Generac Power View Home Energy Monitor Model W2HEMGenerac Power View Home Energy Monitor Model W2HEM The PWRview W2HEM is a consumption and or generation meter that combines accuracy, intelligent hardware, and installation ease. How It Works Once installed in the electrical panel, the PWRview sensor begins measuring how the home uses and produces power, then software computes that information and sends it to a web or smartphone app. Features High data accuracy Quick and intuitive snap in installation