The new IEEE Recommended Practice for Utility Interface of Photovoltaic Systems, IEEE Std 929-2000 was published in April.

The extensive revision of the previous 929 was in response to the maturation of the PV industry, which requires a comprehensive document giving specific recommendations rather than general guidance. The intent of the new standard is to define the technical requirements of PV system interconnection in a manner that can be readily adopted by utilities. It also includes several annexes for tutorial and clarification of test methods and measurements. The standard applies to utility-interconnected PV systems operating in parallel with the utility and utilizing static inverters for conversion of direct current (DC) to alternating current (AC).

The document describes specific recommendations for small systems rated at 10 kW or less. Larger static inverters could also follow the same recommendations.

Information

• John Stevens
  Sandia National Laboratories
  Telephone: +1 505 844 7717

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