[RFI] FCC issues a Notice of Violation to Solar City for RFI Inteferance

WD8ARZ wd8arz at ix.netcom.com
Fri Mar 17 13:49:24 EDT 2017


Well done Mike, and thank you so much for taking the action you have
and keeping all of us informed about it. 73 from Bill - WD8ARZ

On 3/17/2017 1:43 PM, Mike Kirkland wrote:
> After an on-site visit and testing by an FCC Enforcement Agent of the ~S9
> interference cause to my station by a Solar City solar array located 2
> houses away, the FCC issued Solar City a Notice of Violation.
>
> It appears that at least one of the primary interference generating
> components is a load balancing device called an "optimizer" which is
> attached to back of each solar panel. Testing by the FCC Agent showed that
> the interference does not stop until the optimizer is detached from the
> solar panel. Attempts by Solar City to add filters were unsuccessful and
> only resulted in a few DB of change.
>
> The optimizer (as well as the the rest of the system) is manufactured by
> Solar Edge. I was told by Solar City when I inquired about them installing
> a different type of system that this is the only kind of system that Solar
> City installs. Given this it's not hard to envision that many Solar City
> installations are causing this type of interference. Fortunately the FCC is
> concerned about this issue and is actively working to resolve it.


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