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The energy consumption had grown deeply in the entire world. In Brazil, although the economic growth in the last years had been underwhelming, the growth rate of the energy consumption was impressively high. Recently, at the beginning of the year 2015, meaningful adjusts had been done at the energy tax. Especially on the state of Santa Catarina the National Agency of Electrical Energy of Brazil (ANEEL) approved a readjustment of 43% on the bills of the industrial customer of electricity. The concepts and advantages of Smart Grids make relevant detailed measurements. These aspects combined with the recent adjustments on the electricity bills fall under the need to develop real-time consumption monitoring systems. From this point of view, there is not a significant amount of systems designed to achieve those functions simply and at low cost. This paper proposes the development of a low-cost prototype for monitoring the consumption of electricity in real-time using communication with electronic meters of power distribution companies. Specifically, we seek to develop a prototype computer based on the Intel® Galileo Gen2 platform and data communication standard ABNT NBR 14522.