Feature Configuration Overview

This document introduces each of the following settings in more detail; this table provides a simple reference for which users can configure each feature.

Feature Description Configurable By

Panel Limit (numerical limit)

Limit on amperage flowing into an electric panel / busbar from all controlled and uncontrolled sources (Grid, Solar Inverter, and Powerwall) Default limit is 80A for Powerwall 2, Powerwall+ or Powerwall 3. Can be configured to 10-200A by Qualified Personnel
Powerwall 3 Power / Current Limit (numerical limit) Changes maximum power / current output of Powerwall 3 from default value of 48 A / 11.5 kW Default value is 48 A. Can be configured as 41.7, 31.7, or 24 A by Qualified Personnel
Site Import Permissions (style of import) Whether Powerwall can charge from solar, the grid, or both Qualified Personnel
Site Import Limit (numerical limit) Limit on how much the site can import from the grid Qualified Personnel
Site Export Permissions (style of export) Whether the Powerwall and/or solar can export to the grid Qualified Personnel
Site Export Limit (numerical limit) Limit on how much power can be exported to the grid Qualified Personnel

Conductor Limits (numerical limit)

Curtails power from all Powerwalls in a system to limit the total current on a conductor, making the limit equivalent to the “power source(s) output circuit current” outlined in the requirements of Article 705.12(B) of the 2020 NEC / 2022 CEC Qualified Personnel