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  • Is Susitna-Watana Hydro the only renewable energy project the State is pursuing? | Susitna-Watana Hydroelectric Project
    only renewable energy project the State is pursuing No Although Susitna Watana Hydro is essential to achieving Alaska s 50 percent renewable electrical energy goal by 2025 the state needs to pursue all renewable energy sources Each type of energy source brings different benefits that will help Alaska diversify its overall energy portfolio The Alaska Energy Authority AEA administers the Renewable Energy Fund legislation that placed Alaska at the forefront

    Original URL path: http://www.susitna-watanahydro.org/faqs/is-susitna-watana-hydro-the-only-renewable-energy-project-the-state-is-pursuing/ (2016-05-01)
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  • Are wind and solar power viable alternatives to a large hydro project like Susitna-Watana Hydro? | Susitna-Watana Hydroelectric Project
    diversifying Alaska s energy portfolio Hydropower provides a stable energy source and power Other renewable energy sources like wind and solar have no ability to store generated power and must be backed up with other power sources In addition they are unreliable sources of power i e the sun isn t always shining nor is the wind always blowing As a result these energy sources are challenging to integrate into any power system Hydropower provides the perfect complement to variable energy sources increases their generation and helps integrated them into the existing power grid Today hydropower generates 99 7 percent of all renewable energy produced in Alaska Wind solar geothermal and other renewable sources make up the remaining 03 percent Two large wind projects in the Railbelt are coming online in 2012 Chugach Electric customers will soon begin receiving power from Fire Island Wind In Fairbanks Golden Valley Electric Association is constructing Eva Creek the state s largest wind project For comparison Susitna Watana Hydro will provide 56 times the amount of electricity generated annually by the 11 turbine Fire Island Wind project initial capacity It would take roughly 616 wind turbines like those at Fire Island to produce the

    Original URL path: http://www.susitna-watanahydro.org/faqs/are-wind-and-solar-power-viable-alternatives-to-a-large-hydro-project-like-susitna-watana-hydro/ (2016-05-01)
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  • What about the threat of earthquakes and their potential impact on Susitna-Watana Hydro and dam safety? | Susitna-Watana Hydroelectric Project
    Defining the maximum credible earthquake requires an understanding of potential seismic sources in the region and the potential effects of an earthquake on the proposed dam Potential seismic sources are characterized by defining locations frequency and magnitudes of future earthquakes likely to affect the project Additionally ground motion analyses will help define the strength and duration of shaking likely to be imposed on the dam Seismic design analyses are performed to evaluate the response of the dam to the seismic loads and the findings are incorporated into the final design to satisfactorily resist EF1 the loads imposed by future seismic events AEA is conducting geologic and seismic investigations building on an extensive seismic hazard assessment that was conducted as part of the 1980s project In addition AEA is mapping potential earthquake sources and collecting data on recent seismic events In 2012 through a partnership with the Matanuska Susitna Borough the Susitna River has been digitally mapped with Light Detection and Ranging LiDAR which will enhance the current understanding of local faults AEA is conducting geologic and seismic investigations to update the seismic studies undertaken in the 1980s and will use that information in the design Current studies include updating the seismic source characterization seismic hazard evaluation using both probabilistic and deterministic analysis and ground motion evaluations Furthermore detailed evaluations of faulting and geologic conditions are being conducted using remote imagery products such as Light Detection and Ranging LIDAR to map potential traces of faults New and extensive geologic and geophysical research is being incorporated and new field studies and subsurface investigations are being performed Improvements in seismic monitoring have lead to a greater understanding of earthquake occurrence in the region Seismic monitoring will be further enhanced The Alaska Earthquake Information Center has installed seismograph stations near the proposed dam site

    Original URL path: http://www.susitna-watanahydro.org/faqs/what-about-the-threat-of-earthquakes-and-their-potential-impact-on-susitna-watana-hydro-and-dam-safety/ (2016-05-01)
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