IEEE P1547.6

IEEE P1547.6 is a draft recommended practice focused on interconnecting distributed resources with electric power system distribution secondary networks. It addresses a specialized grid interface where dispersed generation or other distributed resources must operate alongside networked distribution equipment. For engineers, planners, and utility reviewers, the document matters because it helps define a more consistent technical approach to connection planning, operating compatibility, and network reliability in secondary network environments.

About IEEE P1547.6

IEEE P1547.6 provides guidance for the interconnection of distributed resources in distribution secondary networks, a setting that can be more complex than a simple radial feeder connection. Its technical context is closely tied to power system engineering and the practical coordination of generation, protection, and network behavior. As a draft recommended practice, IEEE P1547.6 is intended to support careful evaluation of interconnection arrangements, helping stakeholders consider system performance, operational limits, and compatibility with existing distribution network design.

Where is IEEE P1547.6 used?

IEEE P1547.6 is used in planning and review activities for distribution secondary networks that may host distributed resources such as local generation or other interconnected energy assets. It is relevant to utility interconnection studies, engineering assessments, and project documentation where secondary network behavior must be understood before connection decisions are made. The standard is especially useful in environments where electrical coordination, protection, and network operation must remain stable despite added distributed resource participation.

Importance in practice

In practice, IEEE P1547.6 helps reduce uncertainty when evaluating how distributed resources interact with distribution secondary networks. Clear technical guidance can support safer interconnection design, more consistent engineering review, and better alignment between utility requirements and project proposals. It may also improve procurement and compliance workflows by giving stakeholders a common reference for performance expectations, operating considerations, and connection-related risk management in complex networked distribution systems.

• Distributed resource interconnection guidance
• Distribution secondary network focus
• Engineering and review support
• Operating compatibility considerations
• Utility planning and compliance reference