Benn:

A colleague has used the Wiley took and calls it 'marginal.'

I use the Pathfinder and I like the features Ray described. I wrote a very simple spreadsheet using the teeny numbers on the month lines to create 100% of any month. I highlight and delete any of the numbers that are shaded and the remainder is the percent of exposure for a given month. You can multiply the output of PV watts or any other production result for a complete production prediction. Easy and free.

William Miller


At 05:38 PM 9/8/2010, you wrote:
I've used the Pathfinder for decades, so I'm partial to them. Great for on-site discussions of shading issues with the customer, as multiple people can see the shading at the same time on the spot. I've also used their Assistant software, and it works pretty well. You take a photo of the actual pathfinder from above, and then download the photo into their software. You can then calculate total annual impact of any shading in Kwh, or percentage of annual production. I've been quite happy with the system, and the price for a Pathfinder, and the software is much less than the Suneye, I believe.

R. Walters
<mailto:r...@solarray.com>r...@solarray.com
Solar Engineer




On Sep 8, 2010, at 3:46 PM, benn kilburn wrote:

Wrenches,

I'm looking at trying out another 'solar site evaluation tool', the ASSET (Acme Solar Site Evaluation Tool) from Wiley Electronics. I'm looking for feedback on its performance and user-ability. I have been using the pathfinder which is great, but not the pathfinder software.

Any comments on the ASSET or Pathfinder software would be greatly appreciated.

Cheers,
benn

DayStar Renewable Energy Inc.
<mailto:b...@daystarsolar.ca>b...@daystarsolar.ca
780-906-7807
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