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Published byDella Perry Modified over 9 years ago
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2 Large Service Area ◦ Copper Basin and Valdez Electrically isolated from neighboring utilities 50% Hydro / 50% Fossil Fuels Current Rates ◦ 18¢/kWh (Summer) to 30¢/kWh (Winter)
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3 Project Cost Potential Energy Output Environmental and Cultural Concerns Land Ownership Location to Existing Transmission Infrastructure
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4 Pre-Feasibility Study completed January 2011 ◦ Capacity 4.2-6.4 MW (37,000-45,000 MWh) ◦ Multiple Land Owners Chugach Alaska Regional Native Corporation Tatitlek Alaska Village Native Corporation Lands rich with Alaska native cultural resources Conservation easements – Exxon Valdez Oil Spill Trustee Council and Tatitlek Corporation USFS lands – Transmission line routing (roadless rule) 25 miles (138kV)
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5 ◦ Environmental Outlet regarded as a valuable natural salmon stream Large number of bird species in the area Dense Eagle population ◦ Project Costs Estimated design and construction $157M Cost of power 31¢ to 41¢/kWh Board of Directors concluded not to move forward on this project
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6 Pre-Feasibility Study Completed – February 2008 ◦ FERC preliminary permit issued September 2008 Feasibility Study Completed – May 2010 ◦ 6 different options studied Dam Storage (Option 3c) selected Difficult Construction Site access, avalanche, glacial moraine Capacity 6.5 MW (22,000 MWh) Project Cost $63M Cost of power 26¢/kWh
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7 Change of Direction (Option 4a) ◦ Final Feasibility Study addendum – January 2011 Run-of-River ◦ No winter energy Reduce risk utilizing a diversion structure ◦ Capacity 6.5 MW (16,000 MWh to 23,300 MWh) ◦ Construction Challenges Steep terrain Short construction season Large amounts of snow
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8 ◦ Environmental Dolly Varden in bypass reach of the creek Salmon downstream of discharge ◦ 4 miles of distribution (25kV) ◦ Project Cost $39M Cost of power 21¢/kWh
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9 FERC license application submitted August 2011 ◦ FERC Draft Environmental Assessment - December 2012 Project Benefits ◦ Increases Hydro portfolio to 67% ◦ Displaces 1,100,000 gallons of diesel fuel annually ◦ Expands current hydro generation season
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10 Financing options for Allison Creek Hydro ◦ AK Renewable Energy Fund CVEA awarded $2.2M ◦ AK Power Project Loan Fund ◦ AK SB25 – Loan Program ◦ Direct state legislative appropriations CVEA awarded $11M ◦ Good project gets even better with Grant Funds With grants, current cost of power 16¢/kWh Construction scheduled to be completed October 2015
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