Distributed Wind Certification Best Practices Guideline: January 16, 2023 - January 15, 2026

Joseph Spossey, Brent Summerville (NREL Technical Monitor)

Research output: NRELSubcontract Report


This Distributed Wind (DW) Certification Best Practices Guideline describes the typical approach for certification of distributed wind turbines above and below 150 kilowatts (kW) in size based on the conformity assessment requirements in the United States. The purpose of the guideline is to clarify and consistently describe the path to certification for various systems and components by helping the user navigate the complex path to certification compliance. This is done via clarification of both the required turbine type certification elements, as well as third-party electrical safety listing of turbine system components and subassemblies. In the United States specifically, there is no wind turbine certification scheme that governs or maintains a consistent set of conformity assessment requirements, and this can lead to wide ranging interpretations of the standards and required elements for certifications. This guideline attempts to simplify the path by organizing the information and guiding the user to the applicable set of requirements. Any wind turbine manufacturer or designer of wind turbines used in distributed generation applications in the United States would find value in the conformity assessment guidance in this guideline. Users are expected to be involved in the technical development of the product and supporting documentation, as the details provided are geared towards electrical and mechanical engineering of the system and components.
Original languageAmerican English
PublisherNational Renewable Energy Laboratory (NREL)
Number of pages99
StatePublished - 2024

Bibliographical note

Work performed by RE Innovations, Loganville, Georgia

NREL Publication Number

  • NREL/SR-5000-88371


  • best practices
  • certification
  • distributed wind energy
  • guideline


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