Fig A1.1 Existing Power Stations.Cdr

Electricity Ten Year Statement 2012

Appendix A1

System Maps

CONTENTS

Figure A.1.1 – GB Existing Power Stations

Figure A.1.2 – GB Existing Transmission System (Geographical)

Figure A.1.3 – GB Existing Transmission System (Schematic)

Figure A.1.4 – GB Transmission System Boundaries

Figure A.1.5 – GB Reactive Compensation Plant

Figure A1.1: GB Existing Power Stations

PLANT TYPE

Baillie & Bernaheig NUCLEAR

Causeymire COAL

Buolfruich Cassley OIL & OCGT Gordonbush Moray Firth

Rosehall Lairg Kilbraur CCGT/CHP Lairg-Achany

Shin HYDRO/PUMPED

Beinn Tharsiun STORAGE

Grudie Bridge Mossford Novar WIND Conon Luichart Orrin Boyndie Fairburn Deanie Cairn Uish OTHER Ben Aketil Culligran Edinbane Aigas Glens of Foundland Peterhead Kilmorack Hills of Towie Dummuies SUBSTATIONS Fasnakyle Torr Achil Stoneywood Paul's Hill Millennium Glen Livishie Morrison Foyers Caennacroc Farr Glendoe

Invergarry Quoich

Kinlochleven Errochty Power Station Tullo Rannoch Clunie Drumderg Firth of Forth Tummel Bridge Argyll Array Cashlie Pitlochry Lochay

Finlarig Inverawe Cruachan St. Fillans Clachan Nant Ardkinglas Griffin Sloy Braes of Doune An Suidhe Exxon Mossmorran Earlsburn Longannet

Cruach Mho Cockenzie Grangemouth Torness Islay Aikengall Dun Law Crystal Rig Hunterston 1 & 2 Extension Toddleburn Gigha Blacklaw

Bowbeat Long Park Deucheran Whitelee Beinn an Tuirc Caledonian Paper Mill Dogger Bank Tangy Farm Clyde North

Clyde South Hadyard Hill Lynemouth Steven’s Croft Moyle Mark Hill Minsca Far To Northern Ireland Dalswinton Arecleoch

Tongland

Hartlepool

Robin Rigg Wilton Sellafield Teeside

Ormonde Hornsea Roosecote Heysham Walney I & II

Barrow Irish Sea

Drax Ferrybridge Saltend East - West To Ireland Eggborough Killingholme Keadby Immingham Burbo Bank Brigg South Humber Bank Wylfa Gwynt y Mor North Hoyle Rhyl Flats Fiddlers West Burton Shotton Paper Ferry Cottam Connahs Quay CDCL Rocksavage Inner Dowsing Deeside Dinorwig Lynn Sherringham Shoal Norfolk Staythorpe Ffestiniog Derwent

Spalding Sutton Bridge Ratcliffe-on-Soar Kings Lynn Ironbridge Rugeley

Corby Scoby sands Great Yarmouth

Sizewell B

Little Barford

Peterborough Greater Gabbard 500MW

Rye House Pembroke Brimsdown Gunfleet Sands I&II BitNed To Netherlands London Array Baglan Bay Severn Power Taylors Lane Coryton Didcot Barking Uskmouth Tilbury Medway Seabank Littlebrook Thanet Grain Damhead Creek Bristol Channel Barry Aberthaw Kingsnorth

Hinkley Point B

Marchwood Dungeness

Shoreham IFA Fawley To France Cowes Hastings Langage

Indian Queens

Isle of Wight Figure A1.2: GB Existing Transmission System

400kV Substations 275 kV Substations 132kV Substations

400kV Circuits 275kV Circuits 132kV Circuits

Interconnectors

Dounreay Thurso Major Generating Sites Including Pumped Storage

Mybster Connected at 400kV

Cassley Moray Firth Connected at 275 kV Stornoway Dunbeath Hydro Generation

Lairg

Brora Shin

Grudie Bridge Mossford Alness Conon Fraserburgh Luichart Orrin Elgin Macduff Ardmore St. Fergus Deanie Keith Culligran Dingwall Strichen Nairn Blackhillock Aigas Kilmorack Inverness Dunvegan Peterhead Beauly Fasnakyle Knocknagael Dyce Kintore Persley Glen Braodford Morrison Woodhill Willowdale

Caennacroc Foyers Boat of Clayhills Fort Augustus Garten Tarland Craigiebuckler Redmoss Invergarry Quoich

Fiddes

Fort William Errochty Power Station Errochty Rannoch Clunie Firth of Forth Tummel Bridge Tealing Cashlie Dudhope Arbroath Lochay Lyndhurst Milton of Graigie

Taynuilt Killin Charleston Dalmally Finlarig Dudhope Cruachan Burghmuir Glenagnes St. Fillans Nant Clachan Inverarnan SCOTTISH HYDRO-ELECTRIC Cupar Inveraray Sloy TRANSMISSION Glenrothes Leven Devonside Westfield Redhouse Whistlefield Kincardine Stirling Dunfemline Glenniston Helensburgh Mossmorran Port Ann Longannet Inverkeithing Grangemouth Cockenzie Dunbar Dunoon Spango Bonnybridge Telford Rd.Shrubhill Broxburn Gorgie Portobelllo Valley Strathleven Windyhill Bathgate Torness Cumbernauld Whitehouse Inverkip Erskine Lambhill Crystal Rig Devol Easterhouse Smeaton Moor Coatbridge Livingston Newarthill Currie Kaimes Clydes Mill Neilston Berwick Hunterston Strathaven Black Law Dunlaw Extension Marshall Meadows Busby East Kilwinning Whitelee Wishaw Kilmorack Kilbride Saltcoats Town Whitelee ExtnSouth Linmill Eccles Meadowhead Carradale SP TRANSMISSION LTD Kilmarnock Coalburn South Ayr Clyde (North) Dogger Bank Coylton Elvanfoot

Clyde (South) Maybole

Kendoon Carsfad Markhill To Northern Ireland Glenlee Gretna Blyth Arecleoch Earlstoun Dumfries Ecclefechan Auchencrosh Fourstones Newton Stewart Tynemouth Chapelcross Harker South Shields Stella West Tongland West Boldon Glenluce Offerton Hawthorne Pit Hartmoor Spennymoor Hartlepool Saltholme Tod Point Wigtown Bay Teeside Norton Robin Rigg Greystones Grangetown Lackenby

Hutton Hornsea Ormonde

Walney I & II Quernmore Osbaldwick Heysham Knaresborough West of Duddon Barrow Bradford Thornton West Kirkstall Skelton Poppleton Creyke Beck Westermost Rough Irish Sea Stanah Padiham Grange Monk Fryston Saltend Shell Flats North Hedon Penwortham Drax Humber Gateway Elland Saltend South Eggborough Rochdale Ferrybridge To Ireland To Ireland Washway Keadby Humber Refinery Burbo Bank Farm Kearsley Templeborough Thorpe Whitegate Killingholme Triton Knoll Kirkby West Marsh South Stalybridge Melton Humber Grimsby West Gwynt y Mor Carrington Pitsmoor West Wylfa Rainhill Stocksbridge Aldwarke Bank Winco Bank Burton Bredbury Neepsend Thurcroft Rhyl Flats Fiddlers North Hoyle Daines Sheffield City Ferry Cottam Race Bank Jordanthorpe Brinsworth Inner Dowsing Dudgeon Capenhurst Frodsham Bodelwyddan Norton Lees Pentir Macclesfield Chesterfield Lincs Deeside High Dinorwig South Manchester Marnham Sherringham Shoal Lynn Norfolk Staythorpe Docking Shoal Legacy Ffestiniog Cellarhead Stoke Bardolph Bicker Fenn Ratcliffe Willington on Soar Trawsfynydd

Drakelow Walpole Rugeley Spalding North Ironbridge Norwich Main Bushbury Scoby sands Willenhall Bustleholm Shrewsbury Penn Enderby Nechells Hams Hall Ocker Hill Coventry Oldbury Kitwell Berkswell

Burwell Main Sizewell Feckenham Grendon Bishops Wood Eaton Socon

Patford Bramford Bridge Greater Gabbard 500MW Sundon East Claydon Pelham Braintree Wymondley Leighton Buzzard Greater Gabbard 2nd part Rassau Walham Waltham Rye House Cross Imperial Brimsdown Park Gunfleet Sands I&II Cowley Swansea North Watford Elstree Hackney To Netherlands Pembroke Amersham Main London Array Cilfynydd Culham Tottenham Redbridge Rayleigh Main Baglan Bay Mill Hill Warley Upper Boat Uskmouth Minety Didcot Margam Iron Acton Willesden Barking Coryton Alpha Steel Whitson Iver Ealing Pyle West Ham West Thurrock City Rd Tilbury Grain Cowbridge Hurst Seabank St Johns Kentish Flats Wood Thanet Laleham New Northfleet Kingsnorth Tremorfa East Chessington Cross Singlewell Kemsley Cleve Hill Bristol Channel Aberthaw Cardiff Melksham East Bramley West Weybridge Rowdown Littlebrook Beddington Fleet Canterbury Wimbledon North Hinkley Point Sellindge Bridgwater Alverdiscott Bolney Taunton Nursling Dungeness Mannington Marchwood Lovedean Ninfield Axminster Fawley Botley Wood Exeter To France

Chickerell Hastings

Langage Abham

Indian Queens Landulph

Isle of Wight NATIONAL GRID SP TRANSMISSION SHE TRANSMISSION NW2 NW4 NW3 B12 B9 NW2 B7a B1 NW4 B3 B8 B2 NW1 NW3 B3 B7 B6 B1 B4 B16 1 FE A TAY NW1 PORT FOR N R

SU D N I ED B5 DINOR B SC1 B13 B10 N N U A O R MOYLE T U VER I N U A D C S

I I W A N C R V L C H T H A N B T H EGA D I R AR E D L AR N E AN M WIG A F LI N O TRA O TH R AM C A E N R R AD R Y E L KILMORACK MA D CULLIGRAN A O E K WSFYNYDD A YR S N VE ILW R L KI PENTIR H DEANIE E E K AIGAS W LMAR N AL I H 1 N T SHREWSBUR 2 BAGLAN SW ILL H VERDISCOTT O N U N BA I INDIAN QUEENS N GLEN N ANSEA

N IRONBRIDGE S I ME 1 N COWBRIDGE G T Y OC T VER E BISHOPS E R AD W 2 K WOOD MARGAM S PEMBROKE BODEL FFESTINIOG LU A T S OW WYLF K NOR BIRKENHEAD KIRKBY R W O OU IP PYLE C T N H LISTER Y E MOSSFORD DRIVE C HEAD LUICHAR D I TH GLEN STLEFI WYDDAN 2 OYL 1 U SLO TH A D LANDULPH BRIDGE GRUDIE N ORRIN EV O FOR T 1 Y O OLMOOR K 3 KI 1 2 LEE ON B17 D 1 2 H N EN 2 E T L EV AD LD M T MA W ABER 1 D

AR OLMOOR

H O I Y AU 1 N 1 T 2 1 1 LANGAGE 1 YB U O C AR 2 2 GLEN ON D N N FA GU N R Y KI O THA OC T D U H E G LE 2 2 LLIN SN

A 1 2 ST 2 H R I BUSHBUR LA L H K CAPENHURST PENN CARDIFF C CASSLEY 2 1 D ILL W S L A E U S H T OE UPPER EAST N ABHAM 2 1 L KYLE BOA LAIRG 2 O S OU AN E D 1 1 N BEA N 1 2 EIRGRID KITWELL TH S W 2 T 1 2 1 B 2 EXETER ASHW USKMOUTH D F 1 U U Y I W ARM D N U R L N CILFYNYDD Y M ALMA VER G I EI N TREMORF H F 2 D LST LEGACY FRODSHAM 2 3 A 2 R 1 2 C 1 2 T 1 1 Y WHITSON Y E W AR H I AUNT H ES LL AST A BR ON H I AXMINSTER L N PE H 2 2 I 2 1 DEESIDE 1 1 D Y 2 BR K L T 4 ER AN AGGS 1 A RAINHILL R N E

L OCKER KI ON HILL C FO U O C L A WIND F F S A FIDDLERS ST O LBR E M EH C R ARR KI GOV YER HINKLEY E FERR C O K R ANAH WILLENHALL 2 N

POINT N H RASSAU EAD S E 2 1 OA RUGELEY CARRINGT I E AG A SH S P OLDBUR D X CHICKERELL S P AI A ARM D T E S BU E Y 1 N I A BUSTLEHOLM

GI SL N C P L E BRIDGW A S OU H ER ACT F L 2 INVERNESS 1 E IRON 2 ALNESS 1 BRORA R BY AR FN 2 NAIRN C Y GAR BOA E K R TH HEYSHAM W O D Y IMPERIAL LAMB L OC LOTTE OC ON 2 ON EA A P ALLAS VA ES 2 W 1 T ARK TEN L MANNINGT OF H B 2 K ST H SEABANK N T 1 A TY U PORT

I TER 1 FOOT H G 2 2 1 TELEE 1 1

KEARSLEY W R MARCHWOOD DAINES K ILL EO ELGIN STR PENWOR N GLEN ILBR 1 ALHAM 2 STR HUTT R D DRAKELOW CELLARHEAD

2 D A G EET FECKENHAM I L U E FAR A D 2 1 M ON B13

N TH E S 1 NECHELLS 1 A ON D T MACCLESFIELD R THAM DUNBEA C ROCHDALE A R AS MANCHESTER N 1 2 L GR V C E ST F NURSLING A O KE SOUTH E ET LYD A MELKSHAM P 2 MYBSTER S C 2 ETN 2 2 MINETY N AL WLEY ADIHAM 1 B ITH K LON LAC YBRIDGE E' WHITEGA TH A 1 S 2 1 1 1 2 GAN 1 K MIL WILLINGT 2 H C I C HARKER 2 L N L L THURSO BREDBUR L LOC 1 Y ET Y E TE BON D 1 AS D 2 1 2 E E D K 1

T BERKSWELL N 2 2 1 N O ON EAST SOU W ER N ELLAND HALL HAMS OR EWAR U K BRAMLEY YB I 1 1 BOTLEY 2 SH 2 C CULHAM JET FLEET IN N H COWLEY BLAC WOOD LOVEDEAN Y TH DIDCOT OA TH R O R BRADFORD T H A KI EA U COVENTR OR I A D W TBR 1 2 S TH WEST N W GE B 2 1 E AMERSHAM Y K C E 2 1 L I L I AR C LL AC A I C MAIN D K W U GE FOURST D K R I L NEEPSEND N Y R A SHEFFIELD WEYBRIDGE E W I E LALEHAM WEST CITY ONES 2 1 S IGH B1 FERR 2 2 C GALA 1 KAI 1 1 O KIRKST TH U SKEL CHESSINGT 1 G YBRIDGE ME P ST I TA GRANGE NOR LL CLA EAST 2 SH R AR 2 WINCOBANK W 2 IVER A OCKSBRIDGE S PITSMOOR R N E IE D BUZZARD LEIGHT ALL

2 YDON LAN G 1 STFIE TEALI A T EWAR EALING 1 ON L BRIDGE P E 1 2 ON LEES N 1 S A M STELLA W GU TFORD 2 D WEST O BOLNEY H U N L 1 S 2 I ON ON 2 PERSLEY

T W D TE G PLA FR H ENDERBY 1 SOUTH STI A MONK KNARESBOROUGH 1 2 2 1 H EXTENSION DUNLA TFORD YST WIMBLEDON OUSE C BU 2 WILLESDEN TEMPLEBOROUGH 1 R E SH LIN JORDANTHORPE 2 ON BEDDINGT R G R G C G SMEA 1 2 W L U H RYS 2 1 MILL 2 E 1 SPENNYMOOR BH MU ALDW BRINSWOR N C 2 1 FI 1 BR 1 1 1 2 1 R 1 R I T 2 D L I O HILL T 2 WEST R A AL NEW CROSS C L E D ON T P I ON C W H GI 1 PORT ARKE H ES 2 2

ETER 2 2 OSBALDWICK R D SUNDON 1 H A E ST E E ELSTREE I EV 1 I R S G M STFIE POPPLET B N MEL 2 .JOHNS ON SOAR RA LES 1 BL NINFIELD O 1 U

WOOD ON 1 1 BRIMSDOWN

B17 TH O C GR B12 H S C 1 TCLIFFE YTH AB B S O 2 EAD K T T S M ELLO C L 2 I 2 L ON ON Figure 2 E D W I R E O D D ER B10 KE C CROSS 1 T 2 YE HOUSE R R AL E OTTENHAM MOBIL ST C 2 T R N ON CHESTERFIELD THORNT N THURCROFT 1 2 OR A 1 THAM 2 L GRENDON ETH . FERGUS ZI 2 1 E N 1 2 2 1 S E GRANGE PETERHEAD HURST EGGBOROUGH N ROAD CITY Y ES W 1 TYNEMOUTH 1 2 S LEVE ST 2 ON 2 1 1 THORPE 2 4 MARSH . FERGUSGAS 1 AR 1 STRICHEN 1 3 2 2 GLEN BARDOLPH ST N WYMONDLEY MAIN 2 B 1 ROWDOWN 2 OKE MI R B15 NOR 2 1 2 DUNGENESS E O HACKNEY L N DRAX 1 1 2 1 FRASERBURGH A T I ST 2 1 ON T T A1.3: GBExistingT H REDBRIDGE ON 2 HAM WEST 2 1 ON OFC ST SHIELDS MARNHAM SOUTH SOCON EA 2 1 A C R HIGH YTHORPE 1 2 GREYST U 2 T ED R LITTLEBROOK BARKING ON P LACKENBY 1 1 2 A AR 2 1

WEST B14/B14e W H IGI PELHAM 1 2 OU BRAINTREE 1 2 ARLEY E BARKING ONES SE B4

THURROCK BOLDON 1 B2 KEADBY 1 2 WEST BECK CREYKE 2 T (270kV DC) OD POINT SELLINDGE BUR BRAMFORD MAIN 1 1 E deF 1 1 TILBUR WELL 2 2 2 EAST NOR 2 OFFER SINGLEWELL COTT Y 1 1 2 KILLINGHOLME 2 THFLEET 1 AM T ON NOR SAL 2 SAL WEST SP KINGSNOR TEND KEMSLEY TH 1 NOR REFINER HUMBER ALDING THOLME BUR CANTERBUR TH 2 1 B5 2 RA NOR 2 T 2 HAR Y TH ON YLEIGH MAIN 1 NOR TH 1 TLEPOOL W MAIN SAL HEDON ALPOLE GRAIN WICH Y BICKER FENN TEND 2 COR ransmission System BANK HUMBER SOUTH 1 SIZEWELL YT HA B6 HAR EC3 CLEVE GRIMSBY ON HILL BRITNED indicated onthisdiagram Note: Notallradial132kVcircuitsare WTHORN WEST PIT Legend EC7 TMOOR B15 EC6 EC5 SC1 EC1 B7 System Boundaries 132kV Substation 275kV Substation 400kV Substation 132kV Circuit 275kV Circuit 400kV Circuit B16 B1 EC7 1 EC5 B8 B7a B9 Figure A1.4:Figure GB A1.2: Transmission GB Transmission System Boundaries System

400kV Substations 275 kV Substations 132kV Substations

400kV Circuits 275kV Circuits 132kV Circuits

Interconnectors

Dounreay Thurso Major Generating Sites Including Pumped Storage

Mybster Connected at 400kV Cassley Moray Firth B1 Connected at 275 kV Stornoway Dunbeath Hydro Generation

Lairg

Brora Shin

Caennacroc Foyers Boat of Clayhills Fort Augustus Garten Tarland Craigiebuckler Redmoss Invergarry Quoich

Fiddes

Fort William Errochty Power Station Errochty B2 Rannoch Clunie Firth of Forth Tummel Bridge Tealing Cashlie Dudhope Arbroath B4 Lochay Lyndhurst Milton of Graigie

Taynuilt Killin Charleston Dalmally Finlarig Dudhope Cruachan Burghmuir Glenagnes St. Fillans B5 Nant Clachan Inverarnan B1 SCOTTISH HYDRO-ELECTRIC Cupar Inveraray Sloy TRANSMISSION Glenrothes Leven Devonside Westfield Redhouse Whistlefield Kincardine Stirling Dunfemline Glenniston Helensburgh Mossmorran Port Ann Longannet Inverkeithing Grangemouth Cockenzie Dunbar Dunoon Spango Bonnybridge Telford Rd.Shrubhill Broxburn Gorgie Portobelllo Valley Strathleven Windyhill Bathgate Torness Cumbernauld Whitehouse B6 B2 Erskine Crystal Rig Inverkip Lambhill Devol Easterhouse Smeaton Moor Coatbridge Livingston Newarthill Currie Kaimes Clydes Mill Neilston Berwick Hunterston Strathaven Black Law Dunlaw Extension Marshall Meadows Busby East Kilwinning Whitelee Wishaw Kilmorack Kilbride Saltcoats Town Whitelee ExtnSouth Linmill B3 Eccles Meadowhead Carradale SP TRANSMISSION LTD Kilmarnock Coalburn South Ayr Clyde (North) Dogger Bank Coylton Elvanfoot EC7 Clyde (South) B3 Maybole Kendoon Carsfad Markhill To Northern Ireland Glenlee Gretna Blyth Arecleoch Earlstoun Dumfries Ecclefechan B4 Auchencrosh Fourstones Newton Stewart Tynemouth Chapelcross Harker South Shields Stella West Tongland West Boldon Glenluce B5 Offerton Hawthorne Pit Hartmoor Spennymoor Hartlepool Saltholme Tod Point Wigtown Bay Teeside EC7 Norton B7 Robin Rigg Greystones Grangetown B6 Lackenby B7 B7a

Hutton B11 Hornsea Ormonde

Walney I & II Quernmore Osbaldwick B16 Heysham Knaresborough West of Duddon Barrow Bradford Thornton West Kirkstall Skelton Poppleton Creyke Beck Westermost Rough Irish Sea Stanah Padiham Grange Monk Fryston Saltend Shell Flats North Hedon Penwortham Drax Humber Gateway Elland Saltend South Eggborough B7a Rochdale Ferrybridge B11 To Ireland To Ireland Washway Keadby Humber Refinery B8 B16 Burbo Bank Farm Kearsley Templeborough Thorpe EC1 Whitegate Killingholme Triton Knoll Kirkby West Marsh South Stalybridge Melton Humber Grimsby West Gwynt y Mor Carrington Pitsmoor West Wylfa Rainhill Stocksbridge Aldwarke Bank Winco Bank Burton B9 Bredbury Neepsend Thurcroft Rhyl Flats Fiddlers North Hoyle Daines Sheffield City Ferry Cottam Race Bank Jordanthorpe Brinsworth Inner Dowsing Dudgeon Capenhurst Frodsham Bodelwyddan Macclesfield Norton Lees EC5 Pentir Chesterfield Lincs Deeside High Dinorwig South Manchester Marnham Sherringham Shoal Lynn Norfolk Staythorpe Docking Shoal Legacy EC3 Ffestiniog Cellarhead Stoke Bardolph Bicker Fenn Ratcliffe NW1 Willington on Soar Trawsfynydd B17

Drakelow Walpole Rugeley Spalding North Ironbridge Norwich Main Bushbury Scoby sands NW2 Willenhall Bustleholm Shrewsbury Penn Enderby Nechells Hams Hall Ocker Hill Coventry Oldbury NW3 Kitwell Berkswell

Burwell Main Sizewell NW4 Feckenham Grendon Bishops Wood Eaton EC6 B8 Socon B9 Patford Bramford Bridge Greater Gabbard 500MW Sundon East Claydon Pelham Braintree B12 Wymondley Leighton B15 Buzzard Greater Gabbard 2nd part Rassau Walham Waltham Rye House Cross Imperial Brimsdown Park B14 Gunfleet Sands I&II Cowley Swansea North Watford Elstree Hackney To Netherlands Pembroke Amersham Main London Array Tottenham Redbridge Rayleigh Main Baglan Bay Cilfynydd Culham Mill Hill Upper Boat Minety Didcot Warley Uskmouth Barking EC6 Margam Iron Acton Willesden Coryton Alpha Steel Whitson Iver Ealing Pyle West Ham West Thurrock City Rd Tilbury Grain Cowbridge Hurst Seabank St Johns Kentish Flats Wood New Northfleet Thanet Tremorfa Laleham Kingsnorth East Singlewell Kemsley Cleve Hill Aberthaw Cardiff Melksham Chessington Cross Bristol Channel East Bramley West Weybridge Rowdown Littlebrook SC1 Beddington Fleet Canterbury EC5 Wimbledon North B10 Hinkley Point Sellindge Bridgwater B13 Alverdiscott Bolney Taunton Nursling Dungeness Mannington Marchwood Lovedean Ninfield Axminster B15 SC1 Fawley Botley Wood Exeter To France Chickerell Hastings B10 B12

Langage Abham

Indian Queens Landulph

Isle of Wight

B13 DOUNREAY Figure A1.5: GB Reactive Compensation Plant 2 x -60MVAr

MYBSTER GRUDIE DEANIE BRIDGE CASSLEY BRORA DUNBEATH

CULLIGRAN MOSSFORD THURSO LAIRG SHIN

AIGAS LUICHART ALNESS

KILMORACK ORRIN PETERHEAD STRICHEN ST. FERGUS NAIRN ELGIN MOBIL ARDMORE KEITH BEAULY FRASERBURGH DUNVEGAN INVERNESS ST. FERGUS GAS EDINBANE FASNAKYLE PERSLEY PETERHEAD FARR GRANGE WIND FARM BOAT OF GARTEN GLENFARCLAS Legend BROADFORD KNOCKNAGAEL GLENDOE CRAIGIEBUCKLER 400kV Circuit BLACKHILLOCK KINTORE 2 x -60MVAr TARLAND 275kV Circuit DALLAS FIDDES

SHE TRANSMISSION FOYERS 132kV Circuit FORT WILLIAM BRECHIN GRID FORT AUGUSTUS KILLIN 1 x -75/225MVAr ARBROATH 400kV Substation 2 x 45MVAr 2 x -30MVAr TEALING MILTON OF CRAIGIE 275kV Substation TAYNUILT 132kV Substation DALMALLY FERNOCH CHARLESTON CRUACHAN ERROCHTY SVC INVERARAY COUPAR ANGUS INVERARNAN MSC AN SUIDHE BURGHMUIR Reactor

PORT ANN SLOY LEVEN CUPAR BRACO ABERNETHY GLENROTHES Note: Not all radial 132kV circuits are DUNOON CARRADALE indicated on this diagram HELENSBURGH

STRATHLEVEN WESTFIELD WESTFIELD RED HOUSE WHISTLEFIELD WINDYHILL LONGANNET MOSSMORRAN GLENNISTON DRUMCHAPEL KINCARDINE WINDYHILL LAMBHILL DEVONSIDE 1 x -60MVAr STIRLING

ERSKINE BONNYBRIDGE PORT DUNDAS

DEVOLMOOR WEST GEORGE STREET 2 x -60MVAr GRANGEMOUTH 2 x -60MVAr BRAEHEAD PARK 2 x -60MVAr SHRUBHILL CHARLOTTE STREET DEWAR PLACE DALMARNOCK EASTERHOUSE SIGHTHILL 1 x -60MVAr DEVOLMOOR INVERKIP PORTOBELLO GOVAN COATBRIDGE HAGGS ROAD CURRIE WHITEHOUSE HUNTERSTON CLYDE'S MILL HUNTERSTON EAST KILBRIDE PAISLEY NEWARTHILL GIFFNOCK KILWINNING WHITELEE BLACKLAW MEADOWHEAD 1 x -60MVAr KAIMES COCKENZIE BLACKLAW SMEATON NEILSTON TRANSMISSION 1 x -57MVAr BUSBY WHITELEE EXT CRYSTAL RIG KILMARNOCK SOUTH EAST KILBRIDE SOUTH STRATHAVEN TORNESS SP WISHAW 2 x -150MVAr KILMARNOCK SOUTH 1 x -60MVAr DUNLAW EXTENSION AYR COALBURN

CLYDE NORTH ELVANFOOT AUCHENCROSH HADYARD HILL CLYDE SOUTH COYLTON CHAPELCROSS HAWICK MARK HILL GALASHIELS ECCLES

MAYBOLE GRETNA GLENLUCE

KENDOON DUMFRIES 1 x -60MVAr FOURSTONES BLYTH TYNEMOUTH SOUTH WEST OFFERTON BOLDON NEWTON STEWART GLENLEE TONGLAND 1 1 SHIELDS 1 2 1 2 2 2 1 x 60MVAr HARKER STELLA WEST HAWTHORN 2 x -75/+150MVAr PIT

2 1 HARTMOOR SPENNYMOOR 3 x 20MVAr SALTHOLME HUTTON 2 1 1 x -60MVAr HEYSHAM LACKENBY 2 2 2 1 HARTLEPOOL WASHWAY 1 1 TOD POINT FARM 2 1 STANAH 2 1 1 x 60MVAr 2 x -60MVAr 1 x 150MVAr PENWORTHAM BRADFORD 2 x -60MVAr HEDON 1 1 NORTON 1 2 WEST KIRKSTALL 3 x 20MVAr SALTEND 2 2 1 x -60MVAr GREYSTONES NORTH THORNTON CREYKE SALTEND 1 BECK HUMBER SKELTON KNARESBOROUGH 2 GRANGE 1 2 REFINERY PADIHAM 3 x 60MVAr 2 SOUTH KIRKBY 3 1 2 RAINHILL OSBALDWICK 4 x 45MVAr 1 4 x 45MVAr 1 x 150MVAr HUMBER 2 1 1 x -100MVAr POPPLETON KEADBY KILLINGHOLME BANK 2 1 2 1 DRAX 1 2 LISTER ELLAND 1 2 x -60MVAr 3 4 1 x -60MVAr FERRYBRIDGE GRIMSBY DRIVE FIDDLERS 2 1 1 x -100MVAr 1 WEST FERRY 2 2 1 3 x 60MVAr 1 ROCHDALE 2 1 x -200MVAr 1 x 150MVAr 2 CAPENHURST KEARSLEY MONK WEST BURTON 2 2 2 1 FRYSTON 1 2 EGGBOROUGH BIRKENHEAD 2 1 3 x 60MVAr 1 x 150MVAr 1 2 1 x -60MVAr 1 x -60MVAr 1 1 2 1 WHITEGATE 1 x 150MVAr THORPE MARSH 1 x -200MVAr 1 2 1 x -60MVAr 1 1 2 1 2 COTTAM 1 x 60MVAr CARRINGTON STALYBRIDGE 2 WYLFA NEEPSEND STOCKSBRIDGE 3 x 45MVAr WEST MELTON 1 1 2 FRODSHAM SOUTH PITSMOOR 1 2 2 MANCHESTER 2 x -60 to -30MVAr 2 2 1 2 x -60MVAr 2 BREDBURY ALDWARKE 1 BODELWYDDAN 1 x -60MVAr 1 EIRGRID DEESIDE 1 WINCOBANK 2 1 x -100MVArPENTIR DAINES THURCROFT 2 1 2 TEMPLEBOROUGH HIGH 1 1 MARNHAM 2 1 DINORWIG MACCLESFIELD BRINSWORTH 2 FFESTINIOG 1 1 2 1 x -75/+150MVAr SHEFFIELD 2 1 x 225MVAr 2 x -75/150MVAr CITY 2 x 225MVAr WILLINGTON EAST 1 2 4 x 60MVAr CHESTERFIELD TRAWSFYNYDD 1 2 x -60MVAr BICKER CELLARHEAD NORTON LEES JORDANTHORPE 2 1 x -60MVAr FENN 1 x -60 to -30MVAr 1 x 225MVAr 1 2 1 x -75/+150MVAr STAYTHORPE 1 RUGELEY 2 x 225MVAr 1 2 DRAKELOW STOKE SPALDING GRID 2 RATCLIFFE SHREWSBURY 1 BARDOLPH NORTH LEGACY 1 ON SOAR IRONBRIDGE 2 3 x 60MVAr 2 2 1 x -60MVAr 1 x 225MVAr BUSHBURY WILLENHALL 2 1 1 PENN 1 x 0/+60MVAr 1 2 WALPOLE OCKER COVENTRY 3 x 60MVAr HILL 1 x 0/+60MVAr 2 x -60MVAr TIONAL 1 x 150MVAr 3 x 60MVAr 2 1 2 1 2 1 HAMS 1 x -60MVAr 2 x 225MVAr 3 x 60MVAr EATON HALL ENDERBY 2 x 225MVAr SOCON KITWELL NECHELLS 1 x 0/+60MVAr 1 x -60MVAr

NA 1 2 1 1 3 x 60MVAr 2 OLDBURY 3 x 60MVAr BISHOPS 1 x 0/+60MVAr 1 x 150MVAr 1 NORWICH WOOD 2 2 2 x -60MVAr 2 BURWELL 1 1 x -60MVAr PATFORD GRENDON MAIN 3 x 60MVAr BUSTLEHOLM BRIDGE MAIN 1 x 20MVAr 1 x 225MVAr 2 FECKENHAM BERKSWELL 2 x -60MVAr 1 x -50/+225MVAr 2 x 225MVAr 2 x -75/+150MVAr 2 x 60MVAr EAST 1 2 x -60MVAr WYMONDLEY 2 x -60MVAr BRAMFORD 1 x -75/+150MVAr 2 x -60MVAr CLAYDON SUNDON MAIN PELHAM 3 x 60MVAr 1 x -60MVAr 1 2 SIZEWELL 1 x 225MVAr 2 x -60MVAr 2 1 1 2 ELSTREE PEMBROKE WALHAM AMERSHAM RYE HOUSE MAIN LEIGHTON 2 x 0/+60MVAr BRAINTREE BUZZARD 1 x -200MVAr 1 x -60MVAr WARLEY 2 3 x 60MVAr COWLEY 1 2 x -60MVAr 1 RAYLEIGH MAIN 3 x 60MVAr RASSAU 2 x -60MVAr 2 1 1 x -200MVAr 1 1 2 2 2 2 3 x 60MVAr TILBURY CORYTON 1 2 x -60MVAr CILFYNYDD IVER 2 SWANSEA NORTH CULHAM JET WATFORD WALTHAM 1 x -200MVAr SOUTH CROSS 3 x 60MVAr 1 2 1 1 2 MILL HILL 2 x -60MVAr BRIMSDOWN 1 2 4 3 BAGLAN 2 1 BAY 1 2 UPPER 2 BOAT IMPERIAL 1 BRITNED MARGAM PARK WILLESDEN REDBRIDGE BARKING 1 2 DIDCOT EALING 3 x -100MVAr 2 x -60MVAr 2 1 x 45MVAr 2 2 2 2 2 2 1 x 45MVAr 2 x 0/+60MVAr MINETY 2 USKMOUTH IRON 1 W 1 1 E1 1 1 1 2 PYLE ACTON TOTTENHAM GRAIN 1 2 LALEHAM 2 2 x 0/+60MVAr 1 2 1 2 x -100MVAr 1 CARDIFF 2 2 1 EAST 2 x +60MVAr HACKNEY 2 1 3 x 60MVAr 2 1 1 x -200MVAr COWBRIDGE 2 1 2 x -60MVAr 2 x -100/150MVAr CITY WEST NORTHFLEET HAM 1 x -200MVAr 3 x 60MVAr 1 ROAD EAST BRAMLEY WHITSON MELKSHAM 1 x -60MVAr 1 2 1 1 2 1 x -200MVAr 2 ST.JOHNS TREMORFA 1 2 BARKING WIMBLEDON WOOD 1 x 225MVAr 2 x -60MVAr 2 1 KINGSNORTH 1 2 2 x -100MVAr 1 HURST WEST THURROCK HINKLEY SEABANK SINGLEWELL ABERTHAW 1 2 2 1 WEST POINT 1 x -200MVAr 2 x 60MVAr 1 1 x 225MVAr WEYBRIDGE 2 NEW CROSS 1 x +150MVAr LITTLEBROOK ALVERDISCOTT 3 x 60MVAr FLEET 2 x -100MVAr 2 x -60MVAr 1 x 60MVAr 1 2 BRIDGWATER 2 x -60MVAr 3 x -100MVAr 1 x -74/+150MVAr 1 2 1 2 BEDDINGTON TAUNTON 2 1 2 x -60MVAr 2 ROWDOWN KEMSLEY 2 1 x 0/+60MVAr 1 x -200MVAr 1 2 2 x 45MVAr 1 x 225MVAr 2 AXMINSTER 1 MANNINGTON LOVEDEAN 2 x -100MVAr 1 2 NURSLING 1 2 x -60MVAr INDIAN CHESSINGTON 1 3 x -30MVAr 2 x -150/+150MVAr QUEENS 2 EXETER 2 x -75/+150MVAr 2 x 150MVAr 1 2 x -75/+150MVAr 6 x 60MVAr 1 x -200MVAr CLEVE LANDULPH CHICKERELL BOTLEY 1 x 50MVAr BOLNEY NINFIELD DUNGENESS SELLINDGE 2 HILL 3 x 20MVAr 1 x -60MVAr WOOD 1 2 2 2 2 ABHAM 1 x 225MVAr MARCHWOOD 2 x 45MVAr 2 1 1 1 1 LANGAGE FAWLEY 4 x 60MVAr 1 x -150/+150MVAr 1 2 CANTERBURY 1 x 0/+60MVAr 1 x 225MVAr -200MVAr NORTH 1 x 72.5MVAr 2 x -60MVAr E de F 2 x -30MVAr (270kV DC)