The Electricity Act 1989 (Requirement of Consent for Hydro-electric Generating Stations) (Scotland) Revocation Order 2011
Under section 36 of the Electricity Act 1989, consent is required for the construction, extension or operation of an electricity generating station with a capacity exceeding 50 megawatts. It is possible for this limit to be varied by means of an order made under section36(2) and (3) of that Act.