Knowledge (XXG)

Kenney Dam

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population. Research showed that because of the massive amount of water to be transmitted to the coast, there would be a loss of water during the spring and summer months, causing reduced flow. Close to 100 percent of the river's estimated mean annual flow was diverted into the reservoir during the four-year period. 627 million cubic feet of water were withdrawn from the river daily. Therefore, the Nechako riverbed would be affected, as well as causing a rise in water temperatures, which would make summer migration for salmon more difficult. In the process of dam development, water temperatures exceeded 20 degrees Celsius, and the safest levels for sockeye salmon is 14 degrees Celsius. Although the Nechako River temperatures became too high, the dam reservoir water temperatures were too low, and contained too high of levels of nitrogen and not enough oxygen for salmon.
595:. Both parties armed with their own scientists. While the trial was briefly commenced in 1987, it was ultimately settled out of court through negotiations involving Alcan, the provincial government and the federal government, resulting in the 1987 settlement agreement. Aspects of the agreement include: Alcan could build a cold water release valve in the Nechako Reservoir to cool the water temperature for migrating salmon and, in turn, release a smaller volume of water, and the company gave up its water rights to the Nanika River. In addition, the federal and provincial governments agreed to allow Alcan to proceed with a modified version of its completion project. Critics and opposition governments accused all three parties of not doing a proper environmental assessment. 517:
beavers, Canada geese, ducks, moose, and about 100 trumpeter swans, equivalent to one eighth of Canada's swan population. The Nechako Reservoir took four years to fill, during these four year there was no flow running from the Nechako Reservoir for 50 miles between the dam and the Nautley River. The fish left in this section of the river remained trapped and died. Local animals that relied on that section of the river were also forced to migrate. In the first two years of operation, smelter emissions from the new Aluminum plant in Kitimat were believed to have caused further forest depletion, health problems for local workers, and harm on aquatic ecosystems.
480:, along with their ability to have a third-party advisor. The Cheslatta people also claimed that Alcan had assured them most grave sites would be unaffected by rising water levels, however any grave sites running the risk of inundation would be transferred to higher grounds and the Cheslatta would be informed. Alcan, however, claimed that the Cheslatta had agreed to flooding the grave sites, so long as two recent graves were moved and commemorative markers were placed above the flood waters. In accordance with this understanding, Alcan moved two graves while the rest of the grave markers were burned. 42: 571:. In 1978, when the project went forward, Alcan was able to run energy directly into the province's power grid. Because the BC Hydro grid is linked to the North American grid, Alcan began selling energy to Alberta and the United States. In order to meet the energy demands in its new market, Alcan began diverting more water into its reservoir, resulting in lower water levels in the Nechako River. The decrease in water levels provided an increase the water temperatures. By 1980 water temperatures in the Nechako River had risen above what 626: 654: 640: 591:
12% reduction in the Nechako River water levels. To avoid increased tensions Alcan accepted annual renewals of a court injunction setting water flows from 1980 until 1985, while the DFO performed studies on the potential effects on the Nechako's salmon population. In 1985, Alcan refused to consent to the renewal of the injunction, and DFO brought a claim against Alcan in the
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In order to create the correct balance, it was suggested that Alcan needed to draw water from both the centre and the surface of the reservoir, then run the water through "a hallow cone valve and over a baffle-clock spillway to reduce the amount of nitrogen". Second delays in the construction were due to a decrease in the demand of aluminum and a decrease in the economy.
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their community. The Cheslatta people were compensated an average of $ 77/hectare with no payment covering moving expenses, compared to non-native individuals who received relocation compensation of $ 1,544/hectare along with covered moving expenses. It was only a year after the Murray Dam was constructed that the band members received their compensation payments.
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Alcan has not built the cold water release facility outlined in the 1987 settlement agreement, and as such has not reduced the amount of water released in to the Nechako water system. Studies showed that the water in the reservoir was too cold and contained too much nitrogen, while not enough oxygen.
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documents, the Cheslatta people asked for $ 108,000 in compensation along with payments for their new land, traplines and monthly pensions, however requests were denied and claims were dismissed. Payments in the form of money were demanded for their new land and any constructional improvements within
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After two years of negotiations between Alcan and the BC government, the two parties signed the 1997 settlement agreement. Alcan committed to spending $ 50 million on a cold water release facility at Kenney Dam. In addition, the government paid Alcan $ 500 million for what the company had previously
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Alcan had originally proposed that the BC government build the dam and the company buy the electricity from the province, but the government declined. Instead, Alcan signed the Kemano I agreement with the province on December 29, 1950 which granted the company rights to divert water from the Nechako
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Although there was a general public acceptance of the proposed hydroelectric dam and smelter plant in the Fraser River region, the fisheries sector was outspoken about the dam's potential effects on salmon reproductive patterns. Hydroelectric development in the region was seen in the media as being
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people were given approximately 10 days notice before they were relocated to live in overcrowded tents at a temporary location 30 miles north of their reserves in Grassy Plains. They were responsible for transporting their own belongings by means of wagons and consequently were forced to leave most
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Controversies began in 1980, starting with the DFO and the federal government when they realized Alcan was going to go ahead with the Kemano Completion project without addressing the existing water level and temperature concerns. The proposed Kemano Completion Project would result in an additional
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introduced special legislation authorizing the provincial cabinet to do what it thought necessary to establish a new aluminum industry in BC. For its part, Alcan was concerned with locating its energy-intensive aluminum smelters in close proximity to an inexpensive source of hydroelectric power.
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Due to these concerns, the DFO asked Alcan to assist the river's flow during the summer months. Eventually both parties agreed to an extra spillway on Cheslatta Lake that would promote the natural flow of the river during these dry periods. The Cheslatta, a tributary of the Nechako, would hold a
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Construction of the dam involved flooding 32,000 acres of land in order to create the Nechako Reservoir. This flooding impacted surrounding agricultural land and caused the loss of 8.7 million cubic meters of timber. The reservoir also disrupted existing ecosystems, and impacted animals such as
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records show unanimous support by the Cheslatta people for the surrender of their territory, however many band members state that no formal assent was conducted and the signatures on documents are forged by Indian affairs officials. It is also widely debated whether or not the legal rights of the
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In the early 1990s there were increased objections to the completion project, both from the public and the newly elected NDP provincial government, and in 1993 the BC Utilities Commission was directed to conduct public hearings. The hearings began January 17, 1994. They looked at the design and
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The staff at the IPSFC and the DFO surveyed the Nechako River and discovered that the loss of salmon spawning grounds would not be the main threat to sockeye populations in dam construction. Rather, it was the diversion of the river's natural flow that would cause the most impact to the sockeye
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Construction of the dam and its associated facilities began in 1951 and continued until 1967, although the dam became operational in 1954. The dam, located in the Canyon of the Nechako River, is a rock-filled, clay-core dam measuring 97 metres high and 457 metres wide (at the top). Construction
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people for at least 10,000 years, were flooded and caused the relocation of approximately 200 Cheslatta people. Villages were demolished and burned prior to the flooding with most families unable to return to collect their belongings and as water levels rose, it has been noted that coffins and
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of their traditional possessions behind. After months of living in poor conditions at the temporary location sites, the Cheslatta people were eventually resettled on marginal farms scattered over large areas, which proved disconcerting for this once close-knit community. According to
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filled from 1952 to 1957, flooding a series of lakes in the drainage basin of the upper Nechako River. The water of the reservoir filled an area of 92,000 hectares. However, the level of the reservoir can vary by more than 3 metres depending on rainfall and power generation needs.
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to help cool water temperatures in the upper Nechako River in order to minimize the impact on salmon spawning from the development of the Kenney Dam. As a result of the discharged water from the Murray Dam and the spillway, the traditional lands which had been home to the
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The dam, which sits at the east end of the reservoir, forms part of a hydroelectric complex which also includes the Skins Lake spillway, which regulates water levels both in the reservoir and downstream. On the west side of the reservoir, a 16-kilometre (9.9 mi) long
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construction of the plans for the facilities required for the completion project, hydrology impacts, fishery impacts, and the economic impacts for the people in the surrounding areas. In 1995, due to the potential and unresolved impacts on the salmon fishery, BC Premier
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spawned in the region, the provincial government eliminated the site from the proposal. In 1948, following feasibility studies, Alcan decided to pursue a project on the Nechako River to power a large aluminum smelter to be located at the new townsite of
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filed a Statement of Claim with the Supreme Court of British Columbia disputing all agreements and licenses issued to Alcan by the Federal and Provincial governments. The appeal was dismissed in Alcan's favour with no further legal actions in effect.
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disruptive to important Fraser salmon spawning areas. There were limitations to long-term streamflow and ecosystems data in the Fraser River and its tributaries, which has made specific impacts of river diversion hard to evaluate.
258:), although in the late 1980s the company increased their economic activity by selling excess electricity across North America. The development of the dam caused various environmental problems along with the displacement of the 309:. A public opinion poll taken in 1949 indicated that an overwhelming majority of British Columbians supported the Alcan's plans for hydroelectric development on the Nechako. Support was not universal, however: for example, the 607:
announced the cancellation of the Kemano Completion Project. However, Alcan had already invested $ 1.3 billion in the Kemano Completion Project and in 1987 had been given permission to continue with the project.
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as a result of their poor living conditions. Requests for assistance in health care, education and housing were denied until 1964 when the relocation sites were officially turned into federal reserves.
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Windsor, J.E.; McVey, J.A. (2005). "Annihilation of Both Place and Sense of Place: The Experience of the Cheslatta T'En Canadian First Nation within the context of Large-Scale Environmental Projects".
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spillway and reservoir to supply the water needed in sockeye migration during the summer months. The river regained between 60 and 70 percent of flow, three years after the spillway was implemented.
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finalized the transfer of approximately 11,000 acres of land to the Cheslatta Carrier Nation. The Cheslatta received the land as a form of freehold ownership with an estimated value of $ 1.2 million
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above the dam and Nanika River downstream of Nanika Falls, permission to dam the Nechako and divert a portion of the original flow through a tunnel to a hydroelectric facility at
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to explore the potential of various sites around the country for hydroelectric power generation. British Columbia was particularly interested in attracting the aluminum industry.
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The Cheslatta Surrender. A Legal Analysis of a Surrender Given by the Cheslatta Carrier Nation to Her Majesty in Right of the Government of Canada on the 21st of April 1952
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Harrison, Kathryn (1996). "Environmental Protection in British Columbia: Postmaterial Values, Organized Interests, and Party Politics". In Carty, R. Kenneth (ed.).
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benefits. Their traditional practices became increasingly difficult as they were forced to conform to a new way of living and consequently death tolls rose from
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was no longer producing energy solely for Kitimat's aluminum smelter. The company had begun selling the extra energy produced by the Kenney Dam to
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The Cheslatta people were also regulated on where to hunt and when to fish which combined with the land payments forced many people to seek
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In the late 1970s Alcan announced the Kemano Completion Project. The project would construct a second tunnel from the Nechako Reservoir to
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Wellington, Alex; Greenbaum, Allan Jacob; Cragg, Wesley (1997). "Canadian Issues in Environmental Ethics". Peterborough: Broadview Press.
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fraud, duress and breach of trust, however the case was settled out of court for slightly less than $ 7 million. In 1998, Members of the
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to delay their proposed $ 100 million project by 10 years. BC Hydro's proposed project would improve the power transmission system from
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skeletons from their traditional grave sites were washed away with skeletal remains being allegedly found in and around Cheslatta Lake.
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Environment Canada. Threats to Water Availability in Canada, (Ottawa: Minister of Public Works and Government Canada, 2004), 4.
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Cheslatta people were presented as many claim that they were unaware of their power to refuse the requests of the
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in the 1960s, the Kenney Dam was the largest rockfill dam in the world. The dam was named for the Hon.
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Concurrent with the hydroelectric development of the Nechako, the Alcan smelter, and townsite of
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region was the original proposed site for the Kenney Dam, but due to preliminary calculations by
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Potential Effects of the Kemano Completion Project on Fraser River Sockeye and Pink Salmon
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Christensen, Bev (1995), "Too Good to Be True: Alcan's Kemano Completion Project",
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McNaughton, W.J.W. (April 1960). "Bersimis: The Development of a River".
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In 1990, the Cheslatta filed a $ 122 million court case against the
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Following the Second World War, the Canadian government invited the
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Analysis of a Cold Water Release Facility in the Nechako Reservoir.
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Fish Versus Power: An Environmental History of the Fraser River
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showing that the Chilko Lake held up to three-quarters of the
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Rio Tinto Alcan. "Power Operations/Watershed Management".
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running through the Coast Mountain range brings water to
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and it would extend the transmission system further to
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for a 2,600-foot (790 m) vertical drop to the 8
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below the dam to stabilize the foundation. Until the
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Politics, Policy, and Government in British Columbia
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British Columbia" 941: 939: 937: 935: 933: 931: 929: 927: 925: 1358: 393:, shares many features with Alcan's project. 8: 1278:Rio Tinto Alcan Primary Metal BC Operations 1131: 1129: 1076:Rio Tinto Alcan Primary Metal BC Operations 1365: 1351: 1343: 967: 965: 963: 961: 959: 957: 854: 852: 850: 848: 846: 56:Location of Kenney Dam in British Columbia 18: 844: 842: 840: 838: 836: 834: 832: 830: 828: 826: 325:Construction and technical specifications 1665:1954 establishments in British Columbia 1619:North American Water and Power Alliance 950:. New York: Cambridge University Press. 700: 1294: 1283: 1092: 1081: 911: 900: 262:, whose traditional land was flooded. 192:32.7 km (26,500,000 acre⋅ft) 7: 1561:(Julian, Kanairiktok & Naskaupi) 1330:article on the Kemano Hydro Project 1120:Royal Canadian Geographical Society 277:Aluminum Company of Canada (Alcan) 48: 14: 1339:, December 1953, pp. 96–104. 593:Supreme Court of British Columbia 389:, built between 1953 and 1956 by 873:10.1111/j.1475-4959.2005.00156.x 652: 638: 624: 404:Relocation of the Cheslatta T'En 47: 40: 27: 16:Dam in British Columbia, Canada 1670:Privately owned dams in Canada 1047:'. Accessed: 16 February 2012. 478:Government of British Columbia 409:Flooding of First Nations land 1: 1153:The Cheslatta Story: In Brief 1112:Canadian Geographical Journal 1064:. Accessed: 16 February 2012. 1012:. Accessed: 16 February 2012. 990:Nechako Canyon Protected Area 680:Nechako Canyon Protected Area 387:Bersimis-1 generating station 70:Fraser Lake, British Columbia 1334:"Colossus in the Wilderness" 419:Department of Indian Affairs 1374:Interbasin water diversions 573:Fisheries and Oceans Canada 435:Relocation and compensation 415:Fisheries and Oceans Canada 294:Fisheries and Oceans Canada 260:Cheslatta T'En First Nation 1691: 348:Edward Tourtellotte Kenney 169:457 m (1,499 ft) 1434:Columbia-Kootenay (canal) 946:Evenden, Matthew (2004). 690:Kitimat, British Columbia 612:invested in the project. 579:Kemano Completion Project 379:Kemano Generating Station 271:Selection of the dam site 248:Kitimat, British Columbia 35: 26: 1645:Dams in British Columbia 995:. Accessed 9 March 2012. 861:The Geographical Journal 685:Kemano, British Columbia 498:Cheslatta Carrier Nation 334:was injected in bedrock 1549:Saint John Water Supply 1253:. (New Westminster), 3. 976:. Vancouver: UBC Press. 660:Renewable energy portal 547:Starting in the 1960s, 213:Installed capacity 161:97 m (318 ft) 1660:Dams completed in 1954 1324:, by Richard Neuberger 1240:Environment Canada, 4. 910:Cite journal requires 484:Subsequent settlements 101:53.57917°N 124.95000°W 1028:BC Geographical Names 714:BC Geographical Names 512:Environmental impacts 504:On January 30, 2012, 281:Premier Byron Johnson 139:Type of dam 1457:Squamish (Cheakamus) 1429:Southern Indian Lake 1179:on 23 September 2015 521:Impacts on fisheries 353:Behind the dam, the 340:W. A. C. Bennett Dam 143:Rock-fill embankment 106:53.57917; -124.95000 1559:Smallwood Reservoir 1151:Wagg, Dana (1993). 812:on 25 November 2003 709:"Nechako Reservoir" 490:Canadian government 189:Total capacity 97: /  1317:– Rio Tinto Alcan. 1210:on 8 February 2015 1198:Billard, Rebecca. 1136:Byl, Dick (1992). 413:At the request of 1627: 1626: 1570:Vernon Irrigation 1554:Sault aux Cochons 1515:Nechako Diversion 1495:Lac de la Frégate 1472:James Bay Project 1337:Popular Mechanics 1293:Missing or empty 1091:Missing or empty 1042:Reservoir and Dam 1005:Reservoir and Dam 675:Nechako Reservoir 355:Nechako Reservoir 342:was built on the 244:Nechako Reservoir 224: 223: 183:Nechako Reservoir 133:Dam and spillways 117:Opening date 1682: 1655:Rock-filled dams 1385:Water diversions 1367: 1360: 1353: 1344: 1315:Power Operations 1303: 1302: 1296: 1291: 1289: 1281: 1273: 1267: 1260: 1254: 1247: 1241: 1238: 1229: 1226: 1220: 1219: 1217: 1215: 1206:. 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Ottawa: 1117: 1113: 1106: 1103: 1098: 1085: 1077: 1070: 1067: 1063: 1062: 1058: 1053: 1050: 1046: 1043: 1038: 1035: 1030: 1029: 1024: 1018: 1015: 1011: 1010: 1006: 1001: 998: 994: 991: 986: 984: 980: 975: 968: 966: 964: 962: 960: 958: 954: 949: 942: 940: 938: 936: 934: 932: 930: 928: 926: 922: 917: 904: 893: 891: 889: 887: 885: 883: 879: 874: 870: 866: 862: 855: 853: 851: 849: 847: 845: 843: 841: 839: 837: 835: 833: 831: 829: 827: 823: 811: 807: 803: 797: 795: 793: 791: 789: 787: 783: 778: 771: 769: 767: 765: 763: 761: 759: 757: 755: 753: 751: 749: 747: 745: 743: 741: 739: 737: 735: 733: 731: 729: 727: 725: 721: 716: 715: 710: 704: 701: 695: 691: 688: 686: 683: 681: 678: 676: 673: 671: 670:Nechako River 668: 667: 661: 655: 650: 647: 641: 636: 633: 632:Canada portal 622: 615: 613: 609: 606: 605:Mike Harcourt 600: 596: 594: 588: 586: 578: 576: 574: 570: 566: 562: 561:Prince George 558: 554: 550: 543:Energy export 542: 537: 535: 531: 527: 520: 518: 511: 509: 507: 502: 499: 495: 491: 483: 481: 479: 474: 470: 467: 463: 459: 455: 450: 447: 442: 434: 432: 429: 424: 420: 416: 408: 401: 399: 394: 392: 388: 384: 380: 376: 372: 368: 365: 359: 356: 351: 349: 345: 341: 337: 333: 324: 322: 320: 314: 312: 308: 303: 299: 295: 291: 287: 282: 278: 270: 265: 263: 261: 257: 253: 249: 245: 241: 237: 236:Nechako River 233: 229: 220: 216: 214: 210: 206: 204: 200: 197:Power Station 195: 191: 187: 184: 181: 177: 172: 168: 164: 160: 156: 153: 152:Nechako River 150: 146: 142: 140: 136: 131: 127: 123: 119: 115: 110: 82: 78: 75: 71: 67: 63: 43: 34: 30: 25: 20: 1518: 1490:Jordan River 1467:Ingram River 1448:Cypress Lake 1411:Bridge River 1406:Bay d'Espoir 1336: 1321: 1277: 1271: 1263: 1258: 1250: 1245: 1224: 1212:. Retrieved 1208:the original 1203: 1193: 1181:. Retrieved 1174:the original 1161: 1152: 1146: 1137: 1115: 1111: 1105: 1075: 1069: 1059: 1052: 1037: 1026: 1017: 1007: 1000: 973: 947: 903:cite journal 864: 860: 814:, retrieved 810:the original 805: 776: 712: 703: 646:Water portal 610: 601: 597: 589: 582: 546: 532: 528: 524: 515: 503: 487: 471: 458:tuberculosis 451: 438: 412: 395: 391:Hydro-Québec 360: 352: 328: 315: 298:Fraser River 274: 227: 225: 1601:Chilko Lake 1529:Ogoki River 1476:Caniapiscau 1204:BCLocalNews 777:Talon Books 344:Peace River 286:Chilko Lake 104: / 80:Coordinates 1634:Categories 1585:Wreck Cove 1544:Root River 1519:Kenney Dam 1453:Daisy Lake 1415:Seton Lake 1295:|url= 1093:|url= 1057:The tunnel 696:References 466:alcoholism 417:(DFO) and 228:Kenney Dam 207:8 × 112 MW 92:124°57′0″W 89:53°34′45″N 22:Kenney Dam 1605:Tatlayoko 1505:Long Lake 1462:Deer Lake 1439:Coquitlam 1425:Churchill 371:penstocks 300:'s total 290:Chilcotin 174:Reservoir 68:South of 1609:Homathko 1594:Proposed 1575:Wahleach 1482:, & 1480:Eastmain 1401:Barrière 1392:Alouette 1286:cite web 1214:31 March 1183:31 March 1084:cite web 993:BC Parks 816:30 March 616:See also 565:Smithers 557:BC Hydro 553:BC Hydro 336:fissures 332:Concrete 203:Turbines 148:Impounds 125:Owner(s) 65:Location 1675:Kitimat 1539:Pasquia 1443:Buntzen 569:Terrace 462:suicide 454:welfare 398:Kitimat 307:Kitimat 288:in the 266:History 234:on the 179:Creates 1523:Kemano 1484:Rupert 1378:Canada 1122:: 127. 585:Kemano 385:. The 383:Quebec 367:tunnel 364:intake 319:Kemano 166:Length 158:Height 74:Canada 1396:Stave 1177:(PDF) 1170:(PDF) 549:Alcan 492:over 375:units 254:(now 252:Alcan 1299:help 1216:2012 1185:2012 1097:help 916:help 818:2012 806:RCAP 563:and 464:and 439:The 226:The 217:890 120:1954 1376:in 869:doi 865:171 494:DIA 473:DIA 446:DIA 250:by 1636:: 1478:, 1290:: 1288:}} 1284:{{ 1233:^ 1202:. 1128:^ 1116:60 1114:. 1088:: 1086:}} 1082:{{ 1025:. 982:^ 956:^ 924:^ 907:: 905:}} 901:{{ 881:^ 863:. 825:^ 804:, 785:^ 723:^ 711:. 460:, 219:MW 72:, 1607:/ 1603:- 1525:) 1521:- 1517:( 1486:) 1474:( 1455:- 1441:– 1427:– 1413:- 1394:- 1366:e 1359:t 1352:v 1301:) 1297:( 1280:. 1218:. 1187:. 1155:. 1140:. 1099:) 1095:( 1078:. 1031:. 918:) 914:( 875:. 871:: 717:.

Index


Kenney Dam is located in British Columbia
Fraser Lake, British Columbia
Canada
53°34′45″N 124°57′0″W / 53.57917°N 124.95000°W / 53.57917; -124.95000
Type of dam
Nechako River
Nechako Reservoir
Turbines
Installed capacity
MW
embankment dam
Nechako River
British Columbia
Nechako Reservoir
Kitimat, British Columbia
Alcan
Rio Tinto Alcan
Cheslatta T'En First Nation
Aluminum Company of Canada (Alcan)
Premier Byron Johnson
Chilko Lake
Chilcotin
Fisheries and Oceans Canada
Fraser River
sockeye salmon
Kitimat
International Pacific Salmon Fisheries Commission
Kemano
Concrete

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