We use the Northern lights diesel gens small 1800 rpm Water cooled. When ordering they do offer a 2 wire module that makes things a nicer install. Tump
Blair "Tump" May On Wed, Sep 2, 2026, 8:28 AM Dana Orzel <[email protected]> wrote: > I totally agree designing a solar system with ample PV and a balanced > amount of batteries is the best way to proceed however, two weeks of clouds > in mountainoussnow Country - South Central Idaho and you need a generator. > I only ran six hours on mine last winter & 15 hours total for 12 months of > the prior year but finding a decent water cooled 1800 RPM propane generator > has become more and more difficult. personally I have a 20 KW that came out > of mine in Colorado many years ago and continues to function perfectly. > Sent from my iPad > > > On Sep 1, 2026, at 7:04 PM, Zeke Yewdall <[email protected]> > wrote: > > > > > > North Star Logistics shows a number of options for 15kW diesel > generators -- 1800rpm water cooled. I have not used any of them, because I > do not generally use diesel generators (because of the difficulty cold > starting under AGS control). If you're in a warmer climate, they might be > an option. Cummins also has the CD15D6 diesel. I don't know of any small > 1800rpm water cooled propane ones any more except the wildcat ones I just > saw recently... and I guess they aren't really a thing. > > > > My approach recently has been to design the PV array such that I'm doing > very few generator run time hours annually, such that I don't wear out a > 3600rpm air cooled option too fast... trying for well under 100 hours > generator run time per year. With the decreasing cost of PV it's becoming > much easier to do that -- oversizing the array (but... ground mount racking > almost always costs a lot more than the PV modules nowadays). But it does > still depend heavily on your climate and the customer whether thats a > possibility. > > > > Zeke > > > > _______________________________________________ > > 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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