Is it possible for a utility meter to be programmed/wired backward? I have a client on an Enphase system with production and consumption monitoring, and the Enphase monitoring is showing solar production exceeded consumption by 400 kWh for a billing period. However, the meter is reading almost exactly the opposite. It seems too coincidental.
I'm going to go out to the site tomorrow to shut down all of the loads and see what happens when solar is only backfeeding the meter, but I'm curious how the meters are "programmed" or set up to work. Note that the meter was zeroed to start and the initial billing period readings show DEL exceeded REC by 400 kWh, which matches what was billed (net usage of positive 400 kWh). Jason Szumlanski
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