Here is a nifty device that adds Z-Wave control to your electronics. The Aeon Labs Aeotec Z-Wave Smart Switch 6 lets you control your device, monitor its energy consumption and charge a USB device. Just plug a device into the switch’s outlet, and you will be able to control it using a Z-wave controller. The Smart Switch has a built-in energy monitor.
The switch has a LED ring that changes color to reflect on/off status. It reports energy usage in kWh or Watts accurate to 99 percent.