Profile: PV Powered, Inc. specializes in grid-tied PV inverters in the residential, commercial and utility markets. The PV powered residential string inverter performance monitoring system includes the PVM1010 data monitoring module and user access to inverter performance information on a password protected website. The PVM1010 along with the secure internet-based server operated by PV powered is equivalent to a stand-alone data logging meter and communication interface without the inconvenience of installation and maintenance of a separate metering system. Commercial inverter performance monitoring systems provide a range of information that can be used to reduce system downtime, optimize system performance and intelligently schedule system maintenance and module cleaning.