Identifying Energy Waste Through Dense Power Sensing and Utilization Monitoring

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Executive Summary

PowerNet is a hybrid sensor network for monitoring the power and utilization of computing systems in a large academic building. PowerNet comprises approximately 140 single-plug wired and wireless hardware power meters and 23 software sensors that monitor PCs, laptops, network switches, servers, LCD screens, and other office equipment. PowerNet has been operational for 14 months, and the wireless meters for three months. This dense, long-term monitoring allows one to extrapolate the energy consumption breakdown of the whole building.

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