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Published byJune Gibson Modified over 9 years ago
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Twin Groves Wind Farm Bloomington Moraine McLean County, Illinois A Strong Beginning for Illinois Wind Robert Nagel robertn84@gmail.com
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Project Overview Phase 1: 120 Turbines –As of 4/28/07: 64 Operational Turbines Phase 2: 120 Turbines –Totals: 240 Turbines = 400 Megawatts = 120,000 homes Spans 50 square miles –1,500 ft from living spaces –500 ft from highways –450 ft from county roads $700 Million Project Cost –About 12 year Payback period
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Tools for Project Estimates Wind Class Local Wind Rose Site Specific Measurements Turbine Details Economic Climate of Illinois Electricity Markets http://www.iira.org/pubsnew/publ ications/IVARDC_Reports_614.p df
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2002-2007 Horizon Launches Idea to Landowners –Informational Dinners & Private Meetings Authorize Test Towers at proposed sites Federal Production Tax Credit –1.8 cents per KWh for 10 years Positive Test Data 17 mph @ 80 m Capacity Factor: 35-39% means producing the rated power that % of time Make some sort of electricity over 91% of the time
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Vestas V-82~ 1.65 MW Denmark –Blades, Nacelle, and Rotor Flown to Louisiana, Railed to Bloomington, Trucked to Sites –Hub Height: 80 m –Blade Diameter: 82 m –Cut In: 7-9 mph –Cut Out: 55 mph –Active Pitch Control –Yaw Mechanism
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Transmission New Construction 103 Miles Underground Cables 12 Miles Surface Cables –$1 Million per Mile 2 Step Up Substations –Local Transmission –Regional Transmission ComEd Lines
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Down on the Farm –Warren and Betty 6 Turbines Receive Lease Payments –$5,100 per turbine, per year –payments increase with Consumer Price Index Inflation –Land Options –Leasing: Similar to a fuel cost –Buying: Higher Capital Cost –Limited Liability Corporation (LLC)
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http://www.eia.doe.gov/oiaf/aeo/pdf/trend_2.pdf Illinois 2006 Electricity Generation 16,444 GWh 2007 Electricity Generation 18,251 GWh 11% Increase Energy Information Administration: Table 1.6.A. Net Generation by State by Sector, January 2007 and 2006
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Political Conditions Renewable Portfolio Standards (RPS) –Non-mandatory Goal of 8% in 2013 Solar Water Heat, Solar Thermal Electric, Photovoltaics, Landfill Gas, Wind, Biomass, Hydroelectric, CHP/Cogeneration –75% from Wind
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Conclusions Pursuit Yankee Ridge –Land Owners –Site Specific Data –Proximity to Grid Transmission Politically Encourage Wind Power –Mandatory Renewable Portfolio Standard –Federal Tax Reduction Credit –Carbon Tax
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