System Requirements for Zero Export
If your PV system is equipped with more than one inverter that can regulate power, you can generally operate your system as a zero-export system without any upgrades.
For zero export, the hardware components listed below must be included in the PV system:
Controllable PV or hybrid inverter
SMA Energy Meter (EMETER-20) / SMA Energy Meter CT (EM-1CT63A-21, EM-3CT63A-21) or Sunny Home Manager 2.0 (from firmware version 2.6.6.R)
Additional components to increase the self-sufficiency quota, e.g., radio-controlled sockets or a controllable heating rod. See the "SMA SMART HOME - Compatibility list for the Sunny Home Manager 2.0".
To charge an electric vehicle with solar power, you need to upgrade the system by adding the SMA eCharger (see product manual).
Information: Optional loads cannot be used with zero export and must be configured accordingly.
With this solution, you can always install a storage system at a later time.
Configure the parameter settings according to the components in use ( > Setting Measured Values at the Point of Interconnection).
Also see: