Solar Panel Generation – First Month Stats – East West Split

A little late publishing, but here are the first month’s generation statistics for the east-west split solar panel array. These stats are for my father’s 2.64kW system, which employs SunPower 240kW E19 Series solar panels with SolarEdge power optimisers fitted.

These statistics are the very first shown for the east-west system that was installed on 7th December 2011. After all the upheaval and agitation that he has endured over the previous month it’s rather nice to blog about something a little more interesting than installation problems.

Like my own, my father’s expectations were a lot higher than that of the received yield of solar generated electric. Having an installation in December is probable not the best idea if you want to receive instant encouragement and return from your system. After all this was now the darkest and gloomiest days of the year.

When reviewing my first solar harvesting statistics I had nothing to compare with. Seeing these now, although comparison is still very liberal due to the split array and differing size systems, it nonetheless offers some interesting similarities and solar array personalities.

What stands out when comparing these solar generation statistics to that of south, south-east system in particular at this stage is that the east-west split seems to harvest more on dull days. Obviously I can’t compare like for like but I believe that this slight improvement on certain days is down to the power optimisers. Overall the near south facing array trounces the split system during these shorter days, but once the longer days arrive the east-west split should come into its own. It should be rather interesting comparing in the months to come!

East-west split solar array first month's statistics

The electricity generation statistics are for the period from 8th December to 7th January 2012. During this first month the system harvested just over 37.5 kW of electricity, averaging 1.21 kW per day. The chart also shows the highest spike of generation hitting at 2.51 kW.

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