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kV upgrades are delivered as part of the scope to increase power transfers. Substation works are also required.","At Brora and Dunbeath establish new 400 kV substations and install new 400/132 kV SGTs to connect to the existing 132 kV network.","Branxton will facilitate the connection of offshore renewable developments as well as the reinforcement of capacity between Scotland and England.","Establishes a new 400 kV corridor north to south, tying into existing east-west 400 kV circuits. This project had a Hold recommendation in the NOA2021/22 Refresh and continues to be recommended as Hold.","In the SHE Transmission area, BPNC is the required onshore circuit reinforcement to facilitate this additional 2 GW link. Circuit upgrades will also be required in the South Humber area.","Replace the conductors on the newly formed Bramford to Twinstead Green to Pelham circuit (Twinstead Tee to Pelham) with higher-rated conductors. This would increase the circuit's thermal rating following the new 400 kV double circuit between Bramford and","The Errochty I/T scheme (implemented under ECU2) shall be amended to trip the 400/132 kV supergrid transformer (SGTs) at Kinardochy under loss of the 400 kV double circuit south of Kinardochy.","The onshore works involve the construction of AC/DC converter stations and the associated AC works at Peterhead and Drax.","This limits the rating of the circuit to 1687 MVA/2009 MVA (pre/post fault)","This project had an HND Essential recommendation and is now recommended as Proceed - Critical.","This reinforcement is required as onshore works to faciliate the 2nd Eastern HVDC Link from Peterhead - NOA option reference E4L5","This will increase the circuits’ thermal ratings.","This would help move flow west to east during periods of interconnector export on the south coast coincident with high wind output further north.","to allow UKPN's 132kV overhead line to be decomissioned and removed to allow space for the new overhad line.Construct four new shunt reactors, two at Bramford substation and two at Rayleigh substation.\n","to increase the circuits overall thermal rating."]},{"attribute":"Descript_2","count":4,"type":"string","values":["\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","(Previously recommended in Network Options Assessment 2021/22 Refresh)","It would increase power export capability from East Anglia into the rest of the transmission system. (Previously recommended in Network Options Assessment 2021/22 Refresh)","Leading The Way: 2035"]},{"attribute":"Descriptio","count":69,"type":"string","values":["(Previously recommended in Network Options Assessment 2021/22 Refresh)","Add power control devices to the existing circuit between Thorpe Marsh and West Melton","Construct a High Voltage Direct Current (HVDC) subsea link from Peterhead in the north east of Scotland to Drax in the Yorkshire area of England.","Construct a High Voltage Direct Current (HVDC) subsea link from Peterhead to a location in the South Humber area. The link will involve substation works and HVDC converter stations at both Peterhead and the South Humber.","Construct a High Voltage Direct Current (HVDC) subsea link from a new Branxton 400kV Substation (near Torness), to Hawthorn Pit, in the north east of England.","Construct a High Voltage Direct Current (HVDC) subsea link from from the SPT area, to the South Humber area, in the north east of England, together with associated onshore works.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Construct a new 400 kV double circuit between Beauly and Blackhillock. At both sites extend the 400 kV busbar arrangements to allow for the connection of two additional bays.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Construct a new 400 kV double circuit in Lincolnshire to facilitate power transfer requirements across the relevant boundaries. Substation works are required to accommodate the new circuits.","Construct a new 400 kV double circuit in Yorkshire to facilitate power transfer requirements across the relevant boundaries. This new circuit connects near Poppleton and tee-in to the existing Norton to Osbaldwick 400 kV circuit. \n\n","Construct a new 400 kV double circuit in north East Anglia to facilitate power transfer requirements across the relevant boundaries. Substation works are required to accommodate the new circuits.\n","Construct a new 400kV double circuit between Bramford substation and Twinstead tee point to create double circuits that run between Bramford to Pelham and Bramford to Braintree to Rayleigh Main. Construct a new Grid Supply Point at Twinstead Green.","Construct a new 400kV double circuit in south E Anglia to facilitate power transfer requirements across the relevant boundaries. Substation works are required to accommodate the new circuits, including a new substation to facilitate customer connections.","Construct a new Chesterfield – Ratcliffe-on-Soar 400kV double circuit. This is to help alleviate high power flows in and around the East Anglia and Humber area.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Construct a new offshore 2 GW HVDC circuit between Suffolk and Kent\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Establish a 400 kV substation at Spittal and construct a HVDC subsea link from the new 400 kV substation at Spittal to the existing 400 kV substation at Peterhead.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Establish a 400kV single circuit corridor south from Kincardine North, on existing overhead line (OHL) routes, to Wishaw substation (or Clyde’s Mill substation).","Establish a new 400 kV double circuit overhead line from Blackhillock to Peterhead via New Deer. Peterhead and Blackhillock substations will require extension to accomodate termination of the new double circuit.","Establish a new 400kV OHL from Bonnybridge substation to an existing OHL north of Glenmavis, together with associated substation works, conductor replacement and voltage uprating on existing OHL routes.","Establish a new 400kV substation north of Kincardine and connect to Denny North at 400kV, integrating load and non-load related investment drivers and enabling significant reinforcement of transfer capacity through central Scotland.","Hackney, Tottenham and Waltham Cross substation uprate from 275 kV to 400 kV, and the double circuit route connecting them. This will strengthen the power flow into London, via Rye House, down to Hackney.\n\n","Install a power control device along the Keadby to West Burton 400 kV overhead line route. This would improve the capability to control the power flows from north to south of the transmission network.\n\n","Install a power control device along the Tilbury to Kingsnorth 400 kV overhead line route. This would improve the capability to control the power flows in the south east region of the transmission network","Install additional power control devices along the Keadby to West Burton number 1 400 kV overhead line circuit. This would improve the capability to control the power flows from north to south of the transmission network.","New circuit between Harburn and Gala North","New network need from Loch Buidhe to Spittal via Brora and Dunbeath. The 400 kV substation at Spittal is established as part of reinforcement option PSDC. The 400 kV substation at Loch Buidhe is established as part of reinforcement option BLN4. \n","New second 400 kV cable transmission circuit from Elstree to St. Johns Wood in the existing tunnel, and carry out associated work, including modifying Elstree 400 kV and St. John’s Wood 400 kV substations. This will improve the power flow into London.","Reconfiguration of existing 275 kV circuits between Kincardine and Currie and Currie and Cockenzie via Smeaton and Kaimes, reprofiling one side of the existing overhead line double circuit to 400 kV operation.","Reconfigure the network between Stalybridge and Thorpe Marsh","Replace existing OHL conductor on the northern (Strathaven - Elvanfoot) section of the strategic north-south Strathaven - Harker (ZV route) corridor with high temperature low sag (HTLS) conductor.\n\n","Replace existing OHL conductor on the southern (Elvanfoot - Harker) section of the strategic north-south Strathaven - Harker (ZV route) corridor with high temperature low sag (HTLS) conductor.\n","Replace existing OHL conductor on the strategic east-west Strathaven - Smeaton (XH/XJ route) corridor with high temperature low sag (HTLS) conductor. \n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Replace some of the conductors in Norton to Osbaldwick 1 circuit with an even higher-rated conductor to increase the circuit’s thermal rating.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Replace some of the conductors in Norton to Osbaldwick 2 circuit with higher-rated conductors to increase the circuit’s thermal rating.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Replace the conductors in the Tilbury to Grain and Tilbury to Kingsnorth circuits with higher-rated conductors, and replace the associated cables with larger cables of a higher rating, including Tilbury, Grain and Kingsnorth substation equipment.","Replace the conductors in the limiting sections of the existing Bramford to Braintree to Bulls Lodge and Bulls Lodge to Rayleigh Main overhead line that have not already been reconductored with higher-rated conductors,","Replace the conductors of the newly formed Bramford to Braintree to Rayleigh Main circuit that have not already been reconductored with higher-rated conductors.","Replace the conductors on a short section of the existing circuit between Errochty and Clunie with higher capacity conductors","Replace the conductors on the existing circuit between Elstree and Sundon with higher capacity conductors\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Replace the conductors on the existing circuit between Feckenham and Hams Hall with higher capacity conductors","Replace the conductors on the existing circuit between Feckenham and Minety with higher capacity conductors\n\nThis project was previously recommened as part of Pathway to 2030.","Replace the conductors on the existing circuit between Grendon and Sundon with higher capacity conductors","Replace the conductors on the existing circuits between Carrington and Penwortham and Penwortham and Padiham with higher capacity conductors","Replace the conductors on the existing circuits between Hinkley Point, Taunton and Exeter with higher capacity conductors\n\nThis project had a Hold recommendation and is now recommended as Proceed - Critical.","Replace the conductors on the remaining sections of the Coryton South to Tilbury circuit, which have not recently been reconductored with higher-rated conductors. These would increase the circuit’s thermal rating.\n","Replace the conductors on the remaining sections of the Rayleigh to Tilbury circuit, which have not recently been reconductored with higher-rated conductors. These would increase the circuit’s thermal rating.\n\n","Superseded previously recommended CLNC, this project is also currently required to enable the development of a robust and reliable offshore network connection and will be reappraised in the detailed design stage","Superseded previously recommended CMNC","Supersedes previously recommended PTC1","Supersedes previously recommended PTNO","Supersedes previously recommended WCNC","The double circuit that runs from Norwich to Bramford would be reconductored with a higher-rated conductor.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","The existing Enderby – Patford Bridge – East Claydon 400 kV double circuit comprises of a combination of 4x400mm² Quad Zebra and 2 x 500mm² Rubus 400 kV overhead lines on L2/2 single circuit tower.\n","Thermal Upgrade of both Bramley to Melksham 400 kV circuits to allow them to operate at higher temperature and rating.","Thermal Upgrade of the Bramley to Fleet circuits to allow them to operate at higher temperatures, and increase their thermal rating.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Thermal upgrade of both Cellarhead to Drakelow 400 kV circuits to allow them to operate at higher temperature and rating.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Thermal upgrade of the Spennymoor to Norton circuits to allow them to operate at higher temperatures and increase their thermal rating.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Thermal upgrade of the Stella West to Spennymoor circuits to allow them to operate at higher temperatures and increase their thermal rating.","This ESO-led commercial solution provides benefit across boundaries B6 in Scotland and the north of England","This project had a Hold recommendation in the NOA2021/22 Refresh and continues to be recommended as Hold.","This project is also currently required to enable the development of a robust and reliable offshore network connection and will be reappraised in the detailed design stage","This project is currently required to enable the development of a robust and reliable offshore network connection and will be reappraised in the detailed design stage","This project is to reinforce the existing BSW/BSE Beauly - Shin - Loch Buidhe 132 kV double circuit overhead line with a higher capacity 400 kV double circuit overhead line\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","This project was previously recommended as part of Pathway to 2030.","This would improve the west region by proposing an alternative route to the generation located in North Wales.\n\nThis project had an HND Essential recommendation and is now recommended as Proceed - Critical.","To upgrade Wymondley, Waltham Cross and Tilbury from 275 kV to 400 kV, create new double circuit from Wymondley to Waltham Cross, and upgrade Waltham Cross to Tilbury 275 kV route to 400 kV.","Turn-in the Elstree to Sundon circuit 2, which currently passes the Elstree 400 kV substation, to connect to it and replace the conductor with a higher-rated conductor. This would ensure better load flow sharing and increase their thermal rating.\n","Upgrade the existing network to a higher voltage between Blackhillock and Kintore","Upgrade the existing network to a higher voltage between Harker and Stella West\nThis project is also currently required to enable the development of a robust and reliable offshore network connection and will be reappraised in the detailed design stage\n\n","Uprating of the 275 kV side of the existing Beauly-Denny circuit to 400 kV operation between SHE Transmission and SPT. Substation works will be required at Beauly, Fasnakyle, Fort Augustus, Kinardochy, Braco West and Denny North."]},{"attribute":"EISD","count":17,"type":"number","values":[2022,2023,2024,2025,2026,2027,2028,2029,2030,2031,2032,2033,2034,2035,2036,2037,2038],"min":2022,"max":2038},{"attribute":"FID","count":107,"type":"number","values":[1,10,100,101,102,103,104,105,106,107,11,12,13,14,15,16,17,18,19,2,20,21,22,23,24,25,26,27,28,29,3,30,31,32,33,34,35,36,37,38,39,4,40,41,42,43,44,45,46,47,48,49,5,50,51,52,53,54,55,56,57,58,59,6,60,61,62,63,64,65,66,67,68,69,7,70,71,72,73,74,75,76,77,78,79,8,80,81,82,83,84,85,86,87,88,89,9,90,91,92],"min":1,"max":107},{"attribute":"Failing","count":10,"type":"string","values":["2022","2027","2030","2031","2033","2034","2035","2036","2037","2041"]},{"attribute":"LDY","count":16,"type":"number","values":[2022,2023,2024,2025,2026,2027,2028,2029,2030,2031,2033,2034,2035,2036,2037,2038],"min":2022,"max":2038},{"attribute":"Leading","count":9,"type":"string","values":["2027","2030","2031","2033","2034","2035","2036","2037","2038"]},{"attribute":"Name","count":105,"type":"string","values":["A new 400 kV double circuit between the existing Norton to Osbaldwick circuit and Poppleton and relevant 275 kV upgrades","Add power control devices to the existing circuit between Drax and Thornton","Add power control devices to the existing circuit between Keadby and West Burton","Add power control devices to the existing circuit between Tilbury and Kingsnorth","Adjust the existing network to form a circuit from Kincardine North towards Strathaven and Smeaton using existing pylon routes","Blackhillock - Cairnford - Kintore 400kV upgrade.","Bramley to Fleet circuits thermal uprating","Build a new substation north of Kincardine and connect this to Denny North","Carry out thermal upgrading of the existing circuits between Creyke Beck, Keadby and Killingholme","Carry out thermal upgrading on the existing circuit between Bramley and Melksham","Carry out thermal upgrading on the existing circuit between Cottam and Market Harborough and Grendon","Carry out thermal upgrading on the existing circuit between Keadby and West Burton","Carry out thermal upgrading on the existing circuit between Osbaldwick and Thornton","Carry out thermal upgrading on the existing circuit between Stella West and Spennymoor","Carry out thermal upgrading on the existing circuit between Thurcroft and West Melton","Carry out thermal upgrading on the existing circuits between Tilbury to Grain and Tilbury to Kingsnorth","Carry out thermal upgrading to Bramford and Norwich substations","Cellarhead to Drakelow circuits thermal uprating","Commercial solution for Scotland and the north of England - stage 2","Elstree to Sundon reconductoring","Errochty - Clunie 132kV reconductoring.","Establish further connection capacity between Dounreay, Banniskirk (Spittal), and Thurso","Harburn to Gala North 400kV Double Circuit Addition","Harker to Stella West via Fourstones upgrade from 275kV to 400kV, installation of Quadrature Booster","Increase rating of power control devices installed on the existing circuit between Keadby and West Burton","Increase the capacity of the proposed HND1 West Coast offshore HVDC link between Scotland and Wales","New circuit across North West England","New circuit between Banniskirk (Spittal) and Carnaig (Loch Buidhe)","New circuit between Beauly and Coachford (Blackhillock 2)","New circuit between Bramford and Twinstead","New circuit between Carnaig (Loch Buidhe) and Beauly","New circuit between Chesterfield and Ratcliffe-on-Soar","New circuit between Coachford (Blackhillock 2) and Peterhead","New circuit between Creyke Beck and High Marnham","New circuit between Elstree and St John’s Wood","New circuit between New Deer and Greens (New Deer 2)","New circuit between North Lincolnshire and South Lincolnshire border","New circuit between North Wales and South Wales","New circuit between Wymondley and Waltham Cross and increase operating voltage of the network within the area","New circuit between south east Scotland and North West England","New circuit between south west Scotland and North West England","New circuit from Kintore to Emmock (Tealing) and upgrade elements of the existing Emmock to Westfield and Alyth to Emmock circuits","New circuit from north east Scotland to the Central Belt","New circuit in North Wales with a higher capacity then was previously recommended","New circuit in north East Anglia","New circuit in south East Anglia","New circuit within South East England","New offshore HVDC link between East Scotland and the East of England (Eastern Green Link 4)","New offshore HVDC link between Peterhead and Drax (Eastern Green Link 2)","New offshore HVDC link between Peterhead and the East Coast of England (Eastern Green Link 3)","New offshore HVDC link between Torness and Hawthorn Pit (Eastern Green Link 1)","New offshore circuit between Banniskirk (Spittal) and Longside (Peterhead 2)","New offshore circuit between Suffolk and Kent","New transmission capacity between the South Lincolnshire, Cambridgeshire and North West Norfolk boundary to Hertfordshire","Power flow control devices along Thorpe Marsh to West Melton 1 275kV circuit​","Reconductor Bramford to Norwich double circuit","Reconductor Grendon to Sundon 400kV double circuit","Reconductor a short span of the Norton-Osbaldwick 1 400kV circuit","Reconductor a short span of the Norton-Osbaldwick 2 400kV circuit","Reconductor remainder of Bramford to Braintree to Rayleigh route","Reconductor remainder of Coryton South to Tilbury circuit","Reconductor remainder of Rayleigh to Tilbury circuit","Reconductor the Feckenham to Minety 400kV circuit","Reconductor the Hinkley Point to Taunton to Exeter 400kV circuits","Reconductor the existing 400 kV single circuit which runs from Feckenham to Hams Hall","Reconductor the newly formed second Bramford to Braintree to Rayleigh Main circuit","Recondutor Carrington - Penwortham & Padiham - Penwortham 400kV circuits","Reconfigure Stalybridge - Thorpe Marsh 400kV circuit","Refine one of the proposed offshore HVDC link planned between Scotland and Eastern England with a third connection into Lincolnshire","Replace the conductors on the existing circuit between Barking and West Ham with higher capacity conductors","Replace the conductors on the existing circuit between Bramley and Fleet with higher capacity conductors","Replace the conductors on the existing circuit between Bramley and Melksham with higher capacity conductors","Replace the conductors on the existing circuit between Cottam and Keadby with higher capacity conductors","Replace the conductors on the existing circuit between Drax and Fenwick Tee with higher capacity conductors","Replace the conductors on the existing circuit between Elstree and Sundon with higher capacity conductors and connect into the Elstree Substation","Replace the conductors on the existing circuit between Elvanfoot and Harker with higher capacity conductors","Replace the conductors on the existing circuit between Enderby and Patford Bridge and East Claydon with higher capacity conductors","Replace the conductors on the existing circuit between Feckenham and Ironbridge with higher capacity conductors","Replace the conductors on the existing circuit between Feckenham and Walham with higher capacity conductors","Replace the conductors on the existing circuit between Lackenby and Norton with higher capacity conductors","Replace the conductors on the existing circuit between Norton and Osbaldwick with higher capacity conductors","Replace the conductors on the existing circuit between Pentir and Trawsfynydd with a higher capacity then was previously recommended","Replace the conductors on the existing circuit between Spennymoor to Norton with higher capacity conductors","Replace the conductors on the existing circuit between Spennymoor to Stella West with higher capacity conductors","Replace the conductors on the existing circuit between Strathaven and Elvanfoot with higher capacity conductors","Replace the conductors on the existing circuit between Strathaven and Smeaton with higher capacity conductors","Replace the conductors on the existing circuit between West Burton and Ratcliffe-on-Soar with higher capacity conductors","Replace the conductors on the existing circuits between Brinsworth and Thorpe Marsh, Brinsworth and Chesterfield, and Chesterfield and Ratcliffe with higher capacity conductors","Replace the conductors on the existing circuits between Carrington and Daines with higher capacity conductors","Replace the conductors on the existing circuits between Hawthorn Pit and Norton with higher capacity conductors","Spennymoor to Norton circuit thermal uprating","Upgrade and/or rebuild the circuits and equipment between Longside (Peterhead 2), Peterhead, Persley, Kintore, Fetteresso, Alyth, and Kincardine","Upgrade existing circuits and establish a new route between Bonnybridge and Glenmavis","Upgrade the circuit between Kincardine to Wishaw, including increasing elements to a higher voltage","Upgrade the existing Mersey ring of circuits and substations to allow for more capacity (Phase 1 of 2)","Upgrade the existing Mersey ring of circuits and substations to allow for more capacity (Phase 2 of 2)","Upgrade the existing circuits between Brinsworth and Thorpe Marsh to allow for more capacity","Upgrade the existing circuits between Eggborough and Thorpe Marsh to allow for more capacity","Upgrade the existing circuits between Lackenby and Thornton to allow for more capacity","Upgrade the existing network between Windyhill, Lambhill and Denny North, including increasing elements to a higher voltage"]},{"attribute":"Recommenda","count":6,"type":"string","values":["Enabling works","HND essential option","Hold","Proceed","Proceed - Critical","Proceed - Maintain"]},{"attribute":"Regions","count":29,"type":"string","values":["Central and Southern Scotland","Central and Southern Scotland, East of England","Central and Southern Scotland, North East England","Central and Southern Scotland, North West England","Central and Southern Scotland, North of Scotland","Central and Southern Scotland, Wales","East Midlands","East Midlands, East of England","East Midlands, East of England, Yorkshire and Humber","East Midlands, London","East Midlands, North of Scotland","East Midlands, Yorkshire and Humber","East of England","East of England, London","London","North East England","North East England, North West England","North East England, Yorkshire and Humber","North West England","North West England, Yorkshire and Humber","North of Scotland","North of Scotland, Yorkshire and Humber","South East England","South East England, South West England","South West England","South West England, West Midlands","Wales","West Midlands","Yorkshire and Humber"]},{"attribute":"Shape__Len","count":99,"type":"number","values":[101144.03492812131,101144.04916984624,102263.74618347018,103454.89478264764,108114.31546402352,109639.60339315388,111135.39550951844,111234.8897285085,116978.37652369856,12044.500022606113,1214366.7090301826,125473.43407441299,128398.02441661655,129428.51304701316,1300.0508364843972,130245.01416015679,130278.06536437267,130389.13046749998,130389.20012777956,130955.14330482525,131742.3551984418,132037.76830373605,132269.47460487933,132835.93275363735,132922.02852208854,134052.84787149407,136834.9482899442,140403.31632490427,141721.48233843205,142208.82156982002,144073.5337682542,146539.57331459242,146827.49840270667,14912.648930440597,150589.4431232063,15286.487623109062,155205.52447232037,159363.10394010702,159688.70590760125,166040.13514446278,168958.29143041698,175680.4549350887,18541.35352083382,186340.953275447,210242.930192358,212949.40611383595,219463.33653512615,22335.50179157308,27672.96286919498,277831.7546341279,28040.403681188895,28277.960356955504,28476.832703675187,28718.57055178171,296459.2620172307,297982.22336966975,30821.878019832846,31303.830763221486,316660.10813354934,31844.297774580005,34109.62218843318,3603.621496036606,37144.923133080716,37255.85394941002,374319.0552515436,38349.835961176854,38746.18366516159,400275.1403226527,41132.442021445895,419224.165907992,4542.47642125385,47072.53510676667,47355.92259167108,47471.68767705997,47795.33703566042,49018.38542035292,49825.01332193732,53248.037301082506,56105.125915068944,57279.624746288195,58109.045335914634,586859.8796352531,60483.03756858262,61235.78290403293,64984.98538205636,65613.03271563431,70454.05956816487,70724.4311885717,708.026186889374,74254.84151705883,78047.11931788774,7908.600410116895,84002.17055536095,84947.30163180042,89612.10144537824,91594.64506280079,930180.9369508559,94240.95425996883,980607.3262337367],"min":708.026186889374,"max":1214366.7090301826},{"attribute":"Status","count":7,"type":"string","values":["0 - Project not started","1 - Scoping","2 - Strategic Optioneering","3 - Design/development and consenting","4 - Planning/consenting","5 - Construction","6 - Built"]},{"attribute":"System_T","count":9,"type":"string","values":["2027","2031","2033","2034","2035","2036","2037","2038","2039"]},{"attribute":"Type","count":7,"type":"string","values":["Existing network reconfiguration","Existing network upgrade","New network upgrade","New offshore circuit","New onshore circuit","Refine previous option","Refine previous option\n"]},{"attribute":"data_source","count":1,"type":"string","values":["NESO"]},{"attribute":"date","count":14,"type":"number","values":[1704067200000,1735689600000,1767225600000,1798761600000,1830297600000,1861920000000,1893456000000,1924992000000,1988150400000,2019686400000,2051222400000,2082758400000,2114380800000,2145916800000],"min":1704067200000,"max":2145916800000},{"attribute":"date_added","count":1,"type":"string","values":["2025-01-24T11:26:54.200"]},{"attribute":"date_imported","count":1,"type":"string","values":["2025-07-09T13:51:55.658"]},{"attribute":"end_date","count":1,"type":"number","values":[2208988800000],"min":2208988800000,"max":2208988800000},{"attribute":"year_num1","count":14,"type":"number","values":[2024,2025,2026,2027,2028,2029,2030,2031,2033,2034,2035,2036,2037,2038],"min":2024,"max":2038},{"attribute":"year_num2","count":1,"type":"number","values":[2040],"min":2040,"max":2040}]},{"layer":"energy_neso_new_substations_upgrades_gb","count":425,"geometry":"Point","attributeCount":24,"attributes":[{"attribute":"Boundaries","count":22,"type":"string","values":["B1aE; B1aF; B1aI; B2E; B2F; B2I; B4E; B4F; B4I; B5","B4E; B4F; B4I","B6E; B6F","B6E; B6F; B6I; B7aE; B7aI","B6E; B6I; B6F","B6I; B7aI; B8; B9","B7a, B8","B7aE; B7aI","B7aE; B7aI; B7aF","B7aE; B7aI; B8","B7aE; B7aI; B9","B7aI","B8","B9; EC5E; LE1","EC5E","EC5E; EC5I","EC5E; EC5I; LE1","EC5E; EC5I; LE1; SC1Rev","EC5E; LE1","LE1; SC1.5Rev; SC1Rev; SC2Rev","NW2","SC2; SC2Rev"]},{"attribute":"CODE","count":34,"type":"string","values":["BFPC","BMM2","CDP1","CDP2","CDP3","CS05","CS07","CS08","CS11","CS12","CS20","CS21","CWPC","DNEU","DREU","ECSC","HAE2","HAEU","MRP2","NEMS","NEP1","NEPC","PEM1","PEM2","PWMS","RHM1","RHM2","SEEU","SHNS","TFPC","TMC2","TMCF","WSEU","WYTI"]},{"attribute":"Consumer","count":4,"type":"string","values":["2024","2034","2035","2037"]},{"attribute":"Descript_1","count":2,"type":"string","values":["following transmission system faults.","under a double circuit loss of the Alyth to Kincardine 400 kV double circuit."]},{"attribute":"Descript_2","count":2,"type":"string","values":["\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","(Previously recommended in Network Options Assessment 2021/22 Refresh)"]},{"attribute":"Descriptio","count":25,"type":"string","values":["(Previously recommended in Network Options Assessment 2021/22 Refresh)","Banking of existing transformers supergrid transformer 5 and supergrid transformer 9A at Harker substation and connecting directly to the Fourstones – Harker 275 kV circuit to help alleviate overloading of supergrid transformers","Install a power control device along the Blyth to Tynemouth and Blyth to South Shields 275 kV overhead line route. This would improve the capability to control the power flows from north to south of the transmission network.\n","Install a power control device along the Bramley to Fleet 400 kV overhead line route. This would improve the capability to control the power flows across the South Coast of the transmission network","Install a power control device along the Cellarhead to Drakelow 400 kV overhead line route. This would improve the capability to control the power flows from north to south of the transmission network.\n\n","Install a power control device along the Cottam to West Burton 400 kV overhead line route. This would improve the capability to control the power flows from north to south of the transmission network.\n","Install a power flow control device on the Tealing to Westfield 275 kV circuit 1 at Tealing substation to optimise the power flow across the Tealing to Westfield 275 kV double circuits 1 and 2,","Install a second 400/275kV transformer at Denny North 400kV Substation.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Install additional alternative power control devices along the Cellarhead to Drakelow 400 kV overhead line route. This would improve the capability to control the power flows from north to south of the transmission network.\n","Install additional power control devices at both Harker and Penwortham. This would improve the capability to control the power flow in both these areas of the transmission network.\n\n","Install an additional power control device along the Blyth to Tynemouth and Blyth to South Shields 275 kV overhead line route. This would improve the capability to control the power flows from north to south of the transmission network.","Install new MSCs at Burwell Main which will provide voltage support to the East Anglia area as system flows increase in future.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","One new 225 MVAr switched capacitor (MSC) at Pelham would provide voltage support through East Anglia and North London as system flows increase in future.","One new 225 MVAr switched capacitors (MSCs) at Rye House would provide voltage support through East Anglia and North London as system flows increase in future.","Provide a new communications system, and other equipment, to allow existing reactive equipment to be switched in or out of service very quickly following transmission system faults. This would allow better control of system voltages following faults.","Replacing an existing transformer at Harker substation with a new one of higher rating to prevent overloading following transmission system faults.\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)","Subject to recommendations of East Anglia Network Study and OCSS recommendation","This ESO-led commercial solution provides benefit across boundaries B6 in Scotland and the north of England","This ESO-led commercial solution provides boundary benefit across the East Anglia boundary","This ESO-led commercial solution provides boundary benefit across the north of England","This ESO-led commercial solution provides boundary benefit in the north of Wales","This reinforcement is to replace generator owned circuit breakers with higher-rated equivalents including substation equipment. This would allow higher fault levels, which in turn improves load sharing on circuits connecting to the substation.\n","Three new 225 MVAr switched capacitors (MSCs) at Norton, Osbaldwick and Stella West 400 kV substations would provide voltage support to the east side of the transmission network as system flows increase in future.","Two new 225 MVAr switched capacitors (MSCs) at Penwortham substations would provide voltage support around Mersey area as system flows increase in future.","Upgrade the 400 kV Sundon and Wymondley substation equipment to increase its thermal capacity, supporting future load flow within the area\n\n(Previously recommended in Network Options Assessment 2021/22 Refresh)"]},{"attribute":"EISD","count":10,"type":"number","values":[2022,2023,2024,2025,2026,2027,2028,2030,2031,2032],"min":2022,"max":2032},{"attribute":"FID","count":36,"type":"number","values":[1,10,11,12,13,14,15,16,17,18,19,2,20,21,22,23,24,25,26,27,28,29,3,30,31,32,33,34,35,36,4,5,6,7,8,9],"min":1,"max":36},{"attribute":"Failing","count":3,"type":"string","values":["2024","2025","2034"]},{"attribute":"LDY","count":12,"type":"number","values":[2022,2023,2024,2025,2027,2028,2029,2030,2031,2033,2034,2037],"min":2022,"max":2037},{"attribute":"Leading","count":2,"type":"string","values":["2025","2034"]},{"attribute":"Name","count":34,"type":"string","values":["Add power control devices to the existing circuit between Cellarhead and Drakelow","Add power control devices to the existing circuits between Blyth and Tynemouth and Blyth and South Shields","Additional power control devices at both Harker and Penwortham","Commercial solution for East Anglia - stage 1","Commercial solution for East Anglia - stage 2","Commercial solution for Scotland and the north of England - stage 1","Commercial solution for north of Wales - stage 1","Commercial solution for north of Wales - stage 2","Commercial solution for the north of England - stage 1","Commercial solution for the north of England - stage 2","Connect the existing circuit between Pelham and Sundon that passes Wymondley substation into the substation","Denny North 400/275 kV second supergrid transformer","Further increase rating of power control devices installed on the existing circuit between Cellarhead and Drakelow","Generator circuit breaker replacement to allow Thornton to run a two-way split","Harker supergrid transformer 5 and supergrid transformer 9A banking arrangement","Harker supergrid transformer 6 replacement","Increase rating of power control devices installed on the existing circuit between Cellarhead and Drakelow","Install further voltage support equipment at Pelham","Install further voltage support 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