Sharing threat information among public power utilities is critical to preventing cyber attacks. To facilitate this communication, public power utilities need to establish information sharing agreements to confidentially share security threat information.This report reviews what utilities should know to be able to identify threats and securely share security information with key stakeholders.The report also shares the findings from an evaluation of public power utilities’ understanding of and requirements for secure information sharing technologies. The evaluation addressed the effectiveness of a variety of technologies to reduce the time burden placed on public power utilities, while ensuring interconnectivity with public and private partners in public safety, security, and community resiliency. The evaluation also identified secure information sharing tools and technologies that will improve the culture of cyber and physical resiliency as well as security within the public power community.