On 28/04/2011 16:34, Olin Lathrop wrote:
> The loss due to angle during the day is more severe, since it can go to 9=
0
> degrees (cosine =3D 0) and beyond at times.  Tracking panels seek to reco=
ver
> some of that loss.  They do, but also add expense and complexity.  Last t=
ime
> I looked into this, it made sense to just get a bigger fixed panel than a
> tracking panel for most applications.

how well does having two panels, one angled slightly west and one angled=20
slightly east compared to one flat panel of same cost, angled for winter=20
time?

in this application optimising the available energy gathered isn't=20
important, it's not selling excess to grid, but just ensuring enough=20
(minimum) charging of a battery with a fairly fixed load.
--=20
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