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National Transmission System

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injected into the wells to dissolve the salt and create brine which was supplied to local industry for the production of bulk chemicals, such as soda ash and chlorine. The caverns created are about 300' (90 metres) in diameter and 260' (80 metres) tall (each has a volume of 339,300 m; 443,800 cu. yd.) and are used to hold compressed gas. Stublach is the largest gas storage facility in the UK, containing up to 450 million cubic metres (590 million cubic yards) of gas.
5913: 2485:, East Yorkshire comprises seven cavities at a depth of 6000' (1800 metres), which each store up to 60 million m (80 million cu. yd.) of gas at a maximum pressure of 240 bar (3500 psi). The releasable volume of gas is about half of the gross volume. During periods of low demand, gas is compressed into the cavities by electrically driven compressors and fed back onto the NTS at times of peak demand. 895:
they carried gas from southern England into Scotland until the Frigg field began production via St Fergus in September 1977. Compressor stations are provided at 40 mile (65 km) intervals along the pipelines. A third 36-inch pipeline from St Fergus (Feeder No. 12) was completed in 1978, and a fourth 40-inch (1050 mm) pipeline (Feeder No. 13) in 1982.
1822:(via Easington terminal). The onshore storage facilities are listed below. The NTS was formerly supplied by the following decommissioned LNG sites: Ambergate, Derbyshire (closed 1985); Dynevor Arms, Merthyr Tydfil (closed 2009); Glenmavis, Lanarkshire (closed 2012); Partington, Greater Manchester (closed 2012); and Avonmouth, Bristol (closed April 2016). 3030:
Companies that own part of this gas network, also known as the Local Transmission System (LTS), are known as gas transporters. Gas enters this network via the NTS through a pressure reduction station to the twelve gas distribution zones in Great Britain within eight distribution networks. The network
1530:
In addition to the Canvey Island liquefied natural gas (LNG) import terminal, further LNG storage sites were constructed from the late 1960s. These were peak-shaving facilities used to support the NTS at times of high demand, and to ensure security of gas supplies at strategic locations. When demand
2488:
Salt cavern storage facilities at Stublach were created by drilling 20" (50 cm) diameter holes through 1000' (300 metres) of rock and 820' (250 metres) of salt. This was followed by inserting metal tubes into the holes and filling the annulus with cement to create a leak-tight seal. Water was
894:
terminal in Scotland, two 36-inch (900 mm) pipelines (Feeder No. 10 and No. 11) were laid via Bathgate to Partington and Bishop Auckland to connect to the NTS in England, a total pipeline length of 595 miles (950 km). These lines were commissioned in 1976 and cost £140 million. Initially
916:
A 30-inch/24-inch extension of Feeder No. 3 runs to the west of London via Slough to Mogador, Surrey, and was commissioned in 1970. An extension of Feeder No. 5 runs from Horndon-on-the Hill, crosses the Thames at Tilbury and runs via Shorne to connect to Mogador, completing the South London ring
2514:
to prevent damage to the pipeline protective coatings. On the pipelines from St Fergus, compressor stations are provided at 40 mile (65 km) intervals; each compresses the gas from about 48 bar (700 psi) at 5 °C (41°F) to 65 bar (950 psi) at 45 °C (113°F).
882:
North Sea gas first reached Scotland in Spring 1970 at Coldstream via an extension of the Leeds-Newcastle pipeline. This pipeline was then extended to Glenmavis near Coatbridge Lanarkshire (Feeder No. 12) where a natural gas liquefication plant was constructed.
1726:(1200 psi) and 1050 mm (41¼") diameter) pipelines – the type that the NTS uses – and smaller diameter lower pressure pipelines that connect to users who burn gas for heat. The wall thickness of the high-pressure pipelines is up to 0.625 inches (18mm). 1718:
The NTS is the starting point for UK gas distribution. The pipeline system serving houses is not part of the NTS, but is part of the gas distribution network of local distribution zones; the two systems combine to form the UK's gas distribution network.
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generally operate at a pressure ratio of 1:1.4 – a balance between maintaining pressure and hence flow, and the capital and running cost of the compressors. It also ensures that the temperature rise across the compressors is not high enough to require
2069:
Gas storage is used to manage seasonal and short-term variations in the supply and demand of gas in the UK. Facilities include salt caverns and onshore LNG storage sites (see above). Since 1985, gas has been stored offshore in the depleted
1535:
was pumped from storage tanks, heated in vapourisers to a gaseous state and delivered into the NTS. When demand was low, gas was withdrawn from the NTS and liquefied by cryogenic cooling to minus 162 °C to replenish the storage tanks.
1705:
South Western Gas Board, for Bristol and Cheltenham: eleven 'bullets', 13 ft 6 in (4.1 m) diameter, 311 ft 8 in (95 m) long, total capacity 13 million cubic feet (368,000 m), pressure cycle 450-40 psi (31-2.76
1694:
In addition to LNG storage for peak-shaving, several sites had storage facilities for high pressure gas that could be released into, and pressurised from, the NTS. The following sites were operational by 1972.
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in 1965 and production started in 1967. The development of offshore natural gas fields is shown in the following table. Shore terminals were built to receive, process, blend and distribute the gas.
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Beckton gasworks, East London: eight 'bullets', 13.5 ft (4.1 m) diameter, 263 ft (80.1 m) long, capacity 5 million cubic feet (142,000 m) of gas, pressure cycle 350-100 psi (24-6.9 bar).
653:
To exploit the availability of natural gas and to provide for more widespread distribution, construction began of a major new transmission network which became the National Transmission System.
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Import of LNG from Arzew Algeria, original contract for 1 billion m (35 billion cu ft) per year of gas. Liquefication 205 tonnes/day, vapourisation 6 × 50 tonnes/hour.
920:
In addition to these distribution pipelines, in 1971 the area boards began to supply natural gas directly to major consumers. For example, a 24-inch 17 mile 'spine' pipeline was constructed to
75:
The pipeline was 18-inch (460 mm) in diameter and operated at 1,000 pounds per square inch (69 bar). The pipeline had 150 miles (240 km) of spur lines, supplying gas to area boards.
5590: 1699:
Isle of Grain, Kent: six 'bullets', 12 ft (3.6 m) diameter, 250 ft (76.2 m) long, capacity 8 million cubic feet (226,000 m) of gas, operating at up to 1,000 psi (69 bar).
3098:(20%). Agreement was reached in July 2024 for Macquarie to buy National Grid's stake, giving Macquarie full ownership in the first quarter of 2025 subject to regulatory approval. 910:(an extension to Feeder No. 2). North Wales was also connected in 1969 via a 24-inch/18-inch pipeline from Audley Cheshire to Maelor near Wrexham (an extension to Feeder No. 4). 5279: 1709:
Biggin Hill, Kent: seventeen, 42-inch (1.07 m) diameter buried pipes, 1,040 ft (317 m) long, capacity 10 million cubic feet (283,000 m), operating up to 1,000 psi (69 bar).
903:
The NTS was extended from Leeds to Newcastle upon Tyne in early 1969. This line was extended to Coldstream in spring 1970 and then to Glenmavis, near Coatbridge, Lanarkshire.
669:
manufactured gas. Feeder No. 1 was extended to Totley near Sheffield where it connected to the 18-inch methane pipeline. UK natural gas first entered the NTS in July 1968.
3766: 5397: 3517: 1960:
The composition of natural gas in the NTS in 1979 was typically as shown below. The decline of supply from the UK continental shelf since 2000 and the sharp increase in
32:
terminals situated on the coast, and to gas distribution companies that supply commercial and domestic users. It covers Great Britain, i.e. England, Wales and Scotland.
5254: 924:(designated as part of Feeder No. 6), and the West Midlands Gas Board laid six similar 'spine' mains into industrial districts of Birmingham and the Black Country. 5379: 4996: 5309: 5304: 4535: 4193: 3193: 2505:
stations and over 25 pressure regulators. Gas moves through the NTS at speeds up to 25 mph (40 km/h), depending on pressures and pipeline diameters.
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began a ten-year programme to convert all users and appliances to operate on natural gas and consequently to discontinue the manufacture of town gas at local
5346: 5201: 665:
on the Yorkshire coast in July 1967, via Feeder No. 1 across the Humber to the East Midland Gas Board's gasworks at Killingholme. It was used to enrich low
252:
was responsible for this £10 million co-operative scheme and the construction details were a joint effort of the distribution engineers of the area boards.
5939: 4287: 4148: 3652: 5525: 5006: 5857: 5447: 5274: 5452: 3745: 5389: 4215: 1965: 3150:
National Grid Gas plc, owned by Macquarie, BCI and National Grid, from 31 January 2023; renamed National Gas Transmission plc on 6 February 2023
5884: 5773: 5575: 5259: 5153: 5026: 5016: 913:
The South Western Gas Board received natural gas at the end of 1970 from a 24-inch/20-inch pipeline from Wormington to Exeter (Feeder No. 14).
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Feeder lines from the North Sea gas terminals to the spine of the NTS were laid and brought into use as the shore terminals were constructed.
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Storage facilities. These include a mixture of salt cavity storage, onshore LNG storage sites, and formerly the depleted onshore gas field at
1738:
Offshore oil and gas fields on the UK continental shelf. These deliver gas via five (formerly six) UK coastal gas terminals (five in England:
5314: 5148: 4227: 3829: 4131: 3166:(SNIP), owned by Premier Transmission and built between 1994 and 1996. The gas network in Northern Ireland is split, with one area owned by 5737: 5520: 3709: 255:
LNG had first been imported to Canvey from Louisiana in February 1959, and piped to Romford gasworks as feedstock to a reforming plant.
5837: 5226: 5038: 4186: 4078: 5826: 5442: 5412: 5299: 5001: 3894: 5889: 5048: 3147:
Transco plc, part of National Grid Transco plc, 21 October 2002 – 31 January 2023; renamed National Grid Gas plc on 10 October 2005
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Offtakes from the NTS include those supplying industrial users, local distribution networks, storage sites and export pipelines.
5640: 5091: 5635: 5371: 5329: 5216: 4949:
Companies with headquarters and/or registered office in the UK but no applicable energy operations within the country shown in
4250: 2884:(SNIP) to Ballylumford, Northern Ireland, and the two 24-inch UK-Ireland Interconnectors to Dublin, both via an NTS offtake at 1522:
The NTS now comprises over 7,600 km of welded steel gas pipelines. The Canvey to Leeds line is no longer part of the NTS.
5916: 5540: 5111: 5021: 4179: 5867: 5842: 5757: 5727: 5138: 5056: 4106: 53:(LNG) from Algeria was turned into gas at the Canvey terminal and supplied to the pipeline, providing eight of the twelve 45:
The system originated in the construction during 1962–3 of the 200-mile (320 km) high-pressure methane pipeline from
5550: 5361: 5249: 5163: 5086: 906:
The Wales Gas Board received natural gas supplies in 1969 through a 24-inch line from Churchover (Rugby) to Swansea via
5011: 4932: 3163: 2881: 1831:
The specification of gas transported within the NTS is typically within the following parameters (revised April 2023).
3212: 5696: 5422: 5191: 4983: 4953:
Ultimate parent company is not UK-based Integrated in the United States, no generation or supply activities in the UK
3101:
The changing ownership of the NTS reflects developments and corporate changes in the UK's gas and energy industries.
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Import of LNG by road tanker from Canvey, output 72 million cu ft (2.0 million m) per day.
796:
Yelverton, Diss, Stowmarket, Braintree, Chelmsford and Horndon, where it connected to the original methane pipeline
757:
Roudham Heath, Cambridge, Peters Green, Whitwell near Hitchin, where it connected to the original methane pipeline.
633:
on fuel policy in November 1967 proposed that natural gas should be immediately and more extensively exploited. The
5560: 5434: 3188: 3039:(former headquarters of the NTS). Financial transactions between gas transporters are managed by Xoserve, based in 1739: 1646:
Liquefication 10 million cu ft (280 thousand m) per day, vapourisation 2 × 75 tonnes/hour
1629:
Liquefication 10 million cu ft (280 thousand m) per day, vapourisation 8 × 75 tonnes/hour
1612:
Liquefication 100 tonnes per day, vapourisation 250 million cu ft (7.1 million m) per day
264: 5877: 5691: 4116: 3865: 2891:
Gas can be exported to Belgium and the Netherlands via the Interconnector UK and the BBL pipelines, both via the
5605: 5289: 4057: 2859: 1767: 1763: 4137: 5793: 5778: 5615: 5570: 5457: 5338: 5206: 5131: 5121: 5081: 4842: 4745: 5585: 5176: 5126: 5066: 4712: 4202: 737:
Brisley, Eye, Peterborough and Churchover near Rugby, where it connected to the original methane pipeline.
3946: 2078:, was closed in 2017 due to maintenance costs but about 20% of its capacity was reopened in October 2022. 5894: 5186: 5171: 5096: 4833: 4736: 1793: 3611:
McHugh, J (1983). "The engineering of the national transmission system of the British Gas Corporation".
5852: 5620: 5595: 4778: 4607: 1774: 1755: 871: 867: 852: 434: 411: 372: 5803: 5742: 4819: 4166: 4111: 4042: 66: 5783: 5630: 5515: 5196: 3075: 4158: 3263: 5847: 5798: 5565: 5244: 5101: 4565: 4271: 3111: 2858:
To about 71 large users such power stations and industry, either on multi-business sites such as
2074:, which initially held nine days' supply and was the UK's largest store. This facility, owned by 1808: 886:
A major set of pipelines were constructed in Scotland in preparation for arrival of gas from the
231: 215: 3503: 3420: 3373: 3350: 3246: 5701: 5462: 5356: 4753: 4433: 3713: 3055: 2602: 1759: 1743: 891: 710: 662: 480: 441: 315: 98: 5319: 4860: 4804: 4763: 4612: 3071: 1751: 1532: 621: 602: 3790: 5294: 5264: 5116: 4159:
Origins and Growth of the British Gas Plant Operations Department (including pipeline maps)
2539: 715:
Scunthorpe and Totley near Sheffield, where it connected to the original methane pipeline.
542: 8: 5872: 5580: 5530: 5031: 4809: 4702: 4486: 3386:
John Ellis 'The Origins and Growth of the British Gas Plant Operations Department', 2014.
3167: 2892: 1968:
have made the composition more variable, though still within the calorific value limits.
1812: 1797: 1747: 732: 389: 364: 357: 322: 5706: 5535: 5106: 4758: 4236: 4002: 3496: 3413: 3366: 3343: 3239: 3051: 2664: 2506: 1804: 1681: 645:. In a pilot scheme, users on Canvey Island had been converted to natural gas in 1966. 5747: 5625: 4878: 4850: 4773: 4722: 4692: 4628: 4400: 4386: 3974: 3183: 3095: 2807: 1785: 1722:
The two types of gas pipelines in the UK are: large diameter high-pressure (up to 85
463: 330: 69: 5732: 5610: 4912: 4393: 4357: 4340: 3159: 3043:, which was a department of National Grid before it became an independent company. 2874: 2633: 2071: 1957:
Parameters marked * are specified in the Gas Safety (Management) Regulations 1996.
1819: 1663:
Short-term storage, liquefication 205 tonnes/day, vapourisation 6 × 75 tonnes/hour
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in Cheshire; this terminal is now identified by National Grid as a NTS offtake to
5600: 4501: 4465: 4426: 3117: 3091: 3063: 2527: 887: 666: 512: 487: 62: 4126: 3574: 5711: 5407: 5402: 5143: 4991: 4717: 4682: 4652: 4380: 4364: 4351: 4171: 3036: 2551: 2502: 2171: 2160: 2043: 921: 580: 419: 28:
that supply gas to about forty power stations and large industrial users from
5933: 5284: 4814: 4799: 4672: 4639: 4622: 4570: 4419: 4257: 3919: 3553: 3171: 3141: 3079: 3059: 2571: 496: 46: 4855: 4768: 5681: 5505: 5239: 5234: 4922: 4707: 4657: 4407: 4375: 3067: 2555: 1789: 1777:, Lincolnshire (production was via the former Theddlethorpe terminal); and 25: 2081:
The operational onshore gas storage facilities in Britain are as follows.
1762:). Gas from the Liverpool Bay (Douglas) field formerly entered the NTS at 5752: 5686: 4687: 4677: 4521: 4496: 4481: 4439: 3105: 2511: 2498: 634: 630: 534: 342: 249: 50: 29: 2898:
To the Gas Distribution Network of Local Distribution Zones, as follows:
5211: 5076: 4927: 4794: 4697: 4662: 4602: 4594: 4560: 4516: 4444: 3895:"Closure of UK's largest gas storage site 'could mean volatile prices'" 3047: 2594: 2575: 2563: 2559: 2535: 2208: 1778: 1723: 907: 57:
with access to natural gas. The gas was initially used to manufacture
5071: 4907: 4667: 4460: 4309: 3090:
The transmission network is owned by National Gas, which is owned by
2583: 2579: 2567: 2531: 638: 296: 54: 4167:
Statement of Gas Transmission Transportation Charges Table 3 & 5
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6 × 4,000 tonnes, 2 × 1,000 tonnes, 4 × 21,000 tonnes (underground)
5862: 4647: 4617: 4550: 4506: 4346: 4264: 3264:"Origins and growth of the British Gas Plant Operations Department" 3134: 3040: 3032: 2873:
To inland storage sites (see 'Entry') and formerly to the offshore
2590: 2075: 2033: 642: 610: 58: 3031:
covers 275,000 km (171,000 mi). The LTS is managed from
927:
Most of the NTS was built from the late 1960s to the early 1980s.
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Decarbonisation measures in proposed UK electricity market reform
5061: 4937: 4917: 4902: 4575: 4555: 4413: 4370: 4277: 2863: 2547: 2543: 2482: 2005: 1985: 816:
Pickering (see note), Westwood and Little Burden near Darlington
423: 3746:"The domain nationalgrideducation.com is registered by NetNames" 3710:"UK's Avonmouth LNG storage site to stop operations on April 30" 2880:
To the Irish interconnectors; the 24-inch 85 mile (135 km)
5181: 3316:
Always under Pressure: A history of North Thames Gas since 1949
3301:
Always under Pressure: A History of North Thames Gas since 1949
3127: 2885: 2598: 2523: 2053: 2015: 1995: 1815:). The Canvey Island gas terminal ceased importing LNG in 1984. 777:
Great Ryburgh, King's Lynn, Audley and Alrewas near Lichfield.
564: 65:
processes or to enrich lean gases such as that produced by the
5788: 5510: 5351: 4511: 4491: 4328: 3535:. Beaconsfield: Scientific Press Ltd. pp. 159, 183, 224. 3400:. Beaconsfield: Scientific Press Ltd. pp. 216, 221, 222. 3123:
Transco plc, part of British Gas plc, 1994 – 17 February 1997
2867: 346: 338: 334: 3740: 3738: 1803:
Imported LNG. Gas is delivered from import terminals at the
1063:
Later (post-1983) feeder mains not described above include:
835:
Gosberton, Hatton, Old Warden, Tydd St Giles and Scunthorpe
4079:"Macquarie to acquire remaining stake in UK's National Gas" 661:
Gas from the West Sole field was first dispatched from the
629:
With the assured availability of natural gas, a government
3070:. In the North of England, local distribution is owned by 870:
which received gas from a treatment plant for the onshore
4334: 4243: 4143: 3735: 1961: 1788:
and the Easington terminal; from the Netherlands via the
4304: 1734:
Gas currently enters the NTS from a number of sources:
304: 3613:
Proceedings of the Institution of Mechanical Engineers
3436:
North Sea Heritage: the story of Britain's natural gas
1540:
NTS liquefied natural gas (LNG) sites. Gas volumes at
3468:. Beaconsfield: Scientific Press Ltd. pp. 221–2. 1826: 4031:. London: Frederick Muller Limited. pp. 46–47. 3920:"British Gas-owner reopens storage ahead of winter" 5858:Double Glazing & Conservatory Ombudsman Scheme 5662: 5526:Department for Environment, Food and Rural Affairs 3767:"GS(M)R Review: Gas Quality Specification Changes" 3731:. Beaconsfield: Scientific Press Ltd. p. 174. 3695:. Beaconsfield: Scientific Press Ltd. p. 224. 3495: 3412: 3365: 3342: 3238: 3194:United Kingdom–Ireland natural gas interconnectors 2877:field storage site via the Easington gas terminal. 3677:. Beaconfield: Scientific Press Ltd. p. 162. 3641:. Beaconfield: Scientific Press Ltd. p. 183. 1054:Canvey Easington Bacton Theddlethorpe St. Fergus 1040:Canvey Easington Bacton Theddlethorpe St. Fergus 1026:Canvey Easington Bacton Theddlethorpe St. Fergus 5931: 4201: 3830:"Perenco Bacton & Dimlington Infrastructure" 3162:is not part of the NTS and gets its gas via the 4049: 3854:. London: Frederick Muller Limited. p. 14. 3483:. London: Frederick Muller Ltd. pp. 39–47. 5774:Centre for Renewable Energy Systems Technology 5576:Climate Change and Sustainable Energy Act 2006 877: 271:UK sources of offshore natural gas, 1967–1985 5488: 4187: 2837:1 Rolls-Royce RB211, 1 Rolls-Royce Maxi Avon 917:main which became operational in early 1972. 656: 1689: 5940:Natural gas pipelines in the United Kingdom 5521:Department for Energy Security and Net Zero 5154:Timeline of the electricity supply industry 4043:"Gas Transportation Charges Tables 3&5" 3791:"Gas Safety (Management) Regulations, 1996" 3025: 1240:Cambridge (via Huntingdon and New Wimpole) 5838:Association for the Conservation of Energy 4194: 4180: 3078:; and in Southern England and Scotland by 2085:Onshore gas storage facilities in Britain 1634:Dynevor Arms, (Hirwaun) Rhondda Cynon Taf 4132:Ownership of the gas distribution network 3944: 3726: 3690: 3672: 3636: 3530: 3493: 3463: 3410: 3395: 3363: 3340: 3236: 3108:and area boards, 1962 – 31 December 1972 1784:Continental Europe. From Norway via the 49:(on the Essex coast) to Leeds. Imported 5825: 5641:United Kingdom Climate Change Programme 4026: 3892: 3849: 3478: 5932: 5217:United Kingdom Atomic Energy Authority 4127:Pipeline projects at National Grid plc 3997: 3995: 3888: 3886: 3785: 3783: 3610: 3606: 3604: 3433: 3313: 3298: 3283: 2903:NTS Gas Distribution Network offtakes 2492: 2064: 1213:Stanford Le Hope (near Canvey Island) 1067:NTS Feeder pipelines built after 1983 1012:Canvey Easington Bacton Theddlethorpe 998:Canvey Easington Bacton Theddlethorpe 5824: 5661: 5541:Office of Gas and Electricity Markets 5487: 5112:Isle of Man to England Interconnector 4971: 4213: 4175: 3704: 3702: 3686: 3684: 3632: 3630: 3628: 3626: 3602: 3600: 3598: 3596: 3594: 3592: 3590: 3588: 3586: 3584: 3569: 3567: 3548: 3546: 3544: 3542: 3498:A History of the British Gas Industry 3459: 3457: 3455: 3453: 3451: 3449: 3447: 3445: 3415:A History of the British Gas Industry 3368:A History of the British Gas Industry 3345:A History of the British Gas Industry 3241:A History of the British Gas Industry 2448:Northwich, Cheshire West and Chester 2413:Northwich, Cheshire West and Chester 1796:pipeline, both of the latter through 5868:Energy efficiency in British housing 5843:British Energy Efficiency Federation 5758:Utilities Intermediaries Association 5728:Association for Decentralised Energy 5139:New Electricity Trading Arrangements 5057:Association of Electricity Producers 4856:Scottish Hydro Electric Transmission 4122:Instantaneous gas flows into the NTS 4055: 3575:"Methane gas terminal Canvey Island" 3502:. Oxford University Press. pp.  3419:. Oxford University Press. pp.  3372:. Oxford University Press. pp.  3349:. Oxford University Press. pp.  3258: 3256: 3245:. Oxford University Press. pp.  2481:The salt cavity storage facility at 1680:Vapourisation 58 million m/day. See 1525: 898: 676:Initial feeder pipelines of the NTS 5362:Renewable Transport Fuel Obligation 4058:"National Gas leaves National Grid" 3992: 3883: 3780: 3318:. Macmillan. pp. 76 & 108. 3154: 3144:, 23 October 2000 – 21 October 2002 2866:or to individual companies such as 648: 13: 5012:Confederation of UK Coal Producers 4972: 4933:United Downs Deep Geothermal Power 4107:Gas Transmission System Operations 4020: 3699: 3681: 3623: 3581: 3564: 3539: 3442: 3331:, Cmnd. 3438, HMSO, London (1967). 3303:. Macmillan. pp. 63 & 74. 3164:Scotland-Northern Ireland pipeline 2882:Scotland-Northern Ireland Pipeline 1888:Total sulphur content (including H 263:Natural gas was discovered on the 14: 5951: 5697:Centre for Alternative Technology 5192:Nuclear Decommissioning Authority 4138:Society of British Gas Industries 4100: 3292: 3253: 3230: 3114:, 1 January 1973 – 24 August 1986 2308:Byley, Cheshire West and Chester 2111:Maximum production rate (10 m/d) 1972:Composition of natural gas, 1979 1827:Gas specification and composition 1620:4 × 20,000 tonnes (4 × 49,800 m) 258: 5911: 5561:Carbon Emission Reduction Target 5280:Natural gas-fired power stations 4149:GCSE PDF factsheet about the NTS 3288:. Edward Arnold Ltd. p. 43. 3189:Central Area Transmission System 2610:Initial NTS compressor stations 2108:Maximum injection rate (10 m/d) 1966:2021 natural gas supplier crisis 1835:Specification of gas in the NTS 125:Slough (from Reading spur line) 5878:Energy Saving Trust Recommended 5692:Campaign against Climate Change 4112:Map of the NTS at National Grid 4071: 4056:Bose, Kiran (31 January 2023). 4035: 3967: 3938: 3912: 3858: 3843: 3822: 3801: 3759: 3720: 3666: 3653:"Testing of redundant LNG tank" 3645: 3524: 3510: 3487: 3472: 3427: 3404: 3389: 3380: 2236:Hill Top Farm (with extension) 1758:terminal; and one in Scotland: 853:Viking (Theddlethorpe) terminal 61:, either as a feedstock in gas 5663:Non-governmental organisations 5606:Energy performance certificate 5290:North Sea Transition Authority 3947:"Gas storage in Great Britain" 3893:Vaughan, Adam (20 June 2017). 3357: 3334: 3322: 3307: 3277: 3205: 1940:Incomplete combustion factor* 1603:20,000 tonnes (2 × 47,800 m), 397:Shell/Esso, Amoco/Gas Council 1: 5794:Oil Depletion Analysis Centre 5779:Energy Technologies Institute 5616:Low Carbon Building Programme 5458:North Seas Energy Cooperation 5207:Office for Nuclear Regulation 4713:TotalEnergies Gas & Power 4214: 3866:"2023 Gas Ten Year Statement" 3809:"Shell Bacton Infrastructure" 3199: 2518:Compressor stations include: 2387:Depleted gas / oil reservoir 2300:2001 (mothballed July 2018) 1586:5,000 tonnes (1 × 12,000 m) 103:Bromley/East Greenwich 'Tee' 5586:CRC Energy Efficiency Scheme 5398:Hydroelectric power stations 5270:National Transmission System 5177:Franco-British Nuclear Forum 4203:Energy in the United Kingdom 3494:Williams, Trevor I. (1981). 3411:Williams, Trevor I. (1981). 3364:Williams, Trevor I. (1981). 3341:Williams, Trevor I. (1981). 3237:Williams, Trevor I. (1981). 3085: 2806:2 Rolls-Royce Maxi Avons, 3 2128:Aldborough, East Yorkshire 1713: 1671:4 × 50,000 m, 4 × 190,000 m 1657:1974–1980; 1978, 1979, 1983 931:Growth of the NTS 1966–1983 79:Methane pipeline spur lines 18:National Transmission System 7: 5895:National Home Energy Rating 5738:Energy Networks Association 5448:List of offshore wind farms 5187:National Nuclear Laboratory 5172:Advanced Gas-cooled Reactor 5097:Grid Trade Master Agreement 4003:"Storengy UK Stublach site" 3975:"GB Gas Storage Facilities" 3177: 3074:; in the Wales and West by 2849: 2402:FM07, FM09 (Barton Stacey) 2274:Warmingham, Cheshire East 2105:Gas storage volume (10 m) 1880:Hydrogen sulphide content* 1773:Onshore gas fields such as 1768:Connah's Quay power station 878:Feeder pipelines – Scotland 10: 5956: 5853:Code for Sustainable Homes 5621:Non-Fossil Fuel Obligation 5596:Display Energy Certificate 5453:List of onshore wind farms 4820:Wales & West Utilities 4779:Western Power Distribution 4608:Engie Energy International 3438:. British Gas. p. 27. 3092:Macquarie Asset Management 2239:Warmingham, Cheshire East 2202:Warmingham, Cheshire East 1840:Content or characteristic 1552:LNG storage tank capacity 942:Operational gas terminals 866:The No. 6 feeder runs via 657:Feeder pipelines – England 40: 35: 5907: 5833: 5820: 5804:UK Energy Research Centre 5766: 5743:Energy Retail Association 5720: 5672: 5668: 5657: 5549: 5498: 5494: 5489:Government and regulation 5483: 5433: 5421: 5388: 5380:Geothermal power stations 5370: 5337: 5328: 5225: 5162: 5087:Energy switching services 5047: 4997:Coal-fired power stations 4982: 4978: 4967: 4946: 4895: 4869: 4841: 4832: 4787: 4744: 4735: 4638: 4593: 4584: 4543: 4534: 4474: 4453: 4318: 4297: 4286: 4226: 4222: 4209: 4027:Cassidy, Richard (1979). 3850:Cassidy, Richard (1979). 3753:nationalgrideducation.com 3479:Cassidy, Richard (1979). 3284:Wilson, D. Scott (1969). 3130:, 17 February 1997 – 1999 3046:For retail distribution, 1867:<-10 °C @ 85barg 1690:High-pressure gas storage 1467: 1403: 1367: 1317: 1233: 1195: 1145: 1109: 1085: 161: 97: 5885:Greenhouse gas emissions 5784:Met Office Hadley Centre 5631:Renewable Heat Incentive 5571:Climate Change Agreement 5516:Climate Change Committee 5305:Oil-fired power stations 5260:Greenhouse gas emissions 5197:Nuclear Liabilities Fund 5067:East–West Interconnector 5017:Greenhouse gas emissions 3945:Le Fevre, Chris (2013). 3531:Tiratsoo, E. N. (1972). 3434:Wilson, D Scott (1974). 3314:Falcus, Malcolm (1988). 3299:Falkus, Malcolm (1988). 3137:, 1999 – 23 October 2000 3076:Wales and West Utilities 3026:Gas distribution network 2343:Hornsea, East Yorkshire 1729: 984:Canvey Easington Bacton 970:Canvey Easington Bacton 771:154 miles (246 km) 751:107 miles (171 km) 729:123 miles (197 km) 5848:Close the Door campaign 5799:Sunbury Research Centre 5566:Climate Change Act 2008 5245:Forties pipeline system 5102:Gridlink Interconnector 4117:Detailed map of the NTS 3774:www.gasgovernance.co.uk 3727:Tiratsoo, E.N. (1972). 3691:Tiratsoo, E.N. (1972). 3673:Tiratsoo, E.N. (1972). 3637:Tiratsoo, E.N. (1972). 3464:Tiratsoo, E.N. (1972). 3396:Tiratsoo, E.N. (1972). 3286:The Modern Gas Industry 3120:, 24 August 1986 – 1994 3112:British Gas Corporation 2911:Number of LDZ offtakes 2378:Alton,  Hampshire 2176:Depleted gas reservoir 2114:Supply duration (days) 1916:Carbon dioxide content 1792:; from Belgium via the 1600:Glenmavis, Lanarkshire 1572:1959, 1964, 1968, 1975 810:91 miles (146 km) 707:90 miles (144 km) 5702:National Energy Action 5463:Wind power in Scotland 5357:Renewable Fuels Agency 5347:Biofuel power stations 5202:Nuclear power stations 4769:SSE Power Distribution 4754:Electricity North West 4434:Rockhopper Exploration 4153:www.energynetworks.org 3795:www.legislation.gov.uk 1848:Gross calorific value 1583:Ambergate, Derbyshire 1346:Deeside power station 1152:Longtown via Bathgate 807:30-inch (750 mm) 726:36-inch (900 mm) 704:24-inch (600 mm) 435:Viking (Theddlethorpe) 5636:Renewables Obligation 5320:Petroleum Revenue Tax 4805:Northern Gas Networks 4613:Horizon Nuclear Power 3140:Transco plc, part of 3133:Transco plc, part of 3126:Transco plc, part of 3072:Northern Gas Networks 2823:2 Rolls-Royce RB211s 2497:There are 25 (mostly 2451:53°14'03"N 2°26'04"W 2416:53°14'03"N 2°26'04"W 2381:51°11'39"N 1°00'37"W 2346:53°56'48"N 0°12'28"W 2311:53°13'37"N 2°24'18"W 2277:53°08'49"N 2°26'44"W 2242:53°08'48"N 2°26'45"W 2205:53°08'48"N 2°26'45"W 2168:53°33'11"N 0°57'31"W 2131:53°48'50"N 0°05'16"W 1872:Hydrocarbon dewpoint 1764:Burton Point terminal 1617:Partington, Cheshire 1566:Canvey Island, Essex 1533:liquefied natural gas 922:ICI Ltd at Billingham 718:July 1967/ July 1968 585:Oil + associated gas 561:Oil + associated gas 539:Oil + associated gas 468:Oil + associated gas 282:Licensee or operator 51:liquefied natural gas 16:The United Kingdom's 5295:Offshore Energies UK 5265:Hydrocarbon Oil Duty 5117:Moyle Interconnector 5039:Open-pit coal mining 4162:www.oldflames.org.uk 3271:www.oldflames.org.uk 3213:"Network route maps" 3050:owns the network in 2792:4 Rolls-Royce Avons 2778:3 Rolls-Royce Avons 2764:4 Rolls-Royce Avons 2750:4 Rolls-Royce Avons 2722:2 Rolls-Royce Avons 2708:4 Rolls-Royce Avons 2694:2 Rolls-Royce Avons 2680:2 Rolls-Royce Avons 2649:3 Rolls-Royce Avons 2384:Humbly Grove Energy 2165:Hatfield, Doncaster 1744:Easington/Dimlington 1668:Isle of Grain, Kent 945:Compressor stations 265:UK continental shelf 24:) is the network of 5873:Energy Saving Trust 5827:Energy conservation 5581:Climate Change Levy 5531:Energy Saving Trust 5443:Offshore wind power 5082:Electricity billing 5032:National Coal Board 5007:Coal mining regions 4810:Phoenix Natural Gas 4703:Phoenix Natural Gas 4487:Amec Foster Wheeler 4029:Gas: Natural Energy 3870:www.nationalgas.com 3852:Gas: Natural Energy 3554:"Whessoe LNG tanks" 3481:Gas: Natural Energy 3168:Phoenix Natural Gas 2908:National Grid area 2904: 2611: 2507:Compressor stations 2493:Compressor stations 2445:Stublach 1 & 2 2086: 2065:Natural gas storage 2025:Other hydrocarbons 1973: 1964:imports during the 1836: 1807:and Milford Haven ( 1798:Bacton gas terminal 1651:Avonmouth, Bristol 1545: 1542:standard conditions 1357:Goxhill and Hatton 1068: 932: 677: 272: 80: 5707:Stop Climate Chaos 5536:Environment Agency 5310:Oil infrastructure 5275:Natural gas fields 5255:Gas infrastructure 5107:HVDC Cross-Channel 4861:SP Energy Networks 4764:SP Energy Networks 4759:Northern Powergrid 4140:, archived in 2012 4134:, archived in 2008 3837:www.perenco-uk.com 3716:on 20 August 2016. 3518:"NTS feeder mains" 3052:North West England 2902: 2808:Rolls-Royce RB211s 2621:Power rating (MW) 2609: 2534:, Nether Kellett, 2410:Stublach 1   2117:Connection to NTS 2084: 1971: 1900:Hydrogen content* 1859:47.2 – 51.41 MJ/m 1834: 1682:Grain LNG Terminal 1637:2 × 20,000 tonnes 1539: 1210:Stapleford Tawney 1081:Year commissioned 1066: 930: 890:in 1977. From the 711:Easington terminal 675: 663:Easington terminal 449:Amoco/Gas Council 373:Phillips Petroleum 288:First gas onshore 270: 90:Diameter (inches) 78: 5927: 5926: 5903: 5902: 5816: 5815: 5812: 5811: 5748:Green Power Forum 5653: 5652: 5649: 5648: 5626:Planning Act 2008 5479: 5478: 5475: 5474: 5471: 5470: 5092:Green electricity 4963: 4962: 4959: 4958: 4954: 4891: 4890: 4887: 4886: 4828: 4827: 4774:UK Power Networks 4731: 4730: 4723:Utility Warehouse 4693:Outfox the Market 4629:Vedanta Resources 4530: 4529: 4401:Melrose Resources 4394:JKX Oil & Gas 4387:Hardy Oil and Gas 3926:. 28 October 2022 3217:National Grid Gas 3184:Humber Gas Tunnel 3170:and the other by 3142:Lattice Group plc 3096:National Grid plc 3023: 3022: 2847: 2846: 2634:Rolls-Royce Avons 2479: 2478: 2340:Hornsea / Atwick 2062: 2061: 1955: 1954: 1927:<5.0% (molar) 1924:Nitrogen content 1851:37.0 – 44.5 MJ/m 1794:Interconnector UK 1786:Langeled pipeline 1687: 1686: 1526:LNG storage sites 1520: 1519: 1061: 1060: 899:Growth of the NTS 872:Lockton gas field 864: 863: 627: 626: 611:Hydrocarbons (GB) 607:Gas + condensate 246: 245: 70:coal gasification 5947: 5915: 5914: 5822: 5821: 5733:Energy Institute 5670: 5669: 5659: 5658: 5611:Fossil Fuel Levy 5496: 5495: 5485: 5484: 5390:Hydroelectricity 5335: 5334: 4980: 4979: 4969: 4968: 4948: 4913:Aquamarine Power 4839: 4838: 4742: 4741: 4591: 4590: 4541: 4540: 4358:Desire Petroleum 4341:Capricorn Energy 4295: 4294: 4224: 4223: 4211: 4210: 4196: 4189: 4182: 4173: 4172: 4151:, archived from 4095: 4094: 4092: 4090: 4075: 4069: 4068: 4066: 4064: 4053: 4047: 4046: 4039: 4033: 4032: 4024: 4018: 4017: 4015: 4013: 3999: 3990: 3989: 3987: 3985: 3971: 3965: 3964: 3962: 3960: 3951: 3942: 3936: 3935: 3933: 3931: 3916: 3910: 3909: 3907: 3905: 3890: 3881: 3880: 3878: 3876: 3862: 3856: 3855: 3847: 3841: 3840: 3834: 3826: 3820: 3819: 3813: 3805: 3799: 3798: 3787: 3778: 3777: 3771: 3763: 3757: 3756: 3750: 3742: 3733: 3732: 3724: 3718: 3717: 3712:. Archived from 3706: 3697: 3696: 3688: 3679: 3678: 3670: 3664: 3663: 3657: 3649: 3643: 3642: 3634: 3621: 3620: 3608: 3579: 3578: 3571: 3562: 3561: 3550: 3537: 3536: 3528: 3522: 3521: 3514: 3508: 3507: 3501: 3491: 3485: 3484: 3476: 3470: 3469: 3461: 3440: 3439: 3431: 3425: 3424: 3418: 3408: 3402: 3401: 3393: 3387: 3384: 3378: 3377: 3371: 3361: 3355: 3354: 3348: 3338: 3332: 3326: 3320: 3319: 3311: 3305: 3304: 3296: 3290: 3289: 3281: 3275: 3274: 3268: 3260: 3251: 3250: 3244: 3234: 3228: 3227: 3225: 3223: 3209: 3160:Northern Ireland 3155:Northern Ireland 2905: 2901: 2733:Bishop Auckland 2612: 2608: 2271:Hole House Farm 2134:SSEHL / Equinor 2087: 2083: 1974: 1970: 1908:Oxygen content* 1837: 1833: 1623:1972 1972, 1974 1546: 1538: 1446:Mickle Trafford 1432:Silk Willoughby 1103:Stallingborough 1069: 1065: 933: 929: 793:Bacton terminal 774:Bacton terminal 754:Bacton terminal 678: 674: 649:Building the NTS 543:Occidental group 273: 269: 81: 77: 5955: 5954: 5950: 5949: 5948: 5946: 5945: 5944: 5930: 5929: 5928: 5923: 5912: 5899: 5829: 5808: 5762: 5721:Industry bodies 5716: 5675:pressure groups 5674: 5664: 5645: 5601:Energy Act 2013 5552: 5551:Legislation and 5545: 5490: 5467: 5429: 5417: 5384: 5366: 5324: 5221: 5158: 5132:Reserve Service 5043: 4974: 4955: 4942: 4883: 4865: 4824: 4783: 4727: 4634: 4586: 4580: 4526: 4502:John Wood Group 4470: 4466:Murco Petroleum 4449: 4427:Regal Petroleum 4320: 4314: 4289: 4282: 4218: 4205: 4200: 4103: 4098: 4088: 4086: 4077: 4076: 4072: 4062: 4060: 4054: 4050: 4041: 4040: 4036: 4025: 4021: 4011: 4009: 4001: 4000: 3993: 3983: 3981: 3973: 3972: 3968: 3958: 3956: 3949: 3943: 3939: 3929: 3927: 3918: 3917: 3913: 3903: 3901: 3891: 3884: 3874: 3872: 3864: 3863: 3859: 3848: 3844: 3832: 3828: 3827: 3823: 3816:www.shell.co.uk 3811: 3807: 3806: 3802: 3789: 3788: 3781: 3769: 3765: 3764: 3760: 3748: 3744: 3743: 3736: 3725: 3721: 3708: 3707: 3700: 3689: 3682: 3671: 3667: 3655: 3651: 3650: 3646: 3635: 3624: 3609: 3582: 3573: 3572: 3565: 3552: 3551: 3540: 3529: 3525: 3516: 3515: 3511: 3492: 3488: 3477: 3473: 3462: 3443: 3432: 3428: 3409: 3405: 3394: 3390: 3385: 3381: 3362: 3358: 3339: 3335: 3327: 3323: 3312: 3308: 3297: 3293: 3282: 3278: 3266: 3262: 3261: 3254: 3235: 3231: 3221: 3219: 3211: 3210: 3206: 3202: 3180: 3157: 3118:British Gas plc 3088: 3064:East of England 3028: 2893:Bacton terminal 2852: 2586:and Wormington. 2528:Bishop Auckland 2495: 2072:Rough gas field 2067: 1891: 1875:<-2 °C 1864:Water dewpoint 1829: 1754:and the former 1752:Rampside Barrow 1732: 1716: 1692: 1558:Decommissioned 1528: 1513:Nether Kellett 1485:Matching Green 1283:Little Barford 1269:Matching Green 1259:Matching Green 901: 888:Frigg gas field 880: 733:Bacton terminal 667:calorific value 659: 651: 615:September 1974 526:September 1977 504:September 1977 477:September 1977 345:, Arpet Group, 309:September 1965 291:Shore terminal 261: 137:East Greenwich 93:Length (miles) 55:area gas boards 43: 38: 12: 11: 5: 5953: 5943: 5942: 5925: 5924: 5922: 5921: 5908: 5905: 5904: 5901: 5900: 5898: 5897: 5892: 5887: 5882: 5881: 5880: 5870: 5865: 5860: 5855: 5850: 5845: 5840: 5834: 5831: 5830: 5818: 5817: 5814: 5813: 5810: 5809: 5807: 5806: 5801: 5796: 5791: 5786: 5781: 5776: 5770: 5768: 5764: 5763: 5761: 5760: 5755: 5750: 5745: 5740: 5735: 5730: 5724: 5722: 5718: 5717: 5715: 5714: 5712:Tyndall Centre 5709: 5704: 5699: 5694: 5689: 5684: 5678: 5676: 5666: 5665: 5655: 5654: 5651: 5650: 5647: 5646: 5644: 5643: 5638: 5633: 5628: 5623: 5618: 5613: 5608: 5603: 5598: 5593: 5588: 5583: 5578: 5573: 5568: 5563: 5557: 5555: 5547: 5546: 5544: 5543: 5538: 5533: 5528: 5523: 5518: 5513: 5508: 5502: 5500: 5492: 5491: 5481: 5480: 5477: 5476: 5473: 5472: 5469: 5468: 5466: 5465: 5460: 5455: 5450: 5445: 5439: 5437: 5431: 5430: 5427: 5425: 5419: 5418: 5416: 5415: 5410: 5408:Severn Barrage 5405: 5403:Mersey Barrage 5400: 5394: 5392: 5386: 5385: 5383: 5382: 5376: 5374: 5368: 5367: 5365: 5364: 5359: 5354: 5349: 5343: 5341: 5332: 5326: 5325: 5323: 5322: 5317: 5315:Oil refineries 5312: 5307: 5302: 5297: 5292: 5287: 5282: 5277: 5272: 5267: 5262: 5257: 5252: 5247: 5242: 5237: 5231: 5229: 5223: 5222: 5220: 5219: 5214: 5209: 5204: 5199: 5194: 5189: 5184: 5179: 5174: 5168: 5166: 5160: 5159: 5157: 5156: 5151: 5149:Power stations 5146: 5144:North Sea Link 5141: 5136: 5135: 5134: 5129: 5119: 5114: 5109: 5104: 5099: 5094: 5089: 5084: 5079: 5074: 5069: 5064: 5059: 5053: 5051: 5045: 5044: 5042: 5041: 5036: 5035: 5034: 5029: 5027:miners' strike 5019: 5014: 5009: 5004: 4999: 4994: 4992:Coal Authority 4988: 4986: 4976: 4975: 4973:Energy sources 4965: 4964: 4961: 4960: 4957: 4956: 4947: 4944: 4943: 4941: 4940: 4935: 4930: 4925: 4920: 4915: 4910: 4905: 4899: 4897: 4893: 4892: 4889: 4888: 4885: 4884: 4882: 4881: 4875: 4873: 4867: 4866: 4864: 4863: 4858: 4853: 4847: 4845: 4836: 4830: 4829: 4826: 4825: 4823: 4822: 4817: 4812: 4807: 4802: 4797: 4791: 4789: 4785: 4784: 4782: 4781: 4776: 4771: 4766: 4761: 4756: 4750: 4748: 4739: 4733: 4732: 4729: 4728: 4726: 4725: 4720: 4718:Utilita Energy 4715: 4710: 4705: 4700: 4695: 4690: 4685: 4683:Octopus Energy 4680: 4675: 4670: 4665: 4660: 4655: 4653:Bristol Energy 4650: 4644: 4642: 4636: 4635: 4633: 4632: 4625: 4620: 4615: 4610: 4605: 4599: 4597: 4588: 4582: 4581: 4579: 4578: 4573: 4568: 4563: 4558: 4553: 4547: 4545: 4538: 4532: 4531: 4528: 4527: 4525: 4524: 4519: 4514: 4509: 4504: 4499: 4494: 4489: 4484: 4478: 4476: 4472: 4471: 4469: 4468: 4463: 4457: 4455: 4451: 4450: 4448: 4447: 4442: 4437: 4430: 4423: 4416: 4411: 4404: 4397: 4390: 4383: 4381:Harbour Energy 4378: 4373: 4368: 4365:Emerald Energy 4361: 4354: 4352:Dana Petroleum 4349: 4344: 4337: 4332: 4324: 4322: 4321:and production 4316: 4315: 4313: 4312: 4307: 4301: 4299: 4292: 4284: 4283: 4281: 4280: 4275: 4268: 4261: 4254: 4247: 4240: 4237:Anglo American 4232: 4230: 4220: 4219: 4207: 4206: 4199: 4198: 4191: 4184: 4176: 4170: 4169: 4164: 4156: 4146: 4141: 4135: 4129: 4124: 4119: 4114: 4109: 4102: 4101:External links 4099: 4097: 4096: 4085:. 26 July 2024 4070: 4048: 4034: 4019: 3991: 3966: 3954:Oxford Energy 3937: 3911: 3882: 3857: 3842: 3821: 3800: 3779: 3758: 3734: 3719: 3698: 3680: 3665: 3660:www.icheme.org 3644: 3622: 3580: 3563: 3538: 3523: 3509: 3486: 3471: 3441: 3426: 3403: 3388: 3379: 3356: 3333: 3321: 3306: 3291: 3276: 3252: 3229: 3203: 3201: 3198: 3197: 3196: 3191: 3186: 3179: 3176: 3156: 3153: 3152: 3151: 3148: 3145: 3138: 3131: 3124: 3121: 3115: 3109: 3087: 3084: 3037:Leicestershire 3027: 3024: 3021: 3020: 3015: 3009: 3008: 3005: 3001: 3000: 2997: 2993: 2992: 2989: 2985: 2984: 2981: 2977: 2976: 2973: 2969: 2968: 2965: 2961: 2960: 2957: 2953: 2952: 2949: 2948:West Midlands 2945: 2944: 2941: 2940:East Midlands 2937: 2936: 2933: 2929: 2928: 2925: 2921: 2920: 2917: 2913: 2912: 2909: 2900: 2899: 2896: 2889: 2878: 2871: 2851: 2848: 2845: 2844: 2841: 2838: 2835: 2831: 2830: 2827: 2824: 2821: 2817: 2816: 2813: 2810: 2804: 2800: 2799: 2796: 2793: 2790: 2786: 2785: 2782: 2779: 2776: 2772: 2771: 2768: 2765: 2762: 2758: 2757: 2754: 2751: 2748: 2744: 2743: 2740: 2737: 2734: 2730: 2729: 2726: 2723: 2720: 2716: 2715: 2712: 2709: 2706: 2702: 2701: 2698: 2695: 2692: 2688: 2687: 2684: 2681: 2678: 2674: 2673: 2670: 2667: 2661: 2657: 2656: 2653: 2650: 2647: 2643: 2642: 2639: 2636: 2630: 2626: 2625: 2622: 2619: 2616: 2607: 2606: 2593:, Avonbridge, 2587: 2494: 2491: 2477: 2476: 2473: 2470: 2467: 2464: 2461: 2458: 2455: 2452: 2449: 2446: 2442: 2441: 2438: 2435: 2432: 2429: 2426: 2423: 2420: 2417: 2414: 2411: 2407: 2406: 2403: 2400: 2397: 2394: 2391: 2388: 2385: 2382: 2379: 2376: 2372: 2371: 2368: 2365: 2362: 2359: 2356: 2353: 2350: 2347: 2344: 2341: 2337: 2336: 2333: 2330: 2327: 2324: 2321: 2318: 2315: 2314:Uniper UK Ltd 2312: 2309: 2306: 2302: 2301: 2298: 2295: 2292: 2289: 2287: 2284: 2281: 2278: 2275: 2272: 2268: 2267: 2264: 2261: 2258: 2255: 2252: 2249: 2246: 2243: 2240: 2237: 2233: 2232: 2229: 2226: 2223: 2220: 2217: 2214: 2211: 2206: 2203: 2200: 2199:Hill Top Farm 2196: 2195: 2192: 2189: 2186: 2183: 2180: 2177: 2174: 2172:Scottish Power 2169: 2166: 2163: 2157: 2156: 2153: 2150: 2147: 2144: 2141: 2138: 2135: 2132: 2129: 2126: 2122: 2121: 2118: 2115: 2112: 2109: 2106: 2103: 2100: 2097: 2094: 2091: 2066: 2063: 2060: 2059: 2056: 2050: 2049: 2046: 2044:Carbon dioxide 2040: 2039: 2036: 2030: 2029: 2026: 2022: 2021: 2018: 2012: 2011: 2008: 2002: 2001: 1998: 1992: 1991: 1988: 1982: 1981: 1980:Volume % 1978: 1953: 1952: 1949: 1945: 1944: 1941: 1937: 1936: 1933: 1929: 1928: 1925: 1921: 1920: 1919:≤2.0% (molar) 1917: 1913: 1912: 1911:≤0.2% (molar) 1909: 1905: 1904: 1903:≤0.1% (molar) 1901: 1897: 1896: 1895:≤50 mg/m 1893: 1889: 1885: 1884: 1881: 1877: 1876: 1873: 1869: 1868: 1865: 1861: 1860: 1857: 1856:Wobbe number* 1853: 1852: 1849: 1845: 1844: 1841: 1828: 1825: 1824: 1823: 1816: 1801: 1782: 1771: 1731: 1728: 1715: 1712: 1711: 1710: 1707: 1703: 1700: 1691: 1688: 1685: 1684: 1678: 1675: 1672: 1669: 1665: 1664: 1661: 1658: 1655: 1652: 1648: 1647: 1644: 1641: 1638: 1635: 1631: 1630: 1627: 1624: 1621: 1618: 1614: 1613: 1610: 1607: 1604: 1601: 1597: 1596: 1593: 1590: 1587: 1584: 1580: 1579: 1576: 1573: 1570: 1567: 1563: 1562: 1559: 1556: 1553: 1550: 1527: 1524: 1518: 1517: 1514: 1511: 1508: 1504: 1503: 1500: 1497: 1494: 1490: 1489: 1486: 1483: 1479: 1478: 1475: 1472: 1469: 1465: 1464: 1461: 1458: 1455: 1451: 1450: 1447: 1444: 1441: 1437: 1436: 1433: 1430: 1426: 1425: 1422: 1419: 1415: 1414: 1411: 1408: 1405: 1401: 1400: 1397: 1394: 1390: 1389: 1386: 1383: 1379: 1378: 1375: 1372: 1369: 1365: 1364: 1361: 1358: 1355: 1351: 1350: 1347: 1344: 1340: 1339: 1336: 1333: 1329: 1328: 1325: 1322: 1319: 1315: 1314: 1311: 1308: 1305: 1301: 1300: 1297: 1294: 1291: 1287: 1286: 1284: 1281: 1277: 1276: 1273: 1270: 1266: 1265: 1263: 1260: 1256: 1255: 1252: 1249: 1248:Isle of Grain 1245: 1244: 1241: 1238: 1235: 1231: 1230: 1227: 1224: 1223:Theddlethorpe 1221: 1217: 1216: 1214: 1211: 1207: 1206: 1203: 1200: 1197: 1193: 1192: 1189: 1186: 1183: 1179: 1178: 1176: 1173: 1170: 1166: 1165: 1163: 1160: 1156: 1155: 1153: 1150: 1147: 1143: 1142: 1140: 1137: 1134: 1130: 1129: 1127: 1124: 1120: 1119: 1117: 1114: 1111: 1107: 1106: 1104: 1101: 1097: 1096: 1093: 1090: 1087: 1083: 1082: 1079: 1076: 1073: 1059: 1058: 1055: 1052: 1049: 1045: 1044: 1041: 1038: 1035: 1031: 1030: 1027: 1024: 1021: 1017: 1016: 1013: 1010: 1007: 1003: 1002: 999: 996: 993: 989: 988: 985: 982: 979: 975: 974: 971: 968: 965: 961: 960: 957: 954: 951: 947: 946: 943: 940: 937: 900: 897: 879: 876: 862: 861: 858: 855: 849: 847: 844: 840: 839: 836: 833: 830: 828: 825: 821: 820: 817: 814: 811: 808: 805: 801: 800: 797: 794: 791: 789: 786: 782: 781: 778: 775: 772: 769: 766: 762: 761: 758: 755: 752: 749: 746: 742: 741: 738: 735: 730: 727: 724: 720: 719: 716: 713: 708: 705: 702: 698: 697: 694: 691: 688: 685: 682: 658: 655: 650: 647: 625: 624: 619: 616: 613: 608: 605: 599: 598: 595: 592: 589: 586: 583: 577: 576: 573: 570: 569:December 1974 567: 562: 559: 555: 554: 551: 550:November 1978 548: 545: 540: 537: 531: 530: 527: 524: 521: 520:TotalEnergies 518: 515: 509: 508: 505: 502: 499: 494: 491: 484: 483: 478: 475: 472: 469: 466: 460: 459: 456: 453: 450: 447: 444: 438: 437: 432: 429: 426: 417: 414: 408: 407: 404: 401: 398: 395: 392: 386: 385: 382: 379: 376: 375:, Arpet group 370: 367: 361: 360: 355: 352: 349: 328: 325: 319: 318: 313: 310: 307: 302: 299: 293: 292: 289: 286: 283: 280: 277: 260: 259:UK natural gas 257: 244: 243: 240: 237: 234: 228: 227: 224: 221: 218: 212: 211: 208: 205: 202: 201:East Midlands 198: 197: 194: 191: 188: 187:West Midlands 184: 183: 180: 177: 173: 172: 169: 166: 163: 159: 158: 155: 152: 149: 145: 144: 141: 138: 135: 134:South Eastern 131: 130: 128: 126: 122: 121: 118: 115: 111: 110: 107: 104: 101: 95: 94: 91: 88: 85: 42: 39: 37: 34: 9: 6: 4: 3: 2: 5952: 5941: 5938: 5937: 5935: 5920: 5919: 5910: 5909: 5906: 5896: 5893: 5891: 5888: 5886: 5883: 5879: 5876: 5875: 5874: 5871: 5869: 5866: 5864: 5861: 5859: 5856: 5854: 5851: 5849: 5846: 5844: 5841: 5839: 5836: 5835: 5832: 5828: 5823: 5819: 5805: 5802: 5800: 5797: 5795: 5792: 5790: 5787: 5785: 5782: 5780: 5777: 5775: 5772: 5771: 5769: 5765: 5759: 5756: 5754: 5751: 5749: 5746: 5744: 5741: 5739: 5736: 5734: 5731: 5729: 5726: 5725: 5723: 5719: 5713: 5710: 5708: 5705: 5703: 5700: 5698: 5695: 5693: 5690: 5688: 5685: 5683: 5680: 5679: 5677: 5673:Charities and 5671: 5667: 5660: 5656: 5642: 5639: 5637: 5634: 5632: 5629: 5627: 5624: 5622: 5619: 5617: 5614: 5612: 5609: 5607: 5604: 5602: 5599: 5597: 5594: 5592: 5589: 5587: 5584: 5582: 5579: 5577: 5574: 5572: 5569: 5567: 5564: 5562: 5559: 5558: 5556: 5554: 5548: 5542: 5539: 5537: 5534: 5532: 5529: 5527: 5524: 5522: 5519: 5517: 5514: 5512: 5509: 5507: 5504: 5503: 5501: 5499:Organisations 5497: 5493: 5486: 5482: 5464: 5461: 5459: 5456: 5454: 5451: 5449: 5446: 5444: 5441: 5440: 5438: 5436: 5432: 5426: 5424: 5420: 5414: 5411: 5409: 5406: 5404: 5401: 5399: 5396: 5395: 5393: 5391: 5387: 5381: 5378: 5377: 5375: 5373: 5369: 5363: 5360: 5358: 5355: 5353: 5350: 5348: 5345: 5344: 5342: 5340: 5336: 5333: 5331: 5327: 5321: 5318: 5316: 5313: 5311: 5308: 5306: 5303: 5301: 5298: 5296: 5293: 5291: 5288: 5286: 5285:North Sea oil 5283: 5281: 5278: 5276: 5273: 5271: 5268: 5266: 5263: 5261: 5258: 5256: 5253: 5251: 5250:Fuel protests 5248: 5246: 5243: 5241: 5238: 5236: 5233: 5232: 5230: 5228: 5224: 5218: 5215: 5213: 5210: 5208: 5205: 5203: 5200: 5198: 5195: 5193: 5190: 5188: 5185: 5183: 5180: 5178: 5175: 5173: 5170: 5169: 5167: 5165: 5161: 5155: 5152: 5150: 5147: 5145: 5142: 5140: 5137: 5133: 5130: 5128: 5125: 5124: 5123: 5122:National Grid 5120: 5118: 5115: 5113: 5110: 5108: 5105: 5103: 5100: 5098: 5095: 5093: 5090: 5088: 5085: 5083: 5080: 5078: 5075: 5073: 5070: 5068: 5065: 5063: 5060: 5058: 5055: 5054: 5052: 5050: 5046: 5040: 5037: 5033: 5030: 5028: 5025: 5024: 5023: 5020: 5018: 5015: 5013: 5010: 5008: 5005: 5003: 5000: 4998: 4995: 4993: 4990: 4989: 4987: 4985: 4981: 4977: 4970: 4966: 4952: 4945: 4939: 4936: 4934: 4931: 4929: 4926: 4924: 4921: 4919: 4916: 4914: 4911: 4909: 4906: 4904: 4901: 4900: 4898: 4894: 4880: 4879:National Grid 4877: 4876: 4874: 4872: 4868: 4862: 4859: 4857: 4854: 4852: 4851:National Grid 4849: 4848: 4846: 4844: 4840: 4837: 4835: 4831: 4821: 4818: 4816: 4813: 4811: 4808: 4806: 4803: 4801: 4800:Firmus Energy 4798: 4796: 4793: 4792: 4790: 4786: 4780: 4777: 4775: 4772: 4770: 4767: 4765: 4762: 4760: 4757: 4755: 4752: 4751: 4749: 4747: 4743: 4740: 4738: 4734: 4724: 4721: 4719: 4716: 4714: 4711: 4709: 4706: 4704: 4701: 4699: 4696: 4694: 4691: 4689: 4686: 4684: 4681: 4679: 4676: 4674: 4673:Firmus Energy 4671: 4669: 4666: 4664: 4661: 4659: 4656: 4654: 4651: 4649: 4646: 4645: 4643: 4641: 4637: 4631: 4630: 4626: 4624: 4623:Vattenfall UK 4621: 4619: 4616: 4614: 4611: 4609: 4606: 4604: 4601: 4600: 4598: 4596: 4592: 4589: 4583: 4577: 4574: 4572: 4571:ScottishPower 4569: 4567: 4564: 4562: 4559: 4557: 4554: 4552: 4549: 4548: 4546: 4542: 4539: 4537: 4533: 4523: 4520: 4518: 4515: 4513: 4510: 4508: 4505: 4503: 4500: 4498: 4495: 4493: 4490: 4488: 4485: 4483: 4480: 4479: 4477: 4473: 4467: 4464: 4462: 4459: 4458: 4456: 4452: 4446: 4443: 4441: 4438: 4436: 4435: 4431: 4429: 4428: 4424: 4422: 4421: 4420:Pharos Energy 4417: 4415: 4412: 4410: 4409: 4405: 4403: 4402: 4398: 4396: 4395: 4391: 4389: 4388: 4384: 4382: 4379: 4377: 4374: 4372: 4369: 4367: 4366: 4362: 4360: 4359: 4355: 4353: 4350: 4348: 4345: 4343: 4342: 4338: 4336: 4333: 4331: 4330: 4326: 4325: 4323: 4317: 4311: 4308: 4306: 4303: 4302: 4300: 4296: 4293: 4291: 4285: 4279: 4276: 4274: 4273: 4269: 4267: 4266: 4262: 4260: 4259: 4258:GCM Resources 4255: 4253: 4252: 4248: 4246: 4245: 4241: 4239: 4238: 4234: 4233: 4231: 4229: 4225: 4221: 4217: 4212: 4208: 4204: 4197: 4192: 4190: 4185: 4183: 4178: 4177: 4174: 4168: 4165: 4163: 4160: 4157: 4154: 4150: 4147: 4145: 4142: 4139: 4136: 4133: 4130: 4128: 4125: 4123: 4120: 4118: 4115: 4113: 4110: 4108: 4105: 4104: 4084: 4080: 4074: 4059: 4052: 4044: 4038: 4030: 4023: 4008: 4004: 3998: 3996: 3980: 3976: 3970: 3955: 3948: 3941: 3925: 3921: 3915: 3900: 3896: 3889: 3887: 3871: 3867: 3861: 3853: 3846: 3838: 3831: 3825: 3817: 3810: 3804: 3796: 3792: 3786: 3784: 3775: 3768: 3762: 3754: 3747: 3741: 3739: 3730: 3723: 3715: 3711: 3705: 3703: 3694: 3687: 3685: 3676: 3669: 3661: 3654: 3648: 3640: 3633: 3631: 3629: 3627: 3618: 3614: 3607: 3605: 3603: 3601: 3599: 3597: 3595: 3593: 3591: 3589: 3587: 3585: 3576: 3570: 3568: 3559: 3558:whessoe.co.uk 3555: 3549: 3547: 3545: 3543: 3534: 3527: 3519: 3513: 3505: 3500: 3499: 3490: 3482: 3475: 3467: 3460: 3458: 3456: 3454: 3452: 3450: 3448: 3446: 3437: 3430: 3422: 3417: 3416: 3407: 3399: 3392: 3383: 3375: 3370: 3369: 3360: 3352: 3347: 3346: 3337: 3330: 3325: 3317: 3310: 3302: 3295: 3287: 3280: 3272: 3265: 3259: 3257: 3248: 3243: 3242: 3233: 3218: 3214: 3208: 3204: 3195: 3192: 3190: 3187: 3185: 3182: 3181: 3175: 3173: 3172:Firmus Energy 3169: 3165: 3161: 3149: 3146: 3143: 3139: 3136: 3132: 3129: 3125: 3122: 3119: 3116: 3113: 3110: 3107: 3104: 3103: 3102: 3099: 3097: 3093: 3083: 3081: 3077: 3073: 3069: 3065: 3061: 3060:East Midlands 3057: 3056:West Midlands 3053: 3049: 3044: 3042: 3038: 3034: 3019: 3016: 3014: 3011: 3010: 3006: 3003: 3002: 2998: 2995: 2994: 2990: 2988:North Thames 2987: 2986: 2982: 2979: 2978: 2974: 2971: 2970: 2966: 2963: 2962: 2958: 2955: 2954: 2950: 2947: 2946: 2942: 2939: 2938: 2934: 2931: 2930: 2926: 2923: 2922: 2918: 2915: 2914: 2910: 2907: 2906: 2897: 2894: 2890: 2887: 2883: 2879: 2876: 2872: 2869: 2865: 2861: 2857: 2856: 2855: 2842: 2839: 2836: 2833: 2832: 2828: 2825: 2822: 2819: 2818: 2814: 2811: 2809: 2805: 2803:St Fergus II 2802: 2801: 2797: 2794: 2791: 2788: 2787: 2783: 2780: 2777: 2774: 2773: 2769: 2766: 2763: 2760: 2759: 2755: 2752: 2749: 2746: 2745: 2741: 2738: 2735: 2732: 2731: 2727: 2724: 2721: 2718: 2717: 2713: 2710: 2707: 2704: 2703: 2699: 2696: 2693: 2690: 2689: 2685: 2682: 2679: 2676: 2675: 2671: 2668: 2666: 2662: 2659: 2658: 2654: 2651: 2648: 2646:Peterborough 2645: 2644: 2640: 2637: 2635: 2631: 2628: 2627: 2624:Commissioned 2623: 2620: 2618:Gas turbines 2617: 2614: 2613: 2604: 2600: 2596: 2592: 2588: 2585: 2581: 2577: 2573: 2569: 2565: 2561: 2557: 2553: 2549: 2545: 2541: 2537: 2533: 2529: 2525: 2521: 2520: 2519: 2516: 2513: 2512:after-coolers 2508: 2504: 2500: 2490: 2486: 2484: 2474: 2471: 2468: 2465: 2462: 2459: 2456: 2453: 2450: 2447: 2444: 2443: 2439: 2436: 2433: 2430: 2427: 2424: 2421: 2418: 2415: 2412: 2409: 2408: 2404: 2401: 2398: 2395: 2392: 2389: 2386: 2383: 2380: 2377: 2375:Humbly Grove 2374: 2373: 2369: 2366: 2363: 2360: 2357: 2354: 2351: 2348: 2345: 2342: 2339: 2338: 2334: 2331: 2328: 2325: 2322: 2319: 2316: 2313: 2310: 2307: 2304: 2303: 2299: 2296: 2293: 2290: 2288: 2285: 2282: 2279: 2276: 2273: 2270: 2269: 2265: 2262: 2259: 2256: 2253: 2250: 2247: 2244: 2241: 2238: 2235: 2234: 2230: 2227: 2224: 2221: 2218: 2215: 2212: 2210: 2207: 2204: 2201: 2198: 2197: 2193: 2190: 2187: 2184: 2181: 2178: 2175: 2173: 2170: 2167: 2164: 2162: 2161:Hatfield Moor 2159: 2158: 2154: 2151: 2148: 2145: 2142: 2139: 2136: 2133: 2130: 2127: 2124: 2123: 2120:Commissioned 2119: 2116: 2113: 2110: 2107: 2104: 2101: 2098: 2095: 2092: 2089: 2088: 2082: 2079: 2077: 2073: 2057: 2055: 2052: 2051: 2047: 2045: 2042: 2041: 2037: 2035: 2032: 2031: 2027: 2024: 2023: 2019: 2017: 2014: 2013: 2009: 2007: 2004: 2003: 1999: 1997: 1994: 1993: 1989: 1987: 1984: 1983: 1979: 1976: 1975: 1969: 1967: 1963: 1958: 1950: 1947: 1946: 1942: 1939: 1938: 1934: 1932:Total inerts 1931: 1930: 1926: 1923: 1922: 1918: 1915: 1914: 1910: 1907: 1906: 1902: 1899: 1898: 1894: 1887: 1886: 1883:≤5 mg/m 1882: 1879: 1878: 1874: 1871: 1870: 1866: 1863: 1862: 1858: 1855: 1854: 1850: 1847: 1846: 1842: 1839: 1838: 1832: 1821: 1817: 1814: 1810: 1806: 1805:Isle of Grain 1802: 1799: 1795: 1791: 1787: 1783: 1780: 1776: 1772: 1769: 1765: 1761: 1757: 1756:Theddlethorpe 1753: 1749: 1745: 1741: 1740:CATS Teesside 1737: 1736: 1735: 1727: 1725: 1720: 1708: 1704: 1701: 1698: 1697: 1696: 1683: 1679: 1676: 1673: 1670: 1667: 1666: 1662: 1659: 1656: 1654:3 × 50,000 m 1653: 1650: 1649: 1645: 1642: 1639: 1636: 1633: 1632: 1628: 1625: 1622: 1619: 1616: 1615: 1611: 1608: 1605: 1602: 1599: 1598: 1594: 1591: 1588: 1585: 1582: 1581: 1577: 1574: 1571: 1568: 1565: 1564: 1560: 1557: 1555:Commissioned 1554: 1551: 1548: 1547: 1543: 1537: 1534: 1523: 1515: 1512: 1509: 1506: 1505: 1501: 1498: 1496:Herbrandston 1495: 1492: 1491: 1487: 1484: 1481: 1480: 1476: 1473: 1470: 1466: 1462: 1459: 1456: 1453: 1452: 1448: 1445: 1442: 1439: 1438: 1434: 1431: 1428: 1427: 1423: 1420: 1417: 1416: 1412: 1409: 1406: 1402: 1398: 1395: 1392: 1391: 1387: 1384: 1381: 1380: 1376: 1373: 1370: 1366: 1362: 1360:Peterborough 1359: 1356: 1353: 1352: 1348: 1345: 1342: 1341: 1337: 1334: 1331: 1330: 1326: 1323: 1320: 1316: 1312: 1309: 1306: 1303: 1302: 1298: 1295: 1292: 1289: 1288: 1285: 1282: 1279: 1278: 1274: 1271: 1268: 1267: 1264: 1261: 1258: 1257: 1253: 1250: 1247: 1246: 1242: 1239: 1237:Peterborough 1236: 1232: 1228: 1225: 1222: 1219: 1218: 1215: 1212: 1209: 1208: 1204: 1201: 1198: 1194: 1190: 1187: 1184: 1181: 1180: 1177: 1174: 1171: 1168: 1167: 1164: 1161: 1158: 1157: 1154: 1151: 1148: 1144: 1141: 1138: 1135: 1132: 1131: 1128: 1125: 1122: 1121: 1118: 1115: 1112: 1108: 1105: 1102: 1099: 1098: 1094: 1091: 1088: 1084: 1080: 1077: 1074: 1071: 1070: 1064: 1056: 1053: 1050: 1047: 1046: 1042: 1039: 1036: 1033: 1032: 1028: 1025: 1022: 1019: 1018: 1014: 1011: 1008: 1005: 1004: 1000: 997: 994: 991: 990: 986: 983: 980: 977: 976: 972: 969: 966: 963: 962: 958: 955: 952: 949: 948: 944: 941: 938: 935: 934: 928: 925: 923: 918: 914: 911: 909: 904: 896: 893: 889: 884: 875: 873: 869: 859: 856: 854: 850: 848: 845: 842: 841: 837: 834: 831: 829: 826: 823: 822: 818: 815: 812: 809: 806: 803: 802: 798: 795: 792: 790: 787: 784: 783: 779: 776: 773: 770: 767: 764: 763: 760:October 1969 759: 756: 753: 750: 747: 744: 743: 739: 736: 734: 731: 728: 725: 722: 721: 717: 714: 712: 709: 706: 703: 700: 699: 695: 692: 689: 686: 683: 680: 679: 673: 670: 668: 664: 654: 646: 644: 640: 636: 632: 623: 620: 617: 614: 612: 609: 606: 604: 603:Morecambe Bay 601: 600: 596: 593: 590: 587: 584: 582: 579: 578: 574: 572:January 1981 571: 568: 566: 563: 560: 557: 556: 552: 549: 547:January 1973 546: 544: 541: 538: 536: 533: 532: 528: 525: 522: 519: 516: 514: 511: 510: 506: 503: 500: 498: 497:TotalEnergies 495: 492: 489: 486: 485: 482: 479: 476: 474:October 1970 473: 470: 467: 465: 462: 461: 457: 455:October 1975 454: 451: 448: 445: 443: 440: 439: 436: 433: 430: 427: 425: 421: 418: 415: 413: 410: 409: 405: 403:October 1971 402: 399: 396: 393: 391: 390:Indefatigable 388: 387: 383: 380: 378:October 1966 377: 374: 371: 368: 366: 363: 362: 359: 356: 353: 350: 348: 344: 340: 336: 332: 329: 326: 324: 321: 320: 317: 314: 311: 308: 306: 303: 300: 298: 295: 294: 290: 287: 284: 281: 278: 275: 274: 268: 266: 256: 253: 251: 241: 238: 235: 233: 232:North Eastern 230: 229: 225: 222: 219: 217: 216:North Western 214: 213: 209: 206: 203: 200: 199: 195: 192: 189: 186: 185: 181: 178: 175: 174: 170: 167: 164: 160: 156: 153: 150: 147: 146: 142: 139: 136: 133: 132: 129: 127: 124: 123: 119: 116: 113: 112: 108: 105: 102: 100: 96: 92: 89: 86: 83: 82: 76: 73: 71: 68: 64: 60: 56: 52: 48: 47:Canvey Island 33: 31: 27: 26:gas pipelines 23: 19: 5917: 5682:Ashden Award 5506:Carbon Trust 5269: 5240:Dash for Gas 5235:BBL Pipeline 4950: 4923:Hi-Gen Power 4870: 4834:Transmission 4737:Distribution 4708:Shell Energy 4658:Co-op Energy 4627: 4432: 4425: 4418: 4408:Ophir Energy 4406: 4399: 4392: 4385: 4376:Essar Energy 4363: 4356: 4339: 4327: 4270: 4263: 4256: 4249: 4242: 4235: 4161: 4152: 4089:18 September 4087:. Retrieved 4082: 4073: 4061:. Retrieved 4051: 4037: 4028: 4022: 4010:. Retrieved 4006: 3982:. Retrieved 3978: 3969: 3957:. Retrieved 3953: 3940: 3928:. Retrieved 3923: 3914: 3902:. Retrieved 3899:The Guardian 3898: 3873:. Retrieved 3869: 3860: 3851: 3845: 3836: 3824: 3815: 3803: 3794: 3773: 3761: 3752: 3728: 3722: 3714:the original 3692: 3674: 3668: 3659: 3647: 3638: 3616: 3612: 3557: 3532: 3526: 3512: 3497: 3489: 3480: 3474: 3465: 3435: 3429: 3414: 3406: 3397: 3391: 3382: 3367: 3359: 3344: 3336: 3328: 3324: 3315: 3309: 3300: 3294: 3285: 3279: 3270: 3240: 3232: 3222:26 September 3220:. Retrieved 3216: 3207: 3158: 3135:BG Group plc 3100: 3089: 3068:North London 3045: 3029: 3017: 3012: 2964:East Anglia 2853: 2789:St Fergus I 2705:King's Lynn 2556:Peterborough 2517: 2496: 2487: 2480: 2457:Salt cavern 2422:Salt cavern 2352:Salt cavern 2317:Salt cavern 2283:Salt cavern 2248:Salt cavern 2213:Salt cavern 2137:Salt cavern 2096:Coordinates 2080: 2068: 1959: 1956: 1948:Soot index* 1830: 1790:BBL pipeline 1733: 1721: 1717: 1693: 1529: 1521: 1474:King's Lynn 1460:Steppingley 1443:Bridge Farm 1374:Honeybourne 1092:East Ilsley 1062: 939:NTS mileage 926: 919: 915: 912: 905: 902: 885: 881: 865: 819:Autumn 1971 799:Autumn 1971 780:Autumn 1970 740:August 1968 696:Operational 671: 660: 652: 628: 354:August 1968 262: 254: 247: 99:North Thames 74: 44: 21: 17: 15: 5753:RenewableUK 5687:Bioregional 5553:initiatives 5423:Solar power 5227:Oil and gas 5049:Electricity 4843:Electricity 4746:Electricity 4688:Opus Energy 4678:Good Energy 4522:WesternGeco 4482:Abbot Group 4440:Star Energy 4319:Exploration 3930:29 December 3875:28 December 3729:Natural Gas 3693:Natural Gas 3675:Natural Gas 3639:Natural Gas 3533:Natural Gas 3466:Natural Gas 3398:Natural Gas 3329:Fuel Policy 3106:Gas Council 2996:South East 2972:North East 2956:North West 2932:South West 2888:, Scotland. 2747:Kirriemuir 2691:Chelmsford 2677:Scunthorpe 2660:Churchover 2589:Scotland – 2552:King's Lynn 2499:gas turbine 2297:FM15, FM21 2280:EDF Energy 2263:FM15, FM21 2245:EDF Energy 2228:FM15, FM21 2125:Aldborough 1775:Saltfleetby 1660:April 2016 1643:March 2009 1626:March 2012 1606:1972, 1974 1561:Operations 1457:Huntingdon 1393:Wormington 1371:Churchover 1175:Kenn South 1172:Barrington 1149:Kirriemuir 1100:Brocklesby 1072:Feeder No. 681:Feeder No. 639:area boards 635:Gas Council 631:white paper 588:Shell/Esso 351:April 1966 343:Gas Council 312:March 1967 285:Discovered 279:Field type 250:Gas Council 220:Manchester 84:Area board 30:natural gas 5435:Wind power 5413:Wave farms 5372:Geothermal 5330:Renewables 5300:Oil fields 5212:Sellafield 5077:Economy 10 5002:Coal mines 4928:Mark Group 4795:Cadent Gas 4698:OVO Energy 4663:Ecotricity 4603:Drax Group 4595:Generation 4587:and supply 4585:Generation 4561:EDF Energy 4544:Integrated 4517:Weir Group 4445:Tullow Oil 4298:Integrated 4063:31 January 3200:References 3094:(80%) and 2860:Billingham 2736:2 Orendas 2719:Cambridge 2595:Kirriemuir 2576:Chelmsford 2564:Huntingdon 2560:Churchover 2536:Warrington 2522:England – 2503:compressor 2209:EDF Energy 1977:Component 1809:South Hook 1779:Wytch Farm 1677:Operating 1674:1980–2010 1589:1967–1970 1531:was high, 1510:Easington 1482:Cambridge 1418:Easington 1407:St Fergus 1382:Peterstow 1377:1998–2001 1335:Burscough 1332:Carnforth 1327:1992–2001 1321:Mawdesley 1310:Choakford 1307:Ilchester 1293:Easington 1262:Rye House 1251:Gravesend 1188:Warburton 1159:St Fergus 1116:Glenmavis 1089:Easington 908:Wormington 860:July 1972 597:St Fergus 591:July 1971 575:St Fergus 553:St Fergus 529:St Fergus 513:Frigg (UK) 507:St Fergus 501:June 1971 458:Easington 431:July 1972 400:June 1966 381:July 1969 204:Sheffield 190:Coleshill 176:Dunstable 87:Supply to 5072:Economy 7 4908:APX Group 4668:ESB Group 4536:Utilities 4461:Greenergy 4272:Rio Tinto 4216:Companies 3619:: 179–96. 3086:Ownership 2980:Southern 2924:Northern 2916:Scotland 2870:Teesside. 2761:Bathgate 2603:St Fergus 2584:Lockerley 2580:Aylesbury 2568:Cambridge 2532:Carnforth 2454:Storengy 2419:Storengy 2093:Location 2090:Facility 1935:<7.0% 1781:, Dorset. 1760:St Fergus 1714:Operation 1410:Lochside 1280:St Neots 1185:Longtown 1162:Aberdeen 1139:Longtown 1136:Bathgate 1126:Saltwick 1123:Thrunton 1113:Bathgate 892:St Fergus 868:Pickering 684:Diameter 523:May 1972 490:(Norway) 481:St Fergus 452:May 1968 428:May 1968 316:Easington 297:West Sole 148:Southern 72:process. 63:reforming 5934:Category 5918:Category 5863:EcoHomes 5767:Research 5339:Biofuels 4648:100Green 4618:Renantis 4551:Centrica 4507:Petrofac 4347:Centrica 4288:Oil and 4265:Glencore 4007:Storengy 3924:BBC News 3178:See also 3041:Solihull 3033:Hinckley 2850:Offtakes 2834:Wisbech 2629:Alrewas 2615:Station 2591:Aberdeen 2501:driven) 2305:Holford 2076:Centrica 2034:Nitrogen 1516:2006–08 1385:Gilwern 1343:Elworth 1324:Alrewas 1272:Tilbury 1243:1988–94 1095:1983–86 846:30-inch 832:Wisbech 827:36-inch 788:36-inch 768:36-inch 748:36-inch 643:gasworks 165:Hitchin 162:Eastern 151:Reading 114:Bromley 59:town gas 5164:Nuclear 5127:Control 5062:BritNed 5022:History 4951:italics 4938:Wavegen 4918:EnServe 4903:Aggreko 4556:E.ON UK 4497:Hunting 4475:Support 4414:Perenco 4371:EnQuest 4278:UK Coal 4155:in 2011 4144:Xoserve 4083:Reuters 4012:1 March 3984:1 March 3959:4 March 3904:2 March 2864:Runcorn 2820:Moffat 2665:Orendas 2548:Wisbech 2544:Alrewas 2483:Hornsea 2006:Propane 1986:Methane 1471:Bacton 1429:Hatton 1226:Hatton 1202:Lupton 1199:Barrow 1034:1978/9 1020:1976/7 1006:1974/5 992:1972/3 978:1970/1 964:1968/9 956:Canvey 950:1966/7 857:Hatton 851:Former 687:Length 558:Tartan 464:Forties 406:Bacton 384:Bacton 41:Origins 36:History 5428:  5182:Magnox 4640:Supply 4566:Npower 4454:Supply 3128:BG plc 3062:, the 3058:, the 3054:, the 3048:Cadent 3004:Wales 2886:Moffat 2599:Moffat 2540:Hatton 2524:Wooler 2349:SSEHL 2099:Owner 2054:Helium 2016:Butane 1996:Ethane 1990:93.63 1951:≤0.60 1943:≤0.48 1843:Value 1813:Dragon 1748:Bacton 1499:Corse 1421:Paull 1396:Corse 1296:Paull 936:Years 813:Paull 622:Barrow 565:Texaco 420:Conoco 412:Viking 365:Hewett 358:Bacton 276:Field 236:Leeds 5789:Narec 5511:Cenex 5352:NNFCC 4896:Other 4512:Qserv 4492:Expro 4329:Afren 4310:Shell 3979:ofgem 3950:(PDF) 3833:(PDF) 3812:(PDF) 3770:(PDF) 3749:(PDF) 3656:(PDF) 3267:(PDF) 3013:Total 2875:Rough 2868:INEOS 2843:1980 2840:32.6 2829:1980 2826:38.6 2815:1978 2812:65.3 2798:1977 2795:47.2 2784:1977 2781:34.5 2775:Diss 2770:1977 2767:47.2 2756:1977 2753:47.2 2742:1974 2739:14.4 2728:1974 2725:23.0 2714:1973 2711:47.2 2700:1973 2697:23.0 2686:1973 2683:23.6 2672:1972 2669:18.4 2655:1972 2652:35.4 2641:1970 2638:21.6 2475:2019 2472:FM21 2440:2014 2437:FM21 2405:2005 2370:1979 2367:FM06 2335:2011 2332:FM21 2266:2019 2231:2011 2194:2000 2191:FM07 2155:2009 2152:FM06 2102:Type 2058:0.05 2048:0.13 2038:1.78 2028:0.20 2020:0.27 2010:0.69 2000:3.25 1820:Rough 1730:Entry 1706:bar). 1640:1972 1609:2012 1592:1985 1575:1984 1549:Site 1502:2007 1488:2002 1477:2003 1463:2001 1449:2001 1435:2001 1424:2010 1413:2001 1399:2000 1388:2000 1363:1993 1349:1994 1338:1992 1313:1989 1299:1991 1275:1990 1254:2008 1229:1988 1205:1983 1191:1984 1075:From 1051:3200 1048:1983 1037:3047 1023:2915 1009:2308 995:2199 981:1898 838:1972 690:From 618:1985 594:1982 581:Brent 535:Piper 488:Frigg 442:Rough 347:Mobil 339:Amoco 331:Shell 323:Leman 196:10.5 109:15.5 67:Lurgi 4984:Coal 4251:ENRC 4228:Coal 4091:2024 4065:2023 4014:2021 3986:2021 3961:2021 3932:2023 3906:2021 3877:2023 3617:197A 3506:–30. 3353:–11. 3224:2020 3066:and 2862:and 2601:and 2572:Diss 2460:400 2425:220 2390:300 2355:235 2320:200 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Index

gas pipelines
natural gas
Canvey Island
liquefied natural gas
area gas boards
town gas
reforming
Lurgi
coal gasification
North Thames
North Western
North Eastern
Gas Council
UK continental shelf
West Sole
BP
Easington
Leman
Shell
Esso
Amoco
Gas Council
Mobil
Bacton
Hewett
Phillips Petroleum
Indefatigable
Viking
Conoco
BNOC

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