aluminumwelder said:buy the panels that have micro inverters in and put install them yourselves and then hire electrician to connect to your main power, if you piece meal the install it becomes much cheaper. $2.50 a watt installed if you do it yourself.
JasonA said:My extra array that we just added was $1.40/watt for another 3kw array or SolarWorld panels
That's racking, inverter, etc.
If you do DIY, you'll win..
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