Desert Sky

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Welcome
Desert Sky Wind Project
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Wind Powers Place

• Important part of mix
• Free fuel
• No emissions management
• Maturing technology
• Cost competitive
• Predictable at proven sites
• Low risk at proven sites
• Germany 1, U.S. 2
• Fastest growing source
• Future looks bright

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Wind Growth 2001

• 1,700 MW in U.S. 2001
• 16 states, Texas leads
• 900 MW in Texas 2001
• More in Texas than entire country in previous
  years
• U.S. installed capacity total 4,258 MW, 26
  states

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US Wind Projects
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Wind Industry Drivers

• Low cost
• PTC, 1.7 cents per KWH
• Texas SB 7
• Becoming mainstream
• Rural development
• Skilled workforce
• Good remote locations
• Transmission network

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Declining Cost of Wind
s Per MWH
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Wind Site Considerations

• Willing landowners and public
• Windy site
• 1-5 years of data
• mesa
• few trees
• Lots of land -- rural
• Environmental studies
• Endangered species
• Avoid bird flyways
• Archaeology studies
• Transmission network

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U.S. Wind Resources
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Wind Energy Potential
In Billions of KWH
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Desert Sky Wind Project
AEP owns
CPS buying power

• GE Wind Energy built and OM

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Desert Sky Details

• AEP 175 Million investment
• 107 turbines, GE Wind 1.5 MW
• GE Wind Energy OM
• CPS buys power long-term
• Remote and rural
• Indian Mesa
• Pecos County
• Iraan, Texas
• Project Covers 15 Square Miles

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GE Wind Energy 1.5 Operation

• Operates in 8-56 MPH wind
• Onboard weather station
• Electronically controlled
• Each turbine self-contained
• Desert Sky a 107 unit plant
• Yaw control facing wind
• Variable speed via blade pitch
• Operates at 11-20 RPM

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Tower Turbine Profile

• 328 base to blade
• Each blade 112
• Span greater than 747
• 163.3 tons total
• Foundation 20 deep
• Rated at 1.5 megawatt
• Supply at least 350 homes

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Wide Sweep

• GE Wind Energy
• 1.5 MW turbines
• 231 ft. blade tip to tip

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Wind Turbine Units
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Nacelle

• Nacelle (nuh-cell)
• Houses generator and gearbox
• Resembles large travel trailer
• Weighs 56 tons

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Inside Nacelle
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Desert Sky Map

• Dallas, 400 Miles
• San Antonio, 266 Miles
• Odessa, 90 Miles

• Ft. Stockton, 50 miles
• McCamey, 20 Miles
• Iraan, 12 Miles

Desert Sky
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More Information

• AWEA.ORG
• American Wind Energy Association
• AEP.COM
• AEPs web
• CITYPUBLICSERVICE.COM
• City Public Service
• GEWIND.COM
• Enron Wind
• DESERTSKYWIND.COM
• Desert Sky Wind

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Thank You!