That is how I am reading it. Complying with chapters 4 through 9 would be required. However, I think it will be impossible to comply given the fire suppression requirements. This is a remote off-grid installation, and water supply would be an issue. And I'm not sure how to go about finding someone to write up a commissioning and decommissioning plan.
On Thu, May 30, 2024, 8:38 AM Brian Mehalic via RE-wrenches < [email protected]> wrote: > I'm not looking at the most recent editions right, but the previous > versions of both 855 and the IRC both have statements to the effect of "ESS > installations exceeding the permitted individual or aggregate ratings shall > be installed in accordance with Section xxx" (pointing to the IFC in the > case of the IRC, and pointing to Chapters 4-9 in the case of 855), in other > words basically follow the (more onerous) rules for ESS on other than one- > and two-family dwellings. > > Brian Mehalic > NABCEP Certified Solar PV Installation Professional™ R031508-59 > National Electrical Code® CMP-4 Member > (520) 204-6639 > > Solar Energy International > http://www.solarenergy.org > > > > On Thu, May 30, 2024 at 3:17 AM Jason Szumlanski via RE-wrenches < > [email protected]> wrote: > >> Has anyone dealt with a large ESS installation that exceeds the aggregate >> storage limits in NFPA 855? The limits are quite low for very large single >> family homes. I have a situation where we need 120 kWh minimum for an >> off-grid home. There is a building dedicated for the inverters and >> batteries that is 400 feet from the main home. The intent was to house the >> batteries there, but we are in excess of the 80 kWh limit for an accessory >> structure. It would be impractical to house part of the batteries on an >> exterior wall. >> >> Are there any "loopholes" that might allow this larger ESS for this >> property? And if not, has anyone attempted to comply with Ch 4-9? That >> seems onerous. >> >> Jason Szumlanski >> Florida Solar Design Group >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> 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 > > Pay optional member dues here: http://re-wrenches.org > > 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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