U.S. Department of Energy Energy Efficiency and Renewable Energy

Utility-Interconnected Photovoltaic Systems: Evaluating the Rationale for the Utility-Accessible External Disconnect Switch

This report examines the utility-accessible external disconnect switch debate in the context of utility-interactive PV systems for residential and small commercial PV installations. It focuses on safety, reliability, and cost implications of requiring an external disconnect switch.

Date
January, 2008
Topic
Audience
Resource Type
Resource Source
M.H. Coddington, R.M. Margolis, and J. Aabakken (NREL)