A goal of the 2014 P5 exercise was to provide Congress with a science-justified roadmap for project funding. Five years later, in 2019, the Department of Energy Office of Science declared: "Congressional appropriations reflect strong support for P5. Language in appropriations reports have consistently recognized community’s efforts in creating and executing the P5 report strategy" and "P5 was wildly successful." From 2016 to 2020, the High Energy Physics (HEP) budget grew from less than $800 million to more than $1 billion.