The phrase "exclusive power" is grammatically correct and can be used in written English.
It refers to the sole or complete authority over something. Example: The CEO of the company has exclusive power to make decisions regarding budget allocation.
The Comptroller shall have exclusive power and jurisdiction to appoint a conservator for a bank.
Since the mid-20th century, electricity has been almost the exclusive power source in milling.
Uninhabited electric vehicle typically utilize batteries as an exclusive power source.
Simply give to the individual states the exclusive power to establish for their citizens the right to bear arms.
The general partners have exclusive power to appoint the managing partners (gérants), who are responsible for running the business.
The problem is that the Constitution gives the government exclusive power to produce energy, as a point of national pride.
449, as amended, 29 U.S.C. 151 et seq., because that statute, like the Railway Labor Act, affords unions exclusive power to represent all employees of a bargaining unit.
Congress was undoubtedly given the exclusive power to regulate commerce in order that undue, unjust and unfair burdens might not be imposed upon such commerce.
Congress has the exclusive power to legislate concerning the Army and the Navy of the United States, and to determine, among other things, the conditions of enlistment......
I, § 8; and it is argued that the Constitution gives to Congress the exclusive power to determine when it has declared war.
Congress has invested the National Labor Relations Board with the exclusive power to adjudicate conduct arguably protected or prohibited by the National Labor Relations Act.
