1. Twin Groves Wind Farm Bloomington Moraine McLean County, Illinois A Strong Beginning for Illinois Wind Robert Nagel robertn84@gmail.com

2. 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

4. 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

5. 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

6. 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

7. 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

8. 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)

9. 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

10. 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

11. 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