this post was submitted on 14 May 2025
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U.S. energy officials are reassessing the risk posed by Chinese-made devices that play a critical role in renewable energy infrastructure after unexplained communication equipment was found inside some of them, two people familiar with the matter said.

Power inverters, which are predominantly produced in China, are used throughout the world to connect solar panels and wind turbines to electricity grids. They are also found in batteries, heat pumps and electric vehicle chargers.

While inverters are built to allow remote access for updates and maintenance, the utility companies that use them typically install firewalls to prevent direct communication back to China.

However, rogue communication devices not listed in product documents have been found in some Chinese solar power inverters by U.S experts who strip down equipment hooked up to grids to check for security issues, the two people said.

Over the past nine months, undocumented communication devices, including cellular radios, have also been found in some batteries from multiple Chinese suppliers, one of them said.

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[–] Jimbabwe@lemmy.world 4 points 3 weeks ago

Hmm I have solar panels and battery backup on my house. A few months ago, one of the inverters failed and was replaced under warranty. I still have the defective one. I’d love to take it apart and try to find out if it’s compromised, but I’m not sure I’d know what to look for. Anyone here have specific knowledge in this area? Hit me up!