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Thames Cable Tunnel

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367: 27: 419: 241:. The tunnel is approximately 45 metres (148 ft) deep, and was one of the first tunnels in the UK to be lined with pre-cast concrete segments rather than cast iron. A tunnel was chosen due to the high costs of building an overhead transmission line at this point in the river. 244:
In September 2023, National Grid announced that they were planning to retire the Thames Cable Tunnel, as it was approaching the end of its useful life. The Grain to Tilbury project aims to construct a new tunnel to replace it.
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Completed in 1970 at a cost of around £3 million (equivalent to £59 million in 2023) by the
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Tunnel carrying high-voltage cables beneath the River Thames between Tilbury and Gravesend
334:"National Grid launches consultation on planned Grain to Tilbury infrastructure upgrades" 469: 371: 210:, is a tunnel carrying high-voltage electrical transmission lines beneath the lower 211: 26: 395: 382: 366: 319: 219: 292: 230: 229:, the tunnel carries 400 kV transmission cables between substations at 215: 20: 222:. It remains the furthest tunnel downstream on the Thames. 430: 306:
Haswell, C.K. (December 1969). "Thames Cable Tunnel".
355: 192: 184: 176: 171: 163: 158: 148: 143: 135: 130: 125: 51:. Unsourced material may be challenged and removed. 486:Electric power transmission in the United Kingdom 308:Proceedings of the Institution of Civil Engineers 450: 8: 457: 443: 425:This European tunnel-related article is a 111:Learn how and when to remove this message 481:Electric power infrastructure in England 362: 271: 279:Anon (May 1970). "Cables Down Under". 122: 7: 415: 413: 227:Central Electricity Generating Board 49:adding citations to reliable sources 491:Tunnels underneath the River Thames 429:. You can help Knowledge (XXG) by 14: 417: 365: 208:Tilbury – Gravesend Cable Tunnel 25: 36:needs additional citations for 1: 512: 412: 159:Construction information 320:10.1680/iicep.1969.7250 281:Electronics & Power 255:400 kV Thames Crossing 496:European tunnel stubs 260:Dartford Cable Tunnel 172:Technical information 144:Ownership information 60:"Thames Cable Tunnel" 338:www.nationalgrid.com 293:10.1049/ep.1970.0161 206:, also known as the 45:improve this article 392: /  340:. 27 September 2023 204:Thames Cable Tunnel 126:Thames Cable Tunnel 180:Underground tunnel 476:Tunnels in London 438: 437: 200: 199: 153:National Grid plc 121: 120: 113: 95: 503: 459: 452: 445: 421: 420: 414: 407: 406: 404: 403: 402: 397: 396:51.448°N 0.399°E 393: 390: 389: 388: 385: 370: 369: 361: 350: 349: 347: 345: 330: 324: 323: 303: 297: 296: 276: 123: 116: 109: 105: 102: 96: 94: 53: 29: 21: 511: 510: 506: 505: 504: 502: 501: 500: 466: 465: 464: 463: 418: 410: 400: 398: 394: 391: 386: 383: 381: 379: 378: 376: 364: 356: 354: 353: 343: 341: 332: 331: 327: 305: 304: 300: 278: 277: 273: 268: 251: 237:as part of the 185:Type of current 117: 106: 100: 97: 54: 52: 42: 30: 17: 12: 11: 5: 509: 507: 499: 498: 493: 488: 483: 478: 468: 467: 462: 461: 454: 447: 439: 436: 435: 422: 375: 374: 352: 351: 325: 314:(4): 323–340. 298: 270: 269: 267: 264: 263: 262: 257: 250: 247: 198: 197: 194: 190: 189: 186: 182: 181: 178: 174: 173: 169: 168: 165: 161: 160: 156: 155: 150: 146: 145: 141: 140: 137: 133: 132: 128: 127: 119: 118: 33: 31: 24: 15: 13: 10: 9: 6: 4: 3: 2: 508: 497: 494: 492: 489: 487: 484: 482: 479: 477: 474: 473: 471: 460: 455: 453: 448: 446: 441: 440: 434: 432: 428: 423: 416: 411: 408: 405: 401:51.448; 0.399 373: 368: 363: 359: 339: 335: 329: 326: 321: 317: 313: 309: 302: 299: 294: 290: 286: 282: 275: 272: 265: 261: 258: 256: 253: 252: 248: 246: 242: 240: 239:National Grid 236: 232: 228: 223: 221: 217: 213: 209: 205: 195: 191: 187: 183: 179: 175: 170: 166: 162: 157: 154: 151: 147: 142: 138: 134: 129: 124: 115: 112: 104: 93: 90: 86: 83: 79: 76: 72: 69: 65: 62: –  61: 57: 56:Find sources: 50: 46: 40: 39: 34:This article 32: 28: 23: 22: 19: 431:expanding it 424: 409: 377: 342:. Retrieved 337: 328: 311: 307: 301: 284: 280: 274: 243: 224: 212:River Thames 207: 203: 201: 164:Commissioned 107: 98: 88: 81: 74: 67: 55: 43:Please help 38:verification 35: 18: 399: / 344:12 December 470:Categories 384:51°26′53″N 287:(5): 175. 266:References 235:Kingsnorth 193:AC voltage 101:March 2020 71:newspapers 387:0°23′56″E 220:Gravesend 249:See also 214:between 131:Location 231:Tilbury 216:Tilbury 136:Country 85:scholar 372:Energy 358:Portal 196:400 kV 87:  80:  73:  66:  58:  149:Owner 92:JSTOR 78:books 427:stub 346:2023 233:and 218:and 202:The 177:Type 167:1970 64:news 316:doi 289:doi 47:by 472:: 336:. 312:44 310:. 285:16 283:. 188:AC 139:UK 458:e 451:t 444:v 433:. 360:: 348:. 322:. 318:: 295:. 291:: 114:) 108:( 103:) 99:( 89:· 82:· 75:· 68:· 41:.

Index


verification
improve this article
adding citations to reliable sources
"Thames Cable Tunnel"
news
newspapers
books
scholar
JSTOR
Learn how and when to remove this message
National Grid plc
River Thames
Tilbury
Gravesend
Central Electricity Generating Board
Tilbury
Kingsnorth
National Grid
400 kV Thames Crossing
Dartford Cable Tunnel
doi
10.1049/ep.1970.0161
doi
10.1680/iicep.1969.7250
"National Grid launches consultation on planned Grain to Tilbury infrastructure upgrades"
Portal
icon
Energy
51°26′53″N 0°23′56″E / 51.448°N 0.399°E / 51.448; 0.399

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