APS packet checklist

Sample preview — compiled from public sources 2026-08-12

The structural contents of an APS packet, from APS's Interconnection Application Process Guide confirm current revision. Which items apply depends on project type and size.

• Interconnection application in PowerClerk
• Authorization form, signed by the customer of record (routed for signature through the portal)
• Interconnection agreement, executed with APS
• Consumer acknowledgement form — solar purchases, financings, and leases (per Arizona consumer statute A.R.S. § 44-1763 confirm current form)
• Executed contract or invoice — residential purchase, finance, or lease transactions
• Site plan diagram — equipment locations, access, orientation
• Electrical three-line diagram (a one-line diagram is accepted for residential single-phase, load-side connections)
• PE stamp: commercial electrical drawings stamped by a Professional Engineer (Electrical) registered in Arizona; residential drawings only when APS requires it in writing
• Battery spec sheets for energy storage systems
• Systems over 1 MW (inverter-based): AC and DC control schematics, relay setting sheets, and sequence of operations
• After construction: permit clearance ("green tag") or accepted letter in lieu, CT enclosure approval where applicable, and an NRTL field-inspection letter where applicable

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