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  • Susitna-Watana Hydroelectric Project
    Study Report part D and next steps All of the reports are available online under the Documents section of the website On Dec 2 2015 the Federal Energy Regulatory Commission FERC published the updated licensing schedule As part of the licensing process there will be stakeholder meetings beginning in March and opportunities for public comment AEA works to maintain value of data collected Throughout the Susitna Watana Hydro licensing process a large priority for AEA has been to maintain the public value of the data collected In December 2014 Gov Walker issues Administrative Order 271 stopping all discretionary spending on six projects including Susitna Watana Hydro At that time AEA was in the midst of the Initial Study Report process The Initial Study Reports are essentially a progress report of the environmental studies This summer AEA was authorized to use existing funds to restart the federal licensing process to advance to the Study Plan Determination in 2016 AEA has filed a voluminous Initial Study Report Parts A B and C on June 6 2014 and part D on Nov 6 2015 Here is an overview of the Initial Study Report part D and next steps All of the reports are available online under the Documents section of the website On Dec 2 2015 the Federal Energy Regulatory Commission FERC published the updated licensing schedule As part of the licensing process there will be stakeholder meetings beginning in March and opportunities for public comment Initial Study Plan An incredible 8 600 pages of information was filed with FERC on June 3 as part of the Initial Study Report The Susitna Watana Hydro team will continue to review the data and provide updates to stakeholders and regulatory agencies during the coming months Why Susitna Watana Susitna Watana Hydro will deliver a little

    Original URL path: http://www.susitna-watanahydro.org/ (2016-05-01)
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  • Project Overview | Susitna-Watana Hydroelectric Project
    construction of a dam reservoir and related facilities in a remote part of the Susitna River 184 river miles from Cook Inlet 87 river miles beyond Talkeetna and 22 to 32 river miles above Devils Canyon which acts as a natural impediment to salmon migration Transmission lines connecting into the existing Railbelt transmission system and an access road would also be constructed The Alaska Energy Authority is in the mid stages of a long complex permitting process with the Federal Energy Regulatory Commission FERC and hopes to file an actual license application in the near future The anticipated cost is 5 19 billion including licensing and construction The type and level of financing has not yet been determined Initial models show Susitna Watana Hydro rates will be competitive with other fuel sources at start up Dam and Reservoir As currently envisioned Susitna Watana Hydro would include a 705 foot dam built into the steep sided Susitna River Canyon The nearly 23 500 acre reservoir would stretch about 42 miles long with an average width of 1 mile at normal maximum reservoir operating level providing the water storage necessary to generate the electrical capacity to meet 50 percent of current Railbelt electrical demand especially during critical winter months The reservoir fills during the spring and fall months when rainfall and snow melt is the greatest It is expected Susitna Watana Hydro will include three turbines which will generate electricity when water is released to meet Railbelt demand The maximum reservoir drawdown is anticipated to be 200 feet The height of the dam is measured from bedrock which could be approximately 100 feet below the natural water surface For perspective about 605 feet of the dam will be visible above the downstream water surface Thick alluvial deposits will be removed from the

    Original URL path: http://www.susitna-watanahydro.org/project/project-description/ (2016-05-01)
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  • Construction | Susitna-Watana Hydroelectric Project
    permanent employment facility transmission and a permanent airstrip The peak direct workforce is anticipated to be 800 1 000 The permanent operation and maintenance crew will be much smaller and housed in the permanent facilities During construction a temporary construction camp will house on site workers After construction the Alaska Energy Authority plans to remove most of the camp facility leaving only those aspects that are to be used to

    Original URL path: http://www.susitna-watanahydro.org/ancillary-facilities/ (2016-05-01)
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  • History | Susitna-Watana Hydroelectric Project
    a renewable energy goal for Alaska one of the most ambitious in the country It calls for generating 50 percent of Alaska s electricity from renewable sources by 2025 Today about 21 percent of the state s electricity comes from hydropower All other sources of renewable energy including wind solar geothermal and the rest contribute 1 percent of Alaska s electricity Alaska will continue to pursue a variety of renewable

    Original URL path: http://www.susitna-watanahydro.org/project/history/ (2016-05-01)
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  • Hydro Operations | Susitna-Watana Hydroelectric Project
    Hydro Land Access Agreement see 4 more Stay Informed Stay Informed Sign up to receive updates our newsletter Susitna Watana Hydroelectric Project Project Hydro Operations Hydro Operations Project Operations With hydroelectric projects water equates to energy The more water that is released the more power is produced A benefit of hydro is that it is able to quickly adjust to increasing demands disruption in supply from other sources of energy and to provide stability to other variable sources of power like wind In hydro project operations keeping a steady flow of water to meet the amount of power required for minimum daily demands is called baseload operations Alternating the water flows to adjust power output as electrical demand fluctuates throughout the day is called load following or peaking Environmental studies and modeling are underway to determine the balance between the need for power and environmental constraints Power Generation The powerhouse will be located immediately downstream of the dam site and will house three generating units each with an installed capacity of 153 megawatts MW at intermediate pool for a total capacity of 459 MW The exact sizing may change as a result of further transmission system studies The average annual

    Original URL path: http://www.susitna-watanahydro.org/project/hydro-operations/ (2016-05-01)
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  • Road Access & Transmission | Susitna-Watana Hydroelectric Project
    three potential routes A high level feasibility study was conducted by the Alaska Department of Transportation and Public Facilities ADOT PF and public comments were solicited to aid in the decision making process A favored route decision is not anticipated until the license application is filed with the Federal Energy Regulatory Commission FERC When at all possible the transmission lines will be co located with the road access A second transmission line is likely to provide redundancy and security for the Railbelt s Intertie The two east west road access corridor options are planned to terminate at the Alaska Railroad the north south route connects with the Denali Highway Chulitna Corridor Runs north of the Susitna River and extends to the Chulitna siding area Gold Creek Corridor Runs south of the Susitna River and extends to the Gold Creek area Denali Corridor Runs due north for a distance of about 44 miles connecting with the Denali Highway roughly 20 miles to the community of Cantwell The affected sections of the Denali Highway would be upgraded in order to facilitate safe construction and transportation safety improvements in Cantwell would be made Electric Transmission Facilities The transmission lines will begin at the dam site and consist of three 230 kV lines in either single or double circuit configuration The same three corridors under consideration for the access road are also those under consideration to connect Susitna Watana Hydro transmission lines to the Alaska Intertie Access to the transmission line corridors will be either by helicopter where there is no access road projected or by unpaved vehicle access from the permanent access roads at intermittent points along the corridor Alaska s Railbelt electrical grid serves 75 percent of Alaska s population and accounts for more than 85 percent of the state s electricity

    Original URL path: http://www.susitna-watanahydro.org/project/road-access/ (2016-05-01)
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  • Schedule | Susitna-Watana Hydroelectric Project
    Operations Road Access Transmission Schedule Study Plan FAQ Documents Meetings Past Meetings News Contact Why Hydro Schedule Susitna Watana Hydro Project ILP Timeline State of Alaska myAlaska My Government Resident

    Original URL path: http://www.susitna-watanahydro.org/project/schedule/ (2016-05-01)
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  • Study Plan | Susitna-Watana Hydroelectric Project
    any potential effects to the water quality of the Susitna River Baseline Water Quality Study PSP D RSP RSP Water Quality Modeling Study PSP D RSP RSP Mercury Assessment and Potential for Bioaccumulation Study PSP D RSP RSP Geomorphology Study PSP D RSP RSP Fluvial Geomorphology Modeling below Watana Dam Study PSP D RSP RSP Groundwater related Aquatic Habitat Study PSP D RSP RSP Ice Processes in the Susitna River Dam Study PSP D RSP RSP Glacial and Runoff Changes Study PSP D RSP RSP Instream Flow Studies Fish Aquatics Riparian A major area of research are hydrology characteristics and its relations with fish and aquatic biota and their habitats Fish and Aquatics Instream Flow Study PSP D RSP RSP Riperian Instream Flow Study PSP D RSP RSP Fish Aquatic Resources Dozens of studies are underway to better understand the Susitna River fish populations Fish Distribution and Abundance in the Upper Susitna PSP D RSP RSP Fish Distribution and Abundance in the Middle and Lower Susitna River PSP D RSP RSP Salmon Escapement Study PSP RSP River Productivity Study PSP D RSP RSP Characterization of Aquatic Habitats in the Susitna River with Potential to be Affected by the Susitna Watana Project PSP D RSP RSP The Future Watana Reservoir Fish Community and Risk of Entrainment Study PSP RSP Study of Fish Passage at Watana Dam PSP D RSP RSP Study of Fish Passage Barriers in the Middle and Upper Susitna River and Susitna Tributaries PSP RSP Aquatic Resources Study within the Access Alignment Transmission Alignment and Construction Area PSP RSP Genetic Baseline Study for Selected Fish Species PSP RSP Analysis of Fish Harvest in and Downstream of the Susitna Watana Hydroelectric Project Area PSP RSP Eulachon Distribution and Abundance in the Susitna River PSP RSP Cook Inlet Beluga Whale Study PSP D RSP RSP Wildlife Resources Distribution movements population size productivity and habitat of wildlife in the Susitna River and surrounding area are the subject of numerous studies Study of Distribution Abundance Productivity Survival of Moose PSP D RSP RSP Study of Distribution Abundance Movements and Productivity of Caribou PSP D RSP RSP Study of Distribution Abundance and Habitat Use of Dall s Sheep PSP D RSP RSP Study of Distribution Abundance and Habitat Use by Large Carnivores PSP D RSP RSP Study of Distribution and Abundance of Wolverines PSP D RSP RSP Study of Terrestrial Furbearer Abundance and Habitat Use PSP D RSP RSP Study of Aquatic Furbearer Abundance and Habitat Use PSP D RSP RSP Study of Species Composition and Habitat Use of Small Mammals PSP RSP Study of Distribution and Habitat Use of Little Brown Bat PSP D RSP RSP Survey Study of Eagles and Other Raptors PSP D RSP RSP Waterbird Migration Breeding and Habitat Study PSP D RSP RSP Breeding Survey Study of Landbirds and Shorebirds PSP D RSP RSP Study of Population Ecology of Willow Ptarmigan in Game Management Unity 13 Southcentral Alaska PSP RSP Study of Distribution and Habitat Use of Wood Frogs

    Original URL path: http://www.susitna-watanahydro.org/study-plan/ (2016-05-01)
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