The E-Mon Class 2000 Three Phase Power Meters provide the basic building blocks of an affordable, effective, and scalable energy management system. These easy-to-install meters can monitor anything from a single-phase circuit, to a specific load panel, and to an entire building. Energy usage data can be viewed via the meters' LCD display for easy, walk up and read, monitoring of energy consumption. Remote metering, via E-Mon Energy Automatic Meter Reading (AMR) or Web-Mon Web Enabled Monitoring systems, is also easily interfaced for tenant billing, energy management and cost allocation. The metering is based on actual usage, not on estimation or ratio-based calculations.