This report provides an overview of the current state of nuclear new build projects, with 61 units currently under construction and about 500 further reactors planned within the next two decades. The report highlights the challenges faced by project owners and teams, including tight time schedules and limited nuclear new build experience. The study also examines the characteristics of new build projects and the supply chain issues that can arise. The report concludes that, in addition to technical complexity, managing the human and organizational aspects of these projects is a key challenge.