A downward slope indicates more energy is being produced than is being consumed. ( A backward spinning meter )
A straight line indicates energy consumed == energy produced
A upload slope indicates more energy is being consumed than is being produced.
* Historical - Drill down
August 2010 was recorded by hand - sorry no 5 minute data - only daily
September 2010 was estimated - got lazy
October 8 2010 - Automated monitoring system installed