energy officials have launched an investigation after discovering unauthorized communication equipment embedded within Chinese-manufactured solar power inverters connected to critical infrastructure grids across the country. A Reuters investigation, citing two individuals familiar with the matter, revealed. . U. This has prompted US energy officials to re-assess the risks of emerging technologies produced in China. Power inverters are. . Undocumented embedded devices have been found in Chinese inverters and batteries connected to power grids, raising growing concerns among US energy security officials.