A US federal executive order was issued on 1 May 2020 which proposes to “monitor and replace” any US power grid equipment made by its foreign adversaries. Security professional said it would mainly affect Chinese-made products like electrical transformers. The US Department of Energy (DOE) stated under the current US procurement rules, contracts are awarded to the lowest bidder when it comes to bulk power system procurement. That creates a "vulnerability that can be exploited by those with malicious intent."
Link to the full report: TR-20-126-001_China elec equip.pdf