Not a good start to our "solar year" (our system was installed in April 2011) - we've had what the media is claiming to be the wettest April on record, and for once, I can certainly believe them.
The Celerity grounds have been well and truly flooded, our chickens are not at all happy and basically, to use a meterological term, it has been bl**** miserable almost all month.
Having said all that though, our system still somehow managed to perform above predicted levels, albeit only by 6%. This makes it our second worst month ever, only being edged out by August 2011.
We did have two days that generated over 24kWh which is what salvaged the month for us.
More importantly though, we now have a full year of solar PV data, which shows we generated some 4400kWh - a very pleasing 31% above predicted levels!
One year out of 25 means it is obviously too early to judge whether our investment has been worthwhile, but it is certainly good news.
In the graph below, the yellow line indicates the average level we needed to reach each day (12.86kWh) in order to meet the predicted monthly total. The blue line shows the average level we actually reached (13.65kWh).
|Predicted (kWh)||Actual (kWh)||%|
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