Nik,
Check out this tool on Solmetric's website: http://www.solmetric.com/annualinsolation-us.html You can input your tilt and azimuth and it calculates the percentage loss from the site's ideal orientation. Ryan From: [email protected] [mailto:[email protected]] On Behalf Of Nicholas Ponzio, Building Energy Sent: Tuesday, October 06, 2009 10:38 AM To: RE-wrenches Subject: [RE-wrenches] orientation data Hey Folks, Anybody have real data to compare productions for south-facing vs, west-facing PV array? PVWatts is only showing about a 7% derating for facing west. Thanks, Nik No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.238 / Virus Database: 270.14.3/2410 - Release Date: 10/02/09 18:24:00
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