That looks cool... I actually bought an optical reader with an ESP8266 attached to try read mine but I'm not getting much back...*reviving meter discussion*
looks like there is a commercial reasonably priced solution now
which folks have integrated, could be my first post brexit aliexpress purchase
TUYA 1 or 3 phase Energy Meter
https://au-m.banggood.com/OWON-WIFI-Tuya-Single-or-3-phase-Power-Clamp-80A-or-120A-or-200A-or-300A-Multi-Function-Residential-Commercial-Application-p-1891726.html?rmmds=orderdetail Not sure how reliable banggood is, but they are selling a tuya wifi energy meter with different ct clamp sizes...community.home-assistant.io
finally get some high precision data
https://www.ebay.com/itm/313460034498 like this
ttps://tasmota.github.io/docs/Smart-Meter-Interface
I can only get back "/HTc5 RTC2 ISSUE 1.1". Google proved less than useful.