The enumerated powers are a list of items found in Article I, Section 8 of the U.S. Constitution that set forth the authority of Congress. In summary, Congress may exercise the powers that the Constitution grants it, subject to the individual rights listed in the Bill of Rights.he enumerated powers listed in Article One include both exclusive federal powers, as well as concurrent powers that are shared with the states, and all of those powers are to be contrasted with reserved powers that only the states possess.