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Old 05-02-15, 03:49 AM   #12
gtojohn
Journeyman EcoRenovator
 
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245 watt sharp panels were $185 scored from craigslist. My m215 inverters were ebayed between $125-140 shipped. I bought one m250 for $155 shipped. 2 sets of trunk lines for $25 a connector, I bought 9x, 3 extra for future expansion totaling $225. Racking was unistrut, 4x 10' pieces for $23 ea, and 24x angle brackets for feet $4 ea. Screws and misc hardware $30. 2 tube black jack roofing sealant $3 each. 12-4 outdoor romex,250' for $180, I used about 60' but this was near the lowes price for 60' of cut wire. New breaker panel $70 plus a few breakers $25. Part of my update to a roomier panel I changed all my double poles to thicks, I think it looks better and its easier others to identify the big breakers. I paid $300 for the enphase envoy which should monitor my panels, not required but should be helpful once I get it set up.
Totaling very close to $2950 for 1.4 kw. $2.10 per watt.

With the current set up I could easily plug in 3 more for just cost of panels, inverters and racking, about $1050. Bringing cost down to 2.1kw for $1.90 per watt.

Last edited by gtojohn; 05-02-15 at 08:52 AM.. Reason: bad math
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