Friends: I have seen utilities misappropriate values from their meter to the billing. That might explain your discrepancies.
William > On Aug 16, 2018, at 7:57 AM, Lorenzo Ortiz <[email protected]> wrote: > > Fun fact: Sometimes the stickers on the CT's are incorrect too. Had that > happen and took forever to figure out... > >> On Wed, Aug 15, 2018 at 4:10 PM, Kirpal <[email protected]> wrote: >> 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. >> We use the E Gauge CT clamps for some monitoring and they are directional. >> I am not familiar with the Enphase versions. >> >> >> Sunny Regards, >> Kirpal Khalsa >> Oregon LRT#25 >> NABCEP Certified PV Installation Professional >> Oregon Solarworks LLC >> www.oregonsolarworks.com >> 541-299-0402 >> >>> On Wed, Aug 15, 2018 at 4:01 PM, Jason Szumlanski >>> <[email protected]> wrote: >>> 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. >>> >>> 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. >>> >>> 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). >>> >>> Jason Szumlanski >>> >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> List Address: [email protected] >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> >>> List-Archive: >>> http://www.mail-archive.com/[email protected]/maillist.html >>> >>> List rules & etiquette: >>> www.re-wrenches.org/etiquette.htm >>> >>> Check out or update participant bios: >>> www.members.re-wrenches.org >>> >>> >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: [email protected] >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/[email protected]/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> >> > > > > -- > Lorenzo Ortiz Commercial PV Designer > > [email protected] (530) 274-3671 > > > > > Showroom located at: 149 E Main St. Grass Valley, CA 95945 > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
_______________________________________________ List sponsored by Redwood Alliance List Address: [email protected] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/[email protected]/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
