for more than 12 hours my wife yells at me.
I am ignoring the powerwall because we have a sweetheart deal with net energy metering in southern california and the power delivery has been rock solid. So it would just be a minor insurance policy in case of a catastrophic event.
Copy and paste the below into a .reg file and run it. I used Sharp Keys ( https://sharpkeys.codeplex.com/ ) to create it, but since every major Windows 10 update resets your key mappings I just extracted it from the registry and double click the reg file after each update.
http://pvoutput.org/list.jsp?userid=41746 This web site collates all the data from your solar system (again, if it supports that like my enphase system) and the power company. $10 per year donation.
https://itunes.apple.com/us/app/pvoutput-pro/id994297624?mt=... And this little app adds a beautiful way to explore the data. $2 to get all the features.
This is all a bit involved to setup but the end product, that iOS app, is just brilliant. It just takes the data from pvoutput and massages it into an addicitive portable display. 1.5 years later and if the monitoring system is down for more than 12 hours my wife yells at me.
I am ignoring the powerwall because we have a sweetheart deal with net energy metering in southern california and the power delivery has been rock solid. So it would just be a minor insurance policy in case of a catastrophic event.