The Hornsea Three Offshore Wind Farm Order 2020

PART 1 E+W AUTHORISED DEVELOPMENT

1.  A nationally significant infrastructure project as defined in sections 14 and 15 of the 2008 Act which is located in the North Sea approximately 121 kilometres to the northeast of the north Norfolk coast and approximately 10 kilometres west of the median line between UK and Netherlands waters, comprising— E+W

Work No. 1—

(a) an offshore wind turbine generating station with a gross electrical output of over 100 megawatts comprising up to 231 wind turbine generators each fixed to the seabed by either monopile foundation, mono suction bucket foundation, jacket foundation or gravity base foundation;

(b) up to three offshore accommodation platforms fixed to the seabed within the area shown on the works plan by monopile foundation, mono suction bucket foundation, jacket foundation, or gravity base foundation and which may be connected to each other or one of the offshore substations within Work No. 2 by an unsupported bridge; and

(c) a network of cables between the wind turbine generators and between the wind turbine generators and Work No. 2 including one or more cable crossings;

and associated development within the meaning of section 115(2) (development for which development consent may be granted) of the 2008 Act comprising—

Work No. 2—

(a) up to 12 offshore type 1 substations each fixed to the seabed by either monopile foundation, mono suction bucket foundation, jacket foundation, gravity base foundation or box-type gravity base foundations and which may be connected to each other or one of the offshore accommodation platforms within Work No.1(b) by an unsupported bridge;

(b) up to four offshore type 2 substations each fixed to the seabed by either monopile foundations, mono suction bucket foundations, jacket foundations, gravity base foundations, jacket foundations, box-type gravity base foundations, pontoon gravity base 1 foundations, or pontoon gravity base 2 foundations and which may be connected to each other or one of the offshore accommodation platforms within Work No.1(b) by an unsupported bridge;

(c) a network of cables;

(d) up to six cable circuits between Work No. 2 and Work No. 3, and between Work No. 3 and Work No.5 consisting of offshore export cables along routes within the Order limits seaward of MLWS including one or more cable crossings; and

(e) up to eight temporary horizontal directional drilling exit pits;

Work No. 3—

(a) in the event that the mode of transmission is HVAC, up to four offshore HVAC booster stations fixed to the seabed within the area shown on the works plan by either monopile foundation, mono suction bucket foundation, jacket foundation, gravity base foundation, or box-type gravity base foundations;

(b) in the event that the mode of transmission is HVAC, up to six offshore subsea HVAC booster stations fixed to the seabed by either monopile foundation, mono suction bucket foundation, jacket foundation, gravity base foundation, or box-type gravity base foundations;

(c) in the event that the mode of transmission is HVAC, a network of cables between HVAC booster stations or offshore subsea HVAC booster stations; and

(d) in the event that the mode of transmission is HVAC, up to six cable circuits between Work No. 2 and Work No. 3, and between Work No. 3 and Work No.5 consisting of offshore export cables along routes within the Order limits seaward of MHWS including one or more cable crossings;

Work No. 4— a temporary work area associated with Work No.2 and Work No.3 for vessels to carry out intrusive activities alongside Work No.2 or Work No.3;

Work No. 5— landfall connection works comprising up to six cable circuits and ducts and onshore construction works within the Order limits seaward of MHWS and landward of MLWS;

Commencement Information

I1 Sch. 1 Pt. 1 para. 1 in force at 22.1.2021, see art. 1

In the county of Norfolk, districts of North Norfolk, Broadland and South Norfolk E+W

Work No. 6— onshore connection works consisting of up to six cable circuits, ducts and between Work No. 5 and Work No. 7 landward of MHWS and onshore construction works;

Work No.7— onshore connection works consisting of—

(a) up to six cable circuits and associated electrical circuit ducts between Work No. 6 [F1 and] Work No. 8;

(b) onshore construction works;

(c) up to six transition joint bays; and

(d) horizontal directional drilling launch pits;

Work No. 8— onshore connection works consisting of—

(a) up to six cable circuits and associated electrical circuit ducts to Work No. 11;

(b) onshore construction works;

(c) up to 440 link boxes; and

(d) up to 440 joint bays;

Work No. 9— onshore connection works consisting of the construction of an onshore HVAC booster station, together with onshore construction works;Work No. 10— onshore connection works consisting of an onshore HVDC/HVAC substation, including up to six cable circuits and electrical circuit ducts, and onshore construction works;Work No. 11— onshore connection works consisting of up to six cable circuits and electrical circuit ducts between Work No. 10 and Work No. 12 and onshore construction works;Work No. 12— onshore connection works consisting of up to six cable circuits and electrical circuit ducts between Work No. 11 and the Norwich Main National Grid substation, including a connection above ground and electrical engineering works within or around the National Grid substation buildings and compound, and onshore construction works;Work No. 13— a construction compound to support the construction of Work Nos. 8, 9, 10, 11, 12, 14 and 15;Work No. 14— temporary vehicular access tracks to serve Work Nos. 7, 8, 9, 10, 11, 12, 13 and 15; andWork No. 15— temporary storage areas to assist with the onshore connection works.

Textual Amendments

F1 Word in Sch. 1 Pt. 1 substituted (21.5.2021) by The Hornsea Three Offshore Wind Farm (Correction) Order 2021 (S.I. 2021/599), art. 1(2), Sch.

In connection with such Work Nos. 1 to 5 and to the extent that they do not otherwise form part of any such work, further associated development comprising such other works as may be necessary or expedient for the purposes of or in connection with the relevant part of the authorised development and which fall within the scope of the work assessed by the environmental statement, including—

(a) scour protection around the foundations of the offshore structures;

(b) cable protection measures such as the placement of rock and/or concrete mattresses, with or without frond devices;

(c) the removal of material from the seabed required for the construction of Work Nos. 1 to 5 and the disposal of up to 3,563,133 cubic metres of inert material of natural origin within the Order limits produced during construction drilling, seabed preparation for foundation works, cable installation preparation such as sandwave clearance, boulder clearance and pre-trenching and excavation of horizontal directional drilling exit pits; and

(d) removal of static fishing equipment;

and in connection with such Work Nos. 6 to 15 and to the extent that they do not otherwise form part of any such work, further associated development comprising such other works as may be necessary or expedient for the purposes of or in connection with the relevant part of the authorised development and which fall within the scope of the work assessed by the environmental statement, including—

(a) ramps, means of access and footpaths;

(b) bunds, embankments, swales, landscaping, fencing and boundary treatments;

(c) habitat creation;

(d) jointing bays, link boxes, cable ducts, cable protection, joint protection, manholes, marker posts, underground cable marker, tiles and tape, and lighting and other works associated with cable laying;

(e) works for the provision of apparatus including cabling, water and electricity supply works, foul drainage provision, surface water management systems and culverting;

(f) works to alter the position of apparatus, including mains, sewers, drains and cables;

(g) works to alter the course of, or otherwise interfere with, non-navigable rivers, streams or watercourses;

(h) landscaping and other works to mitigate any adverse effects of the construction, maintenance or operation of the authorised project;

(i) works for the benefit or protection of land affected by the authorised project;

(j) working sites in connection with the construction of the authorised project, construction lay down areas and compounds, storage compounds and their restoration.

2.  The grid coordinates for that part of the authorised project which is seaward of MHWS are specified below— E+W

Point ID	Latitude (DMS)	Longitude (DMS)	Point ID	Latitude (DMS)	Longitude (DMS)
1	52° 57′ 23.299″ N	1° 5′ 48.611″ E	64	53° 45′ 27.296″ N	2° 34′ 19.781″ E
2	52° 58′ 22.516″ N	1° 4′ 22.810″ E	65	53° 45′ 17.155″ N	2° 33′ 57.193″ E
3	52° 59′ 43.107″ N	1° 3′ 16.300″ E	66	53° 44′ 25.151″ N	2° 28′ 22.483″ E
4	53° 0′ 12.806″ N	1° 3′ 4.176″ E	67	53° 43′ 43.437″ N	2° 23′ 42.266″ E
5	53° 0′ 41.322″ N	1° 3′ 5.626″ E	68	53° 43′ 38.549″ N	2° 23′ 1.918″ E
6	53° 2′ 15.365″ N	1° 3′ 25.796″ E	69	53° 40′ 30.736″ N	2° 17′ 49.303″ E
7	53° 4′ 22.383″ N	1° 5′ 4.618″ E	70	53° 37′ 10.969″ N	2° 7′ 19.167″ E
8	53° 4′ 48.739″ N	1° 5′ 38.118″ E	71	53° 37′ 2.480″ N	2° 6′ 39.277″ E
9	53° 5′ 0.912″ N	1° 6′ 53.813″ E	72	53° 36′ 20.389″ N	2° 5′ 9.581″ E
10	53° 4′ 56.963″ N	1° 8′ 49.809″ E	73	53° 35′ 18.067″ N	2° 5′ 0.546″ E
11	53° 4′ 47.089″ N	1° 10′ 20.278″ E	74	53° 34′ 58.529″ N	2° 4′ 49.759″ E
12	53° 4′ 50.116″ N	1° 12′ 8.936″ E	75	53° 34′ 37.908″ N	2° 4′ 16.626″ E
13	53° 5′ 1.606″ N	1° 14′ 7.325″ E	76	53° 32′ 54.718″ N	2° 4′ 40.220″ E
14	53° 5′ 2.192″ N	1° 14′ 30.074″ E	77	53° 32′ 31.275″ N	2° 4′ 37.727″ E
15	53° 4′ 58.764″ N	1° 14′ 55.483″ E	78	53° 31′ 59.257″ N	2° 4′ 11.934″ E
16	53° 4′ 32.854″ N	1° 16′ 47.381″ E	79	53° 31′ 13.675″ N	2° 3′ 20.449″ E
17	53° 4′ 32.226″ N	1° 19′ 19.524″ E	80	53° 30′ 18.703″ N	2° 2′ 26.715″ E
18	53° 4′ 54.358″ N	1° 22′ 30.281″ E	81	53° 30′ 0.496″ N	2° 1′ 55.943″ E
19	53° 5′ 6.119″ N	1° 25′ 0.302″ E	82	53° 29′ 53.014″ N	2° 1′ 22.871″ E
20	53° 5′ 7.887″ N	1° 26′ 23.233″ E	83	53° 29′ 52.335″ N	2° 0′ 47.588″ E
21	53° 5′ 4.100″ N	1° 27′ 30.916″ E	84	53° 28′ 18.157″ N	1° 53′ 52.525″ E
22	53° 5′ 52.998″ N	1° 28′ 30.016″ E	85	53° 27′ 38.035″ N	1° 51′ 19.593″ E
23	53° 14′ 11.509″ N	1° 41′ 28.704″ E	86	53° 27′ 25.643″ N	1° 50′ 32.418″ E
24	53° 14′ 27.431″ N	1° 42′ 14.962″ E	87	53° 27′ 18.150″ N	1° 50′ 31.601″ E
25	53° 15′ 49.705″ N	1° 44′ 10.074″ E	88	53° 26′ 16.707″ N	1° 50′ 4.603″ E
26	53° 16′ 25.597″ N	1° 44′ 37.874″ E	89	53° 25′ 53.921″ N	1° 50′ 10.016″ E
27	53° 19′ 1.814″ N	1° 45′ 50.556″ E	90	53° 25′ 34.502″ N	1° 50′ 4.308″ E
28	53° 22′ 33.955″ N	1° 46′ 57.914″ E	91	53° 24′ 21.903″ N	1° 49′ 42.825″ E
29	53° 22′ 55.872″ N	1° 46′ 55.918″ E	92	53° 24′ 2.505″ N	1° 49′ 42.663″ E
30	53° 23′ 22.176″ N	1° 47′ 7.319″ E	93	53° 23′ 34.480″ N	1° 49′ 32.287″ E
31	53° 23′ 41.762″ N	1° 47′ 5.727″ E	94	53° 23′ 14.095″ N	1° 49′ 34.013″ E
32	53° 24′ 11.270″ N	1° 47′ 16.705″ E	95	53° 22′ 47.157″ N	1° 49′ 22.581″ E
33	53° 24′ 33.225″ N	1° 47′ 17.703″ E	96	53° 22′ 23.714″ N	1° 49′ 23.370″ E
34	53° 25′ 56.028″ N	1° 47′ 42.459″ E	97	53° 18′ 42.217″ N	1° 48′ 12.788″ E
35	53° 26′ 20.933″ N	1° 47′ 36.143″ E	98	53° 15′ 55.220″ N	1° 46′ 54.772″ E
36	53° 26′ 43.765″ N	1° 47′ 45.420″ E	99	53° 15′ 3.154″ N	1° 46′ 14.109″ E
37	53° 27′ 30.131″ N	1° 48′ 5.945″ E	100	53° 13′ 23.395″ N	1° 43′ 55.484″ E
38	53° 27′ 46.677″ N	1° 48′ 5.619″ E	101	53° 13′ 5.062″ N	1° 43′ 4.402″ E
39	53° 28′ 17.076″ N	1° 48′ 21.428″ E	102	53° 4′ 59.121″ N	1° 30′ 24.338″ E
40	53° 28′ 37.302″ N	1° 49′ 1.846″ E	103	53° 4′ 20.493″ N	1° 29′ 37.106″ E
41	53° 29′ 38.707″ N	1° 52′ 55.786″ E	104	53° 4′ 9.988″ N	1° 29′ 29.310″ E
42	53° 31′ 13.071″ N	1° 59′ 48.933″ E	105	53° 3′ 47.663″ N	1° 28′ 59.880″ E
43	53° 31′ 19.720″ N	2° 0′ 36.709″ E	106	53° 3′ 36.602″ N	1° 28′ 9.237″ E
44	53° 32′ 1.260″ N	2° 1′ 17.462″ E	107	53° 3′ 36.599″ N	1° 27′ 27.833″ E
45	53° 32′ 51.864″ N	2° 2′ 12.822″ E	108	53° 3′ 40.623″ N	1° 26′ 14.722″ E
46	53° 34′ 50.465″ N	2° 1′ 45.585″ E	109	53° 3′ 39.011″ N	1° 25′ 12.221″ E
47	53° 35′ 23.664″ N	2° 1′ 56.535″ E	110	53° 3′ 28.120″ N	1° 22′ 53.680″ E
48	53° 35′ 46.884″ N	2° 2′ 37.417″ E	111	53° 3′ 4.980″ N	1° 19′ 32.112″ E
49	53° 36′ 32.251″ N	2° 2′ 43.845″ E	112	53° 3′ 6.278″ N	1° 16′ 22.646″ E
50	53° 37′ 0.888″ N	2° 2′ 53.784″ E	113	53° 3′ 34.066″ N	1° 14′ 17.070″ E
51	53° 37′ 20.916″ N	2° 3′ 21.412″ E	114	53° 3′ 23.126″ N	1° 12′ 23.483″ E
52	53° 38′ 20.262″ N	2° 5′ 30.569″ E	115	53° 3′ 19.662″ N	1° 10′ 8.762″ E
53	53° 38′ 31.038″ N	2° 6′ 19.862″ E	116	53° 3′ 30.020″ N	1° 8′ 33.828″ E
54	53° 41′ 39.572″ N	2° 16′ 17.662″ E	117	53° 3′ 32.792″ N	1° 7′ 6.899″ E
55	53° 44′ 4.728″ N	2° 20′ 18.541″ E	118	53° 1′ 51.145″ N	1° 5′ 45.682″ E
56	53° 51′ 54.307″ N	2° 19′ 24.004″ E	119	53° 0′ 17.303″ N	1° 5′ 29.793″ E
57	53° 52′ 12.798″ N	2° 19′ 38.938″ E	120	52° 59′ 10.951″ N	1° 6′ 24.006″ E
58	53° 59′ 22.420″ N	2° 11′ 50.694″ E	121	52° 58′ 23.000″ N	1° 7′ 34.209″ E
59	53° 59′ 19.280″ N	2° 13′ 34.691″ E	122	52° 57′ 44.291″ N	1° 7′ 45.470″ E
60	53° 58′ 42.514″ N	2° 32′ 43.904″ E	123	52° 57′ 19.850″ N	1° 7′ 56.688″ E
61	54° 0′ 4.028″ N	2° 40′ 52.651″ E	124	52° 56′ 59.623″ N	1° 8′ 4.381″ E
62	53° 48′ 57.136″ N	2° 44′ 53.902″ E	125	52° 57′ 2.633″ N	1° 7′ 44.016″ E
63	53° 41′ 22.175″ N	2° 47′ 35.927″ E	126	52° 57′ 4.058″ N	1° 7′ 42.464″ E

Commencement Information

I2 Sch. 1 Pt. 1 para. 2 in force at 22.1.2021, see art. 1