DIY system in CA; 8.68kw system

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  • foo1bar
    Solar Fanatic
    • Aug 2014
    • 1833

    #46
    Originally posted by foo1bar
    I think under $2/W is quite doable if doing DIY
    Oh - I forgot another significant item - I have limited roof area - so I bought 280W panels instead of 250/260W. That was $.25/W to $.20/W difference. (I would have needed more racking, etc - but still would have been at least $.15/watt I think)

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    • sdold
      Moderator
      • Jun 2014
      • 1424

      #47
      Originally posted by Amy@altE
      I was estimating $2 per watt for DIY.
      Good estimate, that's exactly what my 16 panel Enphase system cost including shipping, sales tax and permit.

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      • foo1bar
        Solar Fanatic
        • Aug 2014
        • 1833

        #48
        Originally posted by sdold
        Good estimate, that's exactly what my 16 panel Enphase system cost including shipping, sales tax and permit.
        Does that include what you spent on other hardware/tools you needed?
        (ex. roof sealant, shingle ripper, bolts, conduit, breakers, etc.)
        And what wattage panels / how much per watt for the panels? (I paid ~$1/watt just for the panels - I could have paid $1.20/W or $.80/W depending on efficiency of panels )

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        • csmith
          Junior Member
          • Mar 2015
          • 11

          #49
          Also ordered from Renvu. I did a lot of the install myself but then a licensed electrician/solar install mounted the panels and wired from panels to disconnect. Installed on my pole building and ran about 140 feet of #6 to house with a line side tap. I have 34 260w panels with enphase 215 micros. Cost breakdown below.

          $13700 panlels-racking, nuts, bolts,enphase envoy & cabling
          $1450 mis.- conduit, wiring,disconnects,breakers, trencher rental,etc.
          $100 solar interconnect fee- SCE&G Electric
          $2000 Fee to installer

          $17250 total for 8.84kw system before tax credits $1.95/watt. Final after tax credit will be about $7762.50 $.87/watt
          System went live on 7-23-15 and so far am pleased with the output. Had a high of 52.6kwh on 8-12 and a total of 1.21mwh

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