Thanks @Xavier82. The restart after 5 minute option did not solve my issue. Thats why I renewed the key. Still the question how to normalize the data. Enyone? To get rid of the negative value from the chart:- Hold down the shift key and click on the rogue entry on the chart, a pop-up should appear ...

I've had to roll back to build 15369 as an upgrade on 15th July broke access to my Envoy S Metered (4-10-35 firmware, which according to the Enphase Installer Toolkit is up-to-date). Reverting to the backup brought the three kWh counters (IDs 00000901 to 00000903) back online.

Would these recent changes tie with version R4-10-35 no longer being supported? Since Sunday evening the three kWh counters (IDs 00000901-903) from my Envoy have frozen. Here's what's in the log. 2023-07-17 22:47:01 Status: Envoy: Connected, serial: 122031021955, software: R4-10-35 2023-07-17 22:47 ...

UPDATED MAY 2018 - NOW SUPPORTS ENVIRONMENT MONITORING This script monitors an APC Smart UPS using a Network Monitoring Card rather than USB. When a card is fitted the serial interface (and presumably USB as well) is intercepted so you're communicating with the card instead of the UPS itself ...