Amazon Web Services provides a highly scalable and low-cost cloud computing platform to hundreds of thousands of businesses and counting. While AWS’s services are effortlessly expandable, the data centers that run them are not; in part because of an outdated cable-based energy monitoring system. The current expensive, rigid and unscalable systems are subject to wasteful amounts of costly wiring, intermediate translators, pre-construction configuration requirements, and the legacy architecture inherent to cabled meters. My job, along with my 5 teammates, was to build a better solution to these innefficiencies—all from scratch.
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GridMon is an energy meter unlike any other. In a nutshell, GridMon takes instantaneous power measurements like a digital multimeter with the additional ability to record total consumption. Unlike a typical multimeter, however, the tool supports 3-phase monitoring with accuracies up to six decimal places after proper calibration, in addition to single-phase. While multi-phase capabilities greatly expand the device’s utility, what makes GridMon truly special are its wireless features. On-board Wi-Fi eliminates cables to seamlessly transmit data over the air. Furthermore, an industry-grade GPS enables every GridMon to identify itself, even just a few servers away from other GridMons. These innovations ultimately culminate in a streamlined user interface called Grafana where the information from an entire fleet of meters can populate as soon as they’re powered on.
