A methodology to monitor Power Markets using the co ncept of Competitive Intelligence is described in this pa per. This concept gives an integral vision to the environment monitoring process, involving from obtaining inform ation to information analysis and diffusion in order to s upport making decisions. The methodology development was b ased on the study of public information available on the Internet for the countries of Argentina, Bolivia, Colombia, Ecuador, Panama and Peru. The methodology proposes the activities and tools that should be followed and us ed to perform a continuous monitoring to the Power Market and it may be used by any concerned agent of the market . Its application allows to obtain variables and indicato rs related to statistical information of the market, o rganized in four categories: production, infrastructure, consum ption and economic ‐ environmental. The methodology was validated for the Colombian case, obtaining 27 vari ables and indicators.