PV System Update – 2015

Despite the fact that we had the coldest May in twenty years there was reasonable sunshine and I’ve had the best start to a year since 2011. Nevertheless, for the second year in a row the output for May was less than that for April – not what should be happening. My system has now generated 5650 units of electricity of which 4422 units (78%) have been exported to the grid and I am about 68% self-sufficient with regard to my electricity needs.

I’ve put some data together – here is the output data from my solar system for the last four years:

2011        1360 kWh

2012        1235 kWh

2013        1275 kWh

2014        1179 kWh

Target      1452 kWh

Graph of PV output JPEG june 2015

 

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