Emerging in the 1970s as part of Brazil’s energy infrastructure development plans, the Belo Monte dam project has been a hot topic throughout the years. With decades of legal battles, the construction eventually started in 2011 and was inaugurated at its full capacity in 2019. But how did power dynamics and social inequalities shape the trajectory of the Belo MonteDam project? By conducting a deep thematic analysis, drawing from multidisciplinaryframeworks such as Political Ecology Theory, Post-colonialism, and perspectives fromscholarly discourse, this thesis delves into the intricate connections of how power dynamicsintersect with political, environmental, and economic dimensions and finally how these contribute to the decision-making process of major infrastructure projects such as the Belo Monte Dam. By creating a historical timeline, leading up to the inauguration and later on analyzing the major events from the multi-/interdisciplinary perspectives presented throughout, the thesis sheds light on the interplay of the power dynamics and social inequalities shaping the project’s trajectory. The thesis ultimately reveals a complex narrative marked by historical colonial legacies, political maneuvering, as well as a globalizing governance prioritizing development and economic interest over environmental and social concerns.