Current setup has been up and running for about 2 years and is follows:
Utility meter brings 200amp service into non-backed up load panel with 200amp main breaker and 225 amp rated bus bar. This panel has the car charger and my second solar inverter in it. Lugs come out of the bottom and go to my battery gateway and behind that is my primary inverter, 2 Powerwalls, and my main house panel.
The breaker for the car charger goes into a separate meter provided by the utility, before it goes to the charger and the billing a much like a water deduct meter would.
Long story short, I can't add a second car charger because it would exceed the busbar rating of the non-backed loads panel so we are going to upgrade to 400 amp service and split that into 2x 200amp services using double lugs, with one dedicated to the car chargers and the other to the existing setup sans extra meter and chargers.
Now my question. Currently all the monitoring works fine, both the Tesla and the SolarEdge consumption monitor. In order to preserve said monitoring, where do I need to move the CTs to? Can I just move them into the 400amp meter box and clamp them around both wires coming from off the double lugs immediately after the main meter?
Utility meter brings 200amp service into non-backed up load panel with 200amp main breaker and 225 amp rated bus bar. This panel has the car charger and my second solar inverter in it. Lugs come out of the bottom and go to my battery gateway and behind that is my primary inverter, 2 Powerwalls, and my main house panel.
The breaker for the car charger goes into a separate meter provided by the utility, before it goes to the charger and the billing a much like a water deduct meter would.
Long story short, I can't add a second car charger because it would exceed the busbar rating of the non-backed loads panel so we are going to upgrade to 400 amp service and split that into 2x 200amp services using double lugs, with one dedicated to the car chargers and the other to the existing setup sans extra meter and chargers.
Now my question. Currently all the monitoring works fine, both the Tesla and the SolarEdge consumption monitor. In order to preserve said monitoring, where do I need to move the CTs to? Can I just move them into the 400amp meter box and clamp them around both wires coming from off the double lugs immediately after the main meter?