How to troubleshoot Enphase microinverters not reporting
If you have Enphase microinverters, you will probably have a device called the Envoy. This is the device that reports your solar production data and makes it available to the website and smartphone app. Your Envoy is connected to the internet with a couple different possible methods. When it loses its connection for any reason, your solar production data in the app will be frozen at the last time that the Envoy was able to connect.