The National Grid (Hinkley Point C Connection Project) Order 2016

4.  In this licence, “authorised development” means—

(a) Work No. 1G – LD, as set out in Schedule 1 to the Order, concerning the route south of River Avon to Seabank Substation, namely—

(i) Works to construct a 400kV overhead electric line, between pylon P-LD106 and Seabank 400kV Substation. The route is 8.3km in length commencing at pylon P-LD106 on Works Plan section G sheet 2 and terminating at Seabank 400kV Substation on Works Plan section G sheet 7 and consists of 27 pylons and the installation of conductors, insulators and fittings.

(ii) The works include installation and construction of a temporary site compound along the route of the overhead electric line, as shown on Works Plan section G sheet 3, containing welfare facilities, material lay down and parking areas.

(b) Any other development authorised by the Order, which is development within the meaning of section 32 of the 2008 Act, and more particularly the installation of a 400kV overhead electric line, in the vicinity of, and over, the River Avon as is shown hatched on Section G, Sheet 1 of the Public Rights of Navigation Plan.