The SunSpec Alliance, an industry coalition formed to establish global interoperability among renewable energy system components and management systems, today announced the Second Annual SunSpec Plug Fest, an event focused on collaborative engineering to demonstrate the interoperability of solar components and IT systems based on the SunSpec: Modbus Specifications. The event will take place  October 4-5 at TUV Rhineland Pleasanton, CA . Click here to see the full announcement