The National Electric Code (NEC) provides guidelines for the safe installation of solar panel systems, including interconnection requirements. The NEC is adopted in all 50 states and is updated every three years.
The U.S. Department of Energy provides an overview of the national electric code requirements for solar panel interconnection, including information on grounding, bonding, and overcurrent protection.
This article from the Institute of Electrical and Electronics Engineers (IEEE) discusses the NEC 690 standard for solar electric systems, including interconnection requirements and best practices for installation.
The National Renewable Energy Laboratory (NREL) provides guidance on interconnecting solar panels to the grid, including information on NEC compliance and utility company requirements.
The Solar Energy Industries Association (SEIA) offers a guide to solar panel installation and interconnection, including information on NEC requirements and industry best practices.
This article from Electrical Contractor Magazine discusses recent changes to the NEC code related to solar panel interconnection, including updates to grounding and bonding requirements.
The Solar Interconnection Tool from Sandia National Laboratories is a free online resource that helps users determine the feasibility of interconnecting solar panels to the grid, including compliance with NEC requirements.
This video from a leading solar industry expert provides an overview of the national electric code requirements for solar panel interconnection, including tips for compliance and best practices for installation.