U.S. Authorities Investigate Communication Devices in Solar Power Inverters
U.S. energy officials have intensified scrutiny of Chinese-manufactured components in renewable energy infrastructure after the identification of undocumented
U.S. officials have discovered undisclosed communication devices on Chinese-made power inverters that were being used on solar panels, Reuters reported today based on anonymous sources within the federal government. The inverters are devices separate from power sources like solar arrays or batteries.
Leading renewable energy operators worldwide are confronting a disturbing supply-chain vulnerability: undocumented communication modules found in Chinese-made solar inverters and batteries.
However, rogue communication devices not listed in product documents have been found in some Chinese solar power inverters by US experts who strip down equipment hooked up to grids to check for security issues, the two people said. Our chief editor shares analysis and picks of the week's biggest news every Saturday.
Confirmed Findings: On May 14, 2025, Reuters reported that U.S. energy officials and third-party hardware analysts uncovered cellular radios and other comms modules directly soldered onto inverter and battery circuit boards, features absent from all publicly available specifications (Reuters, May 14 2025).
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