Section 46, The National Power Authority Act, 1982

(1) The Authority shall not without first having obtained the approval of the Minister in writing place any electric cable across any navigable waterway whether such cable is placed above or below water or under the ground. (2) When such approval is given the Authority shall inform the appropriate person or body of its intention to place such a cable across such a waterway and such body shall issue an order delineating the affected area and— (a) in the case of an underwater cable, declaring the area to be a prohibited area for anchorage; (b) in the case of a cable placed above the water, restricting the height of vessels passing through the area. (3) If any person or body requires the position or height of such cable placed across such navigable river or waterway to be altered, the Minister may by notice in writing require the Authority to alter the position or height of the cable subject to conditions which, failing agreement between the parties, may be prescribed by the Minister and the cost of such alteration shall be paid to the Authority by the person or body requiring the alteration and the Authority shall not be compelled to carry out the alteration until payment of the cost thereof has been secured to it. [Margin: Compensation for damage, et[illegible]]