US Solar Codes P3 Reference 2 min read Reviewed June 4, 2026

IEEE 1547.1

IEEE 1547.1 is the conformance test procedure standard for verifying IEEE 1547 DER interconnection compliance.

Definition

IEEE 1547.1 is the conformance test procedure standard that defines how to verify a distributed energy resource (DER) inverter meets the requirements of IEEE 1547. Used by UL labs to test inverters for UL 1741-SB listing.

Key Takeaways

  • IEEE 1547.1 = conformance test procedures for IEEE 1547.
  • Latest: 1547.1-2020.
  • Used by UL labs for UL 1741-SB certification.
  • Not a design standard but a test standard.

Frequently Asked Questions

1 commonly searched questions about IEEE 1547.1.

What is IEEE 1547.1?
Test procedure standard for verifying IEEE 1547 compliance. Companion document to IEEE 1547. Used by certification labs (UL, CSA) for inverter testing.

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