{
  "url": "https://openlegislation.uk/knottingley-power-plant-order-2015/schedule-1/part-1",
  "json_url": "https://openlegislation.uk/knottingley-power-plant-order-2015/schedule-1/part-1.json",
  "legislation": "uksi/2015/680",
  "legislation_title": "The Knottingley Power Plant Order 2015",
  "legislation_url": "https://openlegislation.uk/knottingley-power-plant-order-2015",
  "path": "schedule/1/part/1",
  "kind": "part",
  "number": "1",
  "heading": "Authorised Development",
  "text": "A nationally significant infrastructure project as defined in sections 14 and 15 of the 2008 Act, comprising—\nWork No. 1 – an electricity generating station located on a site off Common Lane east of Knottingley, West Yorkshire which includes the site of a former chemical works, with a nominal net electrical output capacity of up to 1,500 MWe at ISO Conditions (with a tolerance of up to 5 per cent) fuelled by natural gas, comprising—\n(1)Work No. 1A – up to three separate generating units, with each generating unit including—\n(a)gas turbine and steam turbine within a turbine building;\n(b)one or two electricity generators within a turbine building;\n(c)heat recovery steam generator;\n(d)condenser;\n(e)main stack;\n(f)main and auxiliary transformer;\n(g)auxiliary cooling building;\n(h)condensate polisher;\n(i)oil water separator;\n(j)dosing system skid;\n(k)boiler feed pump building;\n(l)auxiliary electrical modules;\n(m)emission and ambient monitoring system;\n(n)blow down tank;\n(o)fuel gas coalescing filter;\n(p)fuel gas drains tank;\n(q)fuel gas flow measurement system;\n(r)fuel gas performance heater;\n(s)hydrogen storage;\n(t)condensate storage tank and make-up pump; and\n(u)pipe racks.\n(2)In addition to the generating units, Work No. 1A may comprise any of the following further elements—\n(a)cooling water pump house;\n(b)hybrid cooling towers;\n(c)chemical dosing station with electrical modules;\n(d)cooling water treatment;\n(e)general and unit services main control centre container;\n(f)fire protection pump house;\n(g)fire fighting and raw storage water tank;\n(h)de-mineralised water storage tank;\n(i)water treatment plant;\n(j)workshop and store building;\n(k)administration and control building;\n(l)water pre-treatment area;\n(m)water intake structure;\n(n)auxiliary boilers and associated stacks;\n(o)grease and oil storage building;\n(p)hazardous materials storage building;\n(q)emergency diesel generators and associated stacks;\n(r)gas receiving station;\n(s)gas boiler;\n(t)gas compressor building/area;\n(u)above Ground Installation/pig trap system;\n(v)gas compressor utility rooms;\n(w)water pre-treatment building; and\n(x)waste water treatment.\n(3)Work No. 1B – an electricity sub-station with gas insulated switchgear.\n(4)Associated development within the meaning of section 115(2) of the 2008 Act within the area comprised in Work No. 1A and Work No. 1B, namely—\n(a)lay down area;\n(b)car parking;\n(c)internal roadways and footpaths; and\n(d)lighting columns and lighting.\nAssociated development within the meaning of section 115(2) of the 2008 Act in connection with the Nationally Significant Infrastructure Project referred to in Work No. 1 comprising—\nWork No. 2 – area reserved for carbon capture, compression and storage and laid out as parking and open storage, including—\n(a)lay down area;\n(b)car parking;\n(c)security gatehouse;\n(d)internal roadways and footpaths; and\n(e)lighting columns and lighting.\nWork No. 3 – refurbishment of existing wharf on the Aire and Calder Navigation Canal and facilities to enable the offloading/unloading of equipment and materials from vessels moored at this wharf.\nWork No. 4 – improvements to Common Lane from the junction with Weeland Road running in an easterly direction to the western boundary of Work No. 1.\nWork No. 5 – National Grid upgrade works and new overhead line, including modification by way of alteration and repositioning of the existing 4YR Eggborough - Ferrybridge/Rochdale 400 kV overhead line route between towers 4YR001 and 4YR004 on land south and west of Kellingley Colliery, Knottingley, West Yorkshire, comprising—\n(a)construction and installation of a temporary pylon and temporary mast realignment through the temporary pylon and temporary mast of existing 400 kV overhead line, phase and earthwire conductors between pylon 4YR001 and pylon 4YR004 for the duration of construction;\n(b)construction and installation of two new transmission pylons, 4YR002R and 4YR003R, installation of new phase conductors, insulators, fittings and earthwire from pylon 4YR001 to pylon 4YR004;\n(c)removal of existing transmission pylon 4YR002 and pylon 4YR003 and the phase and earthwire conductors between pylon 4YR001 and pylon 4YR004;\n(d)installation of new connections from the new pylon 4YR003 to the electricity substation comprised in Work No. 1B;\nand in connection with such works comprised in Work No. 5, further associated development within the Order limits consisting of—\n(a)ramps, means of access and trackways;\n(b)drainage, wing walls, fencing and culverts;\n(c)works to alter the position of apparatus, including mains, sewers, drains and cables;\n(d)landscaping and other works to mitigate any adverse effects of the construction, maintenance or operation of the authorised development;\n(e)works for the benefit or protection of land affected by the authorised development;\n(f)works required for strengthening, improvement, maintenance, or reconstruction of any streets;\n(g)establishment of highway accesses, site construction compounds, crane pads, anchor points, temporary vehicle parking, construction fencing, perimeter enclosure, security fencing, construction related buildings, welfare facilities, construction lighting and haulage roads;\n(h)installation of wires, cables, ducts, pipes, earthing strips and conductors;\n(i)installation of netted scaffold or any other form of third party asset protection as is deemed necessary for the duration of construction; and\n(j)such other works, including working sites storage areas, and works of demolition, as may be necessary or expedient for the purposes of or in connection with the construction of the authorised development.\nWork No. 6 – cooling water pipelines and pumping station to convey water from the River Aire to the power plant for evaporative cooling and to convey purge water from the evaporative cooling system, treated wastewaters and rainwater to the River Aire comprising—\n(1)Work No. 6A – a water abstraction pipeline and intake screen arrangement to convey water from the river to the pumping station (Work No. 6C) including—\n(a)a passive wedge wire screen arrangement connected to the end of the pipeline at the intake point and installed to a depth of 1 m approximately above the river bed; and\n(b)a pipeline between the intake screen and the pumping station.\n(2)Work No. 6B – a water discharge pipeline to convey water from the pumping station to the river to the pumping station (Work No. 6C) including—\n(a)a dispersion device to distribute the discharged waters in the river; and\n(b)a pipeline between the dispersion device and the pumping station.\n(3)Work No. 6C – a pumping station containing a wet well sump and multiple pumps, including—\n(a)pump house building;\n(b)electrical supply and control equipment;\n(c)pipework and valves;\n(d)flow metering equipment;\n(e)power and control cables;\n(f)pump lifting equipment;\n(g)access track from Stocking Lane to Pumping Station compound; and\n(h)internal vehicular access, parking areas, pedestrian areas and landscaping, gated security fencing, close circuit television and intruder detection systems, lighting and rainwater drainage.\n(4)Work No. 6D – water abstraction and discharge pressure pipelines running in parallel from the Pumping Station to the southern boundary of Weeland Road.\n(5)Work No. 6E – water abstraction and discharge pressure pipelines running in parallel from the southern boundary of Weeland Road to the power plant site.\nThe pipelines will be installed under Weeland Road and the Aire and Calder Canal using trenchless methods. The pipelines elsewhere in Work No. 6E will be laid in trench or using trenchless methods.\nWork No. 7 – above ground installation comprising—\n(a)connection to National Grid Gas National Transmission System (NTS) No. 29 feeder pipeline including NTS Spur Pipeline and Minimum Offtake Connection (MOC);\n(b)above ground pipework;\n(c)emergency shutdown devices;\n(d)pipeline Internal Gauge (PIG) launcher for pipe inspection while maintaining normal gas flow;\n(e)gas vents;\n(f)instrumentation kiosks;\n(g)standby generator sockets;\n(h)access track;\n(i)hardstanding;\n(j)security fencing and gates; and\n(k)perimeter landscaping treatment.\nWork No. 8 – a high pressure steel pipeline up to 600 mm (Nominal Bore) in diameter for the transport of gas. Its proposed route is shown by an indicative pink line (subject to the limits of deviation in article 6) on the works plan and comprises—\n(1)Work No. 8A – high pressure steel gas pipeline running from an indicative location within Work No. 7 near Gateforth in a southerly direction to the mid-point of Birkin Road where it connects with Work No. 8B.\n(2)Work No. 8B – high pressure steel gas pipeline running from Work No. 8A in the mid-point of Birkin Road in a predominantly southerly direction crossing the Fleet to a point on the northern bank of the River Aire where it meets Work No. 8C.\n(3)Work No. 8C – a high pressure steel gas pipeline running from the northern bank of the River Aire from Work No. 8B to the southern bank of the River Aire where it connects with Work No. 8D.\n(4)Work No. 8D – a high pressure steel gas pipeline running from the southern bank of the River Aire from Work No. 8C in a south and south westerly direction to the mid-point of Beal Lane where it connects with Work No. 8E. The pipeline will be installed under Marsh Drain using trenchless methods.\n(5)Work No. 8E – a high pressure steel gas pipeline running from the mid-point of Beal Lane from Work No. 8D in a westerly direction crossing New Lane to the mid-point of Common Lane where it connects with Work No. 8F.\n(6)Work No. 8F – high pressure steel gas pipeline running from the mid-point of Common Lane from Work No. 8E to the southern boundary of Weeland Road where it connects with Work No. 8G.\n(7)Work No. 8G – a high pressure steel gas pipeline running from the southern boundary of Weeland Road from Work No. 8F to Work No. 1A. The termination point shown on the works plan is indicative only.\nThe gas pipeline will be laid using either trenched or trenchless methods except for—\n(a)all adopted highway crossings;\n(b)the River Aire crossing;\n(c)the Aire and Calder Canal crossing;\n(d)the Marsh Drain crossing (comprised in Work No. 8D); and\n(e)the Fleet crossing (comprised in Work No. 8B)\nwhere the pipeline will be installed using trenchless methods as shown on the works plan.\nWork No. 9 – alternative private track/temporary bridleway along the southern boundary of Work No. 1 from Blackburn Lane to Southmoor Lane, at least five metres wide and being gated at either end.\nIn connection with Work Nos. 1 to 9 and to the extent that they do not otherwise form part of any such work, further associated development whether or not shown on the plan referred to in the Requirements including—\n(a)bunds, embankments, landscaping, fencing and boundary treatments;\n(b)connection to the electricity network for the purpose of supply to the authorised development;\n(c)connection to the telecommunications network for the purpose of supply to the authorised development;\n(d)temporary construction site offices;\n(e)haul roads and hardstandings on site for the parking of construction vehicles plant and machinery or for the vehicles of construction workers;\n(f)construction of temporary lay down storage areas and compounds and their restoration;\n(g)water supply works, foul drainage provision, surface water management systems, channelling and culverting;\n(h)habitat creation;\n(i)temporary footpaths;\n(j)marker posts;\n(k)telecommunication cables to be laid alongside pipeline;\n(l)cathodic protection posts;\n(m)site preparation works, site clearance (including fencing, vegetation removal, demolition of existing structures and the creation of alternative footpaths);\n(n)earthworks (including soil stripping and storage, site levelling);\n(o)piling;\nand to the extent that they do not 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 works assessed by the environmental statement.",
  "extent": "E+W",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Word in Sch. 1 Pt. 1 substituted (23.7.2016) by virtue of The Knottingley Power Plant (Correction) Order 2016 (S.I. 2016/797), art. 1, Sch."
    },
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 1 Pt. 1 in force at 1.4.2015, see art. 1"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2015/680/schedule/1/part/1",
    "retrieved_at": "2026-10-28T23:42:46.530680+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}