STEP 11: Turn On and Commission the System

Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
Turn the Powerwall 3 Enable switch OFF to de-energize the system before terminating any conductors inside Powerwall 3. Confirm lack of voltage at the AC and PV terminals before proceeding.

Prepare the System for Commissioning

Installation Scenario Actions
Powerwall Installation Complete? Solar Installed? Does Utility / AHJ allow the system to run pre-PTO?* Enable (On / Off) Switch Powerwall 3 Breaker Commissioning
Yes Yes No Leave the Enable switch OFF Leave the Powerwall 3 breaker CLOSED (ON) See Commission the System After Powerwall and Solar Installation
Yes Yes Yes Leave the Enable switch ON Leave the Powerwall 3 breaker CLOSED (ON) See Commission the System After Powerwall and Solar Installation
Yes No N/A (system not ready to be turned on) Leave the Enable switch ON Leave the Powerwall 3 breaker CLOSED (ON) See Commission the System Ahead of Solar Installation
Yes, but commissioning could not be completed (could not resolve errors with troubleshooting) N/A (applicable whether solar is installed or not) N/A (system not ready to be turned on) Leave the Enable switch OFF Leave the Powerwall 3 breaker CLOSED (ON) Commissioning cannot be completed at this time (schedule a second site visit to complete)
No (no AC service, install crew unable to complete, etc.) No N/A (system not yet installed) Leave the Enable switch OFF Leave the Powerwall 3 breaker CLOSED (ON) Commissioning cannot be completed at this time (schedule a second site visit to complete)

*In some cases, the Utility or AHJ may not allow the system to be turned on at the time of install. Instead, once PTO is received the customer can be notified to turn their system on.