Hi Chris,
Another free option might be RETscreen: http://www.retscreen.net/ang/version4.php OnGrid and Clean Power Finance Tools are two popular paid options, both offer free trials I believe. -August *From:* [email protected] [mailto: [email protected]] *On Behalf Of *Chris Daum *Sent:* Tuesday, December 10, 2013 9:45 AM *To:* 'RE-wrenches' *Subject:* [RE-wrenches] Return on investment information Dear wrenches: We are bidding a job for a thrifty fellow; it's a small commercial system (7.2KW array), and he's interested on the figures relating to his return on investment. Does anyone have any link or software where we can crunch the numbers and get him an idea of his real ROI? Besides the 30% federal incentive, there is also a one-time state tax incentive as well as a grant from the local utility.... Thanks as always for your brain power! Chris Daum, Oasis Montana Inc. 406-777-4309, www.oasismontana.com
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