This document provides an overview and summary of a presentation titled "Are We There Yet? What is 'Substantial Completion' and how do we know when we get there?". The presentation discusses the various definitions and interpretations of the term "substantial completion" and how it impacts construction projects. It notes that substantial completion determines important milestones like the start of warranty periods and energy measurement programs. However, the definitions of "substantial" and "complete" can vary widely. The presentation explores different understandings of substantial completion and how the determination of this date can affect project schedules, liability, and payment timelines. It also discusses new considerations in determining substantial completion related to commissioning, certification processes, and regulatory requirements.