Guy Debord is acknowledged as the leading theoretician of spectacle society and an important political activist and cultural agitator. This paper presents the result of a postdoctoral research, and analyzes the concepts of power presented by this author and how they are related to his project of revolutionary transformation of capitalist society. For such, a comparative analysis was performed with the thought of Hannah Arendt, one of the most significant authors of the twentieth century, who also reflected on themes present in Debord’s texts and political and cultural action.Guy Debord é reconhecido como o principal teórico da sociedade do espetáculo, além de ter sido também um importante militante político e agitador cultural. O artigo aqu...