<div><div dir="auto">The Enphase CTs are directional. There is an arrow on them. I believe it\u2019s supposed to point towards the load side for both consumption and production but not positive off the top of my head.</div><div dir="auto"><br></div><div class="gmail_quote"><div>On Wed, Aug 15, 2018 at 7:10 PM Kirpal <<a href="mailto:solarworks@gmail.com">solarworks@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>Jason...not sure about the Enphase consumption monitoring, if it is done with CT's confirm that your CT's are facing the right direction. Some CT's are directional and perhaps your consumption monitoring could be backwards instead of the utility meter wiring backwards.....Seems like the utility would have noticed incorrect wiring in their can.<div>We use the E Gauge CT clamps for some monitoring and they are directional. I am not familiar with the Enphase versions.</div><div><br></div><div class="gmail_extra"><br clear="all"><div><div class="m_-8748636488618801683gmail_signature" data-smartmail="gmail_signature"><div><div><div><div><div>Sunny Regards,<br>Kirpal Khalsa</div><div>Oregon LRT#25<br>NABCEP Certified PV Installation Professional<br>Oregon Solarworks LLC<br><a href="http://www.oregonsolarworks.com" target="_blank">www.oregonsolarworks.com</a><br>541-299-0402</div></div></div></div></div></div></div></div></div><div><div class="gmail_extra">
<br><div class="gmail_quote">On Wed, Aug 15, 2018 at 4:01 PM, Jason Szumlanski <span><<a href="mailto:jason@floridasolardesigngroup.com" target="_blank">jason@floridasolardesigngroup.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-family:arial,helvetica,sans-serif">Is it possible for a utility meter to be programmed/wired backward? I have a client on an Enphase system with production and consumption monitoring, and the Enphase monitoring is showing solar production exceeded consumption by 400 kWh for a billing period. However, the meter is reading almost exactly the opposite. It seems too coincidental.</div><div style="font-family:arial,helvetica,sans-serif"><br></div><div style="font-family:arial,helvetica,sans-serif">I'm going to go out to the site tomorrow to shut down all of the loads and see what happens when solar is only backfeeding the meter, but I'm curious how the meters are "programmed" or set up to work.</div><div style="font-family:arial,helvetica,sans-serif"><br></div><div style="font-family:arial,helvetica,sans-serif">Note that the meter was zeroed to start and the initial billing period readings show DEL exceeded REC by 400 kWh, which matches what was billed (net usage of positive 400 kWh). </div><span class="m_-8748636488618801683HOEnZb"><font color="#888888"><div style="font-family:arial,helvetica,sans-serif"><br></div><div style="font-family:arial,helvetica,sans-serif">Jason Szumlanski</div><div><div class="m_-8748636488618801683m_5000109842380418413gmail_signature" data-smartmail="gmail_signature"><div><div></div></div></div></div></font></span></div>
<br>_______________________________________________<br>
List sponsored by Redwood Alliance<br>
<br>
List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a><br>
<br>
Change listserver email address & settings:<br>
<a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" rel="noreferrer" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br>
<br>
List-Archive: <a href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html" rel="noreferrer" target="_blank">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a><br>
<br>
List rules & etiquette:<br>
<a href="http://www.re-wrenches.org/etiquette.htm" rel="noreferrer" target="_blank">www.re-wrenches.org/etiquette.htm</a><br>
<br>
Check out or update participant bios:<br>
<a href="http://www.members.re-wrenches.org" rel="noreferrer" target="_blank">www.members.re-wrenches.org</a><br>
<br>
<br></blockquote></div><br></div></div>
_______________________________________________<br>
List sponsored by Redwood Alliance<br>
<br>
List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a><br>
<br>
Change listserver email address & settings:<br>
<a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" rel="noreferrer" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br>
<br>
List-Archive: <a href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html" rel="noreferrer" target="_blank">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a><br>
<br>
List rules & etiquette:<br>
<a href="http://www.re-wrenches.org/etiquette.htm" rel="noreferrer" target="_blank">www.re-wrenches.org/etiquette.htm</a><br>
<br>
Check out or update participant bios:<br>
<a href="http://www.members.re-wrenches.org" rel="noreferrer" target="_blank">www.members.re-wrenches.org</a><br>
<br>
</blockquote></div></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Adam Katzman<br>Autonomous Energies<br>PO Box 1245</div><div dir="ltr">Kingston, NY 12402<br><a href="http://www.autonomousenergies.com" target="_blank">www.autonomousenergies.com</a><br>(518) 567-1468<br><br></div></div></div></div></div></div>