An analysis of the current state of the Portuguese electricity sector is the central objective of this article. Initially, an overview of the framework of energy in Portugal, providing information concerning the energy matrix and energy consumption and indicators was showed. Then, the investigation has widened in the electricity sector, seeking to present their sources of production, characteristics of the trading market, information about regulation and the outlook for generation from renewable energy generation. The study was developed based on literature research with primary and secondary data. The final goal is to build a comprehensive panel of the present situation and prospects of the electricity sector in Portugal.