M msi99 Member Location Texas Occupation Solar Jan 20, 2023 #1 If the property already has an existing enphase system hooked up as a line side, can we add a solar edge system to the property via a back feed if the 120% rule is satisfied?
If the property already has an existing enphase system hooked up as a line side, can we add a solar edge system to the property via a back feed if the 120% rule is satisfied?
G ggunn PE (Electrical), NABCEP certified Location Austin, TX, USA Occupation Consulting Electrical Engineer - Photovoltaic Systems Jan 20, 2023 #2 Sure, if the AHJ is OK with two points of interconnection on the service. The supply side connection did not change anything in the panel.
Sure, if the AHJ is OK with two points of interconnection on the service. The supply side connection did not change anything in the panel.
J jaggedben Senior Member Location Northern California Occupation Solar and Energy Storage Installer Jan 20, 2023 #3 The only other thing is that the combined output of the systems can't exceed the service rating. Which is probably unlikely anyway.
The only other thing is that the combined output of the systems can't exceed the service rating. Which is probably unlikely anyway.
G ggunn PE (Electrical), NABCEP certified Location Austin, TX, USA Occupation Consulting Electrical Engineer - Photovoltaic Systems Jan 20, 2023 #4 jaggedben said: The only other thing is that the combined output of the systems can't exceed the service rating. Which is probably unlikely anyway. Click to expand... Right; I didn't think of that but as you say, for residences the PV output not very likely to approach that limit.
jaggedben said: The only other thing is that the combined output of the systems can't exceed the service rating. Which is probably unlikely anyway. Click to expand... Right; I didn't think of that but as you say, for residences the PV output not very likely to approach that limit.