Section 57, The National Power Authority Act, 1982

(1) The Authority may reduce the maximum power supplied to any consumer if, by reason of the exigencies of its operations, the supply of energy available is insufficient to enable the full quantity to be conveniently supplied: Provided that the Authority shall give reasonable notice of any reduction whenever possible. (2) Where the quantity of energy has been reduced as aforesaid no liability shall be incurred by the Authority in respect of any loss or damage caused by such reduction. (3) The Authority shall not be liable for any damage to person or property or for any cessation of the supply of energy which may be due to unavoidable accident or overloading due to unauthorised connection or apparatus, or to the reasonable requirements of the system, or to defects in any installation not provided by the Authority but shall be liable only when such damage or cessation is shown to have resulted from negligence on the part of persons employed by the Authority or from faulty construction of any of its installations. No. 3 National Power Authority [illegible] [Margin: Precautions in execution of work.]