System Sizing

      The following resources explain how to size the Powerwall system to meet customer expectations, as well as how to determine which loads can be included in the backup circuit and what to do with loads that cannot be included.

      • Backup Loads Supported per Powerwall Quantity
      • Powerwall 3 DC System Sizing
      • AC-Coupled Solar System Sizing
      • Powerwall 3 Expansion Units
      • Undersized Powerwall 3 Systems
      • Powerwall 3 System Design Guide
      • Design Considerations
      • System Sizing
        • Backup Loads Supported per Powerwall Quantity
        • Powerwall 3 DC System Sizing
        • AC-Coupled Solar System Sizing
        • Powerwall 3 Expansion Units
        • Undersized Powerwall 3 Systems
      • Metering Considerations
      • Equipment Location
        • Product Mounting Requirements
        • Common Mounting Restrictions (Varies by Code)
      • Electrical Design Considerations
        • Backup Switch / Backup Gateway 2 / Gateway 3 Tie-in
        • Disconnecting Means
        • Meeting Rapid Shutdown (RSD) Requirements
        • NEC 705 Interconnection Code Compliance
      • Appendix A: Code Requirements
      • Appendix B: Revision Log
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