[RE-wrenches] Trace SW4024 feeding back to grid

[Dave Angelini Offgrid Solar]

Sounds like this could happen. The (really) old SW input had an option 
to do this. Disconnect this.  Do you have the manual?  I might but not 
nearby now.  Good Luck

Dave Angelini Offgrid Solar
"we go where powerlines don't"
    [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridsolar at sti.net
text 209 813 0060

On 2026-01-10 1:12 pm, David Palumbo via RE-wrenches wrote:

> Wrench,
> 
> An off-grid installation of mine from many years ago has is now using 
> grid power instead of a generator. The utility is telling the homeowner 
> that they are going to disconnect him because his house is back feeding 
> 1 amp into their grid power.
> 
> I've been retired for many years now and did not do any of the work to 
> connect the utility power to his Trace SW4024 inverter/charger. The 
> utility power became available when his son brought in utility power 
> for his maple sugaring operation in the neighborhood, and the father 
> connected power to his house to replace his fossil fueled generator for 
> additional charging into his battery bank. They do not have a grid 
> interconnect sellback agreement with the utility.
> 
> I have no experience with this, but I'm assuming that the utility grid 
> is seeing power from its input connection to his Trace SW4024. Does 
> that sound right? If so, is there a simple solution to fix this problem 
> while continuing to use the grid power through his SW inverter?
> 
> Thanks for any advice that may help.
> 
> David Palumbo
> Hyde Park, VT
> 
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Links:
------
[1] http://members.sti.net/offgridsolar/
[2] https://offgridsolar1.com/
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