This Architectural Drawing is AutoCAD 2d drawing of KWH meter details inn AutoCAD, dwg file. A gadget that calculates how much electrical energy is used is called an electric metre or energy metre. Kilowatt hours [kWh], which represent the energy consumed by a load using one kilowatt hour of power over the course of one hour, are the most widely used unit of measurement for electricity. For more details and information download the drawin g file.