The Thurrock Flexible Generation Plant Development Consent Order 2022

Article 2

SCHEDULE 1 AUTHORISED DEVELOPMENT

In the administrative area of Thurrock Borough Council

The construction, operation and maintenance of a nationally significant infrastructure project as defined in sections 14(1)(a) and 15 of the 2008 Act, comprising—

Work no. 1 – An electricity generating station and battery storage facility comprising—

1A – Gas fired electricity generating station with a gross rated electrical output of up to 620 MW consisting of—

(a) engine house building(s);

(b) up to 48 gas reciprocating engines;

(c) up to 48 exhaust stacks;

(d) up to 48 gas engine exhaust energy recovery systems;

(e) cooling system;

(f) air pollutant control system;

(g) lubricating oil and air pollutant control system reagent storage;

(h) a gas pre-heat, metering and pressure reduction compound; and

1B – Battery storage facility with a net rated electrical output of up to 150 MW for four hours consisting of—

(a) storage battery houses or containers;

(b) storage inverter containers;

(c) cooling system; and

1C – Facilities to serve both 1A and 1B consisting of—

(a) electrical equipment comprising 132 kV and 275 kV substations and electrical cables, switch houses and switch rooms, and auxiliary transformers;

(b) fire suppression system and firewater tank;

(c) operations, maintenance and storage buildings;

(d) control room(s);

(e) septic tank or packaged foul treatment plant;

(f) internal roads and parking;

(g) surface water drainage;

(h) surface water runoff attenuation pond(s); and

(i) landscaping.

Together with associated development within the meaning of section 115(2) of the 2008 Act—

Work no. 2 – Creation and enhancement of onshore wildlife habitat including topsoil strip, planting, construction of ditches, mounds and banks, and enhancement of retained ditches for ecological benefit; and connection of retained ditches to Work no. 1C(r) surface water drainage.

Work no. 3 – An electrical connection to Tilbury Substation comprising—

3A – 275 kV high-voltage underground cables for electricity export and lower voltage underground cables for auxiliary power supply; and

3B – Connection equipment in Tilbury Substation consisting of—

(a) civil works – equipment bases, cable trenching, fencing;

(b) electrical equipment installation – current transformers, voltage transformers, high accuracy metering equipment, circuit breakers, disconnectors and emergency shutoff;

(c) cable sealing end (where underground high voltage transmission cables join to existing overhead transmission cable) including, base, structure and terminations;

(d) blockhouse (switch room); and

(e) control and protection modifications for the re-equipped bay and integration to the site wide systems, including busbar protection.

Work no. 4 – An underground high-pressure gas pipeline between Work no. 1 and Work no. 5A and gas pipeline(s) within Work no. 1.

Work no. 5 – A connection point to the gas National Transmission System comprising—

5A – A gas connection compound with landscaping consisting of—

(a) a National Grid Minimum Offtake Connection facility containing remotely operable valve, control and instrumentation kiosk, and electrical supply kiosk;

(b) a Pipeline Inspection Gauge Trap Facility containing pipeline inspection gauge launching facility, emergency control valve, isolation valve, control and instrumentation kiosk, and electrical supply kiosk; and

5B – If required by the siting of Work no. 5A, a high-pressure underground gas pipeline between Work no. 5A(a) and the gas National Transmission System; and

5C – An access track and junction from Station Road with drainage and landscaping.

Work no. 6 – An access road and junction from Station Road with drainage and landscaping.

Work no. 7 – A water supply connection to the water main at Station Road.

Work no. 8 – Construction compound(s) and laydown area(s) south of Tilbury Loop railway.

Work no. 9 – Not used.

Work no. 10 – Not used

Work no. 11 – Not used.

Work no. 12 – An access road from the A1089 St Andrew’s Road comprising—

(a) improvements, repairs, widening, realignment and surfacing of existing private roads, verges and hardstanding areas, to make the route suitable for use by heavy goods vehicles;

and connecting to 12(a)—

(b) not used;

(c) engineering works and construction of new road sections with drainage and landscaping;

(d) engineering works and construction of new road sections with drainage and landscaping; and

(e) engineering works and construction of new road section with alterations to ditch and electrical service boxes.

Work no. 13 – A footbridge, ground works and fencing for a permissive path between Fort Road and Work no. 14.

Work no. 14 – Creation of approximately 115,775m² of common land with planting and landscaping.

Work no. 15 - An access road and junction from Fort Road to the Port of Tilbury access road, comprising engineering works and construction of new road with gates, fencing and alterations to drainage, landscape planting and alteration of services.

In connection with the construction of any of those works comprising the Nationally Significant Infrastructure Project or associated development to the extent that they do not otherwise form part of any such work, further development within the Order limits consisting of—

(a) retaining walls, embankments, barriers, parapets, drainage, fencing, culverts and lighting;

(b) site clearance (including fencing and demolition of existing structures), earthworks (including soil stripping and storage, site levelling) and remediation of contamination if present;

(c) works to alter the position of apparatus at or below ground level including mains, sewers, drains and cables and also including below ground structures associated with that apparatus;

(d) construction compounds and working sites, storage areas, temporary vehicle parking, ramps and other means of access, internal roads and tracks, perimeter enclosures, security fencing, construction-related buildings, welfare facilities, construction lighting, haulage roads and other buildings, machinery, apparatus, works and conveniences including provision of services and utilities;

(e) landscaping, planting, tree planting and erection of permanent means of enclosure and boundary facilities including fences and gates, alteration of drains and ditches;

(f) alteration of layout of streets to form temporary and permanent accesses, altering the level of any kerb, footway or verge within a street and surface treatments;

(g) diversions during construction of existing access routes and subsequent reinstatement of existing routes; and

(h) such other works, working sites, storage areas and works of demolition, as may be necessary or expedient for the purposes of, or for purposes ancillary to, the construction of the authorised development but only insofar as they do not give rise to any materially new or materially different environmental effects from those assessed in the environmental statement.