Protecting America's Distribution Transformer Supply Chain Act This bill prohibits the Department of Energy (DOE) from revising existing energy conservation standards for distribution transformers in electric power systems for the next five years. During that time, DOE may not propose, finalize, implement, administer, or enforce any rule under the Energy Policy and Conservation Act that establishes requirements that are different than the requirements for distribution transformers under the 2013 final rule titled Energy Conservation Program: Energy Conservation Standards for Distribution Transformer s.