Note that, while the Chinese manufacturers of the inverters and batteries with extra communication devices were not named, 
Huawei and Sungrow (阳光电源) dominated over 50% of the global inverter market in 2023.
Huawei and Sungrow (阳光电源) dominated over 50% of the global inverter market in 2023.Quote
Byron Wan
@Byron_Wan
Rogue communication devices not listed in product documents have been found in some solar power inverters by US experts who strip down equipment hooked up to grids to check for security issues.
Over the past nine months, undocumented communication devices, including