Sol Ark told me they would provide a letter to any utility or jurisdiction if that would help alleviate there sell back fears.
Sent from my iPhone > On Mar 31, 2021, at 5:51 AM, Jay <[email protected]> wrote: > > > A number of companies have this feature which is under their UL listing. > SE > SolArk > To name 2. > > Are you saying that the UL listing isn’t enough and that it needs 3rd party > testing. > If so what organization/testing would that be? > > Jay > Peltz power > >>> On Mar 31, 2021, at 8:27 AM, Jason Szumlanski >>> <[email protected]> wrote: >>> >> >> I wonder how quick these software based approaches are to respond to loads >> that drop off and momentary selling that may occur before production is >> curtailed. I think what Greg may be asking is whether there is a failsafe >> method to prevent backfeed. Without a battery, I'm not sure how that would >> be accomplished. It's an interesting question. >> >> I can see a small utility not accepting a non-failsafe software based >> solution unless it can be shown to be 100% effective via third party >> listing/certification. >> >> Jason Szumlanski >> Florida Solar Design Group >> >>> On Wed, Mar 31, 2021, 7:29 AM Will White <[email protected]> wrote: >>> Many inverters have the option to zero-sell (no export to the grid) but you >>> need an additional CT on the main service conductors so the inverter can >>> monitor the loads and ramp down production if it starts to get close to >>> producing more than the loads require. >>> >>> I'd suggest getting into the manuals and white papers of the inverter >>> manufacturers to determine if they can do this. I believe both SolarEdge >>> and Enphase can do it. I'd assume others can as well. >>> >>> Thanks, >>> Will >>> >>> >>> -- >>> Will White >>> Curriculum Developer >>> >>> >>> e: [email protected] >>> w: www.solarenergy.org >>> p: 802-272-3092 >>> >>> NABCEP Certified PV Installation Professional >>> # 093006-34 >>> Do you envision a world powered by renewable energy? Be the change. >>> >>> >>>> On Tue, Mar 30, 2021 at 9:24 PM greg egan <[email protected]> wrote: >>>> Wrenches, I've got a small system using SolarEdge inverter (4 kW) that >>>> is supposed to go in to a small town that does not allow selling power >>>> to the grid. That may change but that is how it stands now. The >>>> customer wants to use the power that is generated but can not sell or >>>> even give excess power away. Do any of you have any experience setting >>>> up a grid tie no battery system so that it can not sell to the grid >>>> under any circumstances? Just wondering before I dig any deeper if >>>> there's an obvious solution I'm missing. Thanks, >>>> >>>> Greg Egan >>>> Remote Power Inc. >>>> >>>> >>>> >>>> _______________________________________________ >> _______________________________________________ >> 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 >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/[email protected]/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://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 > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org >
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