Rogue communication devices found in Chinese solar inverters Undocumented cellular radios also found in Chinese batteries U.S. says continually assesses risk with emerging technology U.S. working to integrate 'trusted equipment' into the grid LONDON, May 14 (Reuters) - 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...