This Order amends the Electricity (Class Exemptions from the Requirement for a Licence) Order 2001 (S.I. 2001/3270) (“the Class Exemptions Order 2001”) to grant exemption from the requirement of section 4(1)(b) of the Electricity Act 1989 (“the Act”) (which prohibits the transmission of electricity without a licence) to persons in respect of transmission over high voltage array systems. Article 2 of the Class Exemptions Order 2001 is amended to insert a description of transmission over high voltage array systems (which are a type of transmission system under the Act) and Article 3 is amended to introduce the class of persons who benefit from the class exemption as set out in a new Schedule 5 of the Class Exemptions Order 2001.