Resources

Below are some documents and tools that may be useful resources for PV system installers.

Sizing Tool

A PV system sizing tool made available by Renewable Energy Associates (REA) and the Energy Trust of Oregon (ETO).

PV System Grounding Requirements

A brief overview of the National Electric Code (NEC) requirements for grounding a photovoltaic system.

System Diagram Form

A copy of the diagram form for obtaining system permits.

PV Labeling Requirements

A document explaining the specific requirements for labeling each piece of the the system.

PV System Commissioning Checklist

A copy of BEF's post-installation checklist.

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

A technical report released by the National Renewable Energy Laboratory (NREL), January 2008.

Photovoltaic Systems Interconnected onto Secondary Network Distribution Systems – Success Stories

A technical report released by NREL, April 2009.