Predicting the productivity of a solar array with Perl
Solar Power Leashed
© Lead Image © Vlada Grechko, 123RF.com
A forecast service and some Perl magic help predict the solar power yield of a residential photovoltaic array.
The current energy crisis has led many homeowners to invest in solar power. More people than ever are choosing to install photovoltaic generation systems on their rooftops for domestic use. Depending on how much money is invested on such systems, homeowners could see their power bills cut in half or even have them reduced to nothing.
Solar is not all advantages, though: Power generation represents a huge upfront investment that will take more than a decade to recoup. Another huge disadvantage, however, is that photovoltaic arrays are only productive if the weather is willing to cooperate (Figure 1).
Figure 1: Two photovoltaic arrays provide more power than a regular house needs – but only if the weather cooperates.
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