A robust, secure, and resilient electric grid is essential to serving the needs of the public in terms of health and safety, economic security, and national security. A physical incident, cyber incident, or natural event affecting the electric grid can be potentially catastrophic for the way of life in the United States and Canada. A security mechanism that works today may not be effective tomorrow—the ways and means of threats and hazards constantly change, whether by design of a cyber incident or through unpredicted climate trends. Electric grid stakeholders must prepare for disruptive events and continue to work to address the potential threats, hazards, vulnerabilities, and consequences in the systems they manage. Download