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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>The only experience I had with a PV array under the high voltage transmission lines was that the utility pulled out a 500’ access rule and wouldn’t allow the system to be installed.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>However, I would agree with the prior responder that the shading will be proportional to distance from the array. I would imagine that the poles / towers would be a bigger issue for shading and that the high voltage transmission wires would be negligible at 60’ or more from the array. A close approximation of shade band could probably be made via geometry.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='color:#1F497D'>Mike Kocsmiersky<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Principal<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Phone: 413 883-3144 <o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:16.0pt;color:#1F497D'>Spirit Solar<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:12.0pt;color:#1F497D'>www.SpiritSolar.net<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'><o:p> </o:p></span></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Paul Lyons [mailto:Lyons@ZapotecEnergy.com] <br><b>Sent:</b> Wednesday, February 24, 2016 10:51 AM<br><b>To:</b> re-wrenches@lists.re-wrenches.org<br><b>Subject:</b> [RE-wrenches] Shading from Overhead Transmission Lines<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:12.0pt'>Hell RE-Wrenches –<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Do any of you have experience with locating ground-mounted PV systems under high-voltage transmission lines? We have an electric utility client who would like to use some of its land underneath its HV transmission lines to install PV. Is the shadow cast be the overhead wires significant enough to affect the string voltages in the array? Should we go with micro-inverters?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Thank you,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Paul Lyons, P.E.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Zapotec Energy Inc.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>675 Massachusetts Ave<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Cambridge, MA 02139-3309<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Tel: 617-547-5900 ext.201<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'>Email: <a href="mailto:Lyons@ZapotecEnergy.com"><span style='color:blue'>Lyons@ZapotecEnergy.com</span></a><o:p></o:p></span></p><p class=MsoNormal>Web: <a href="http://www.ZapotecEnergy.com"><span style='color:blue'>www.ZapotecEnergy.com</span></a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>