[Greenbuilding] PV tracking...

[Clarke Olsen]

Could the addition of reflectors improve performance, catching the  
angled incidence?
Clarke Olsen
373 route 203
Spencertown, NY 12165
USA
518-392-4640
colsen at fairpoint.net




On Jul 31, 2011, at 12:49 AM, Gordon Howell -- Howell Mayhew  
Engineering wrote:

> It appears that typically no solar PV tracking system is  
> economically worthwhile.  This arises because you can install  
> additional fixed-tilt solar PV modules to equal the same amount of  
> annual energy as the tracking system provides, yet the additional  
> modules cost less than the tracking system's costs.
>
> This has been apparent for several years, and with the significant  
> drop in PV module pricing the difference is even greater today.
>
> There may be applications where a single-axis tracker is indeed  
> worthwhile, if it is designed and constructed in a very simple  
> manner, such as in an off-grid system.
>
> I'd be interested in readers' comments on their own experience.
>
> +Gordon Howell
> Edmonton
>
>
>
>
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