As per the topic, I have zwaveJS and a develo MT02646 smart plug.
Its messing up my energy monitoring because the kWh consumed meter has an incorrect reset date. In fact it shows
state_class: measurement
last_reset: ‘1970-01-01T00:00:00+00:00’
unit_of_measurement: kWh
friendly_name: kettle kWh
device_class: energy
so 1970 is wrong.