Since Nov 2, 2006, to today (Nov 22, 2009) photovoltaic system operated by SDSU Physical Plant has converted 79,179 kWh of the sun's energy to electrical power, reducing the campus' use of grid power. This is one of many green initiatives at SDSU.
Raw data may be accessed here. For quality-controlled data sets, please contact jkim@sciences.sdsu.edu.