desert sky wind farm january 2004 welcome desert sky wind farm pecos county, texas
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January 2004 Desert Sky Wind Farm
WelcomeWelcome
Desert Sky Wind FarmPecos County, Texas
Desert Sky Wind FarmJanuary 2004
Wind Power’s PlaceWind Power’s Place
Important part of mix Free fuel No emissions management
Maturing technology Cost competitive
Predictable at proven sites Low risk at proven sites
Fastest growing source Future looks bright
January 2004 Desert Sky Wind Farm
Wind Growth in U.S., TexasWind Growth in U.S., Texas
1,687 Megawatts (MW) added in 2003
204 MW in Texas 410 MW added in 2002 1,696 MW added in 2001
915 MW in Texas 28% average annual expansion in U.S. capacity over the last five years Total installed capacity:
U.S. - 6,374 MW in 32 states Texas – 1,293 MW Texas ranks 2nd in U.S.
Source: American Wind Energy Association
January 2004 Desert Sky Wind Farm
Wind Industry DriversWind Industry Drivers
Competitive cost Long-term price stability Environmental attributes Federal wind tax credit equaling 1.7 cents per KWH Texas Senate Bill 7 (electric industry restructuring) Rural development Ease of permitting
January 2004 Desert Sky Wind Farm
Senate Bill 7 DetailsSenate Bill 7 Details
Senate Bill 7 (1999 electric restructuring legislation) included renewable portfolio standard (RPS)
Requires additional 2,000 megawatts (MW) of capacity in state of Texas by Jan. 1, 2009 (beyond 880 MW installed at the time)
Under SB7, cumulative installed renewable capacity in Texas must grow to: 1,280 MW (an additional 400 MW) by Jan. 1, 2003 1,730 MW (an additional 450 MW) by Jan. 1, 2005 2,280 MW (an additional 550 MW) by Jan. 1, 2007 2,880 MW (an additional 600 MW) by Jan. 1, 2009
2,880 MW equates to about 3% of TX electricity in 2009 Installed wind capacity in TX as of Jan. 1, 2004 was
1,293 MW
January 2004 Desert Sky Wind Farm
Texas Wind Projects vs. Load CentersTexas Wind Projects vs. Load Centers
Dallas- Ft. Worth
Austin
San Antonio
Houston
Rio Grande Valley
Corpus Christi
January 2004 Desert Sky Wind Farm
Wind Energy PotentialWind Energy Potential
0 200 400 600 800 1000 1200 1400
N.Dakota
Texas
Kansas
S.Dakota
Montana
Nebraska
Wyoming
Oklahoma
Minnesota
Iowa
In Billions of KWH
January 2004 Desert Sky Wind Farm
Declining Cost of WindDeclining Cost of Wind
0
5
10
15
20
25
30
35
40
1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006
$’s Per MWHDoes not include Federal wind tax credit; reduces cost 1 cent / kWh or $10 / mWh
January 2004 Desert Sky Wind Farm
Utility Interest in Wind EnergyUtility Interest in Wind Energy
Rapidly declining cost Rapidly growing industry Adds to fuel source diversity Environmental benefits High levels of public support Legislative or regulatory
mandates Abundant resources in U.S.
January 2004 Desert Sky Wind Farm
Wind Site ConsiderationsWind 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
January 2004 Desert Sky Wind Farm
Desert Sky Wind FarmDesert Sky Wind Farm
GE Wind Energy built project; performs O&M
CPS buying power
AEP owns facility
January 2004 Desert Sky Wind Farm
Desert Sky DetailsDesert Sky Details
160 megawatts – 107 turbines at 1.5 MW each
Located on Indian Mesa near Iraan and Bakersfield, TX
Project covers 15 sq. miles Enron Wind (now GE Wind Energy)
developed and constructed the project; now performing O&M
AEP purchased project after completion in 2001 -- $175 million investment
Power is sold to City Public Service of San Antonio under long-term power supply agreements
January 2004 Desert Sky Wind Farm
GE Wind Energy 1.5 -- Operation GE Wind Energy 1.5 -- Operation
Operates in 8-56 MPH wind Onboard weather station Electronically controlled Yaw control facing wind Variable speed via blade pitch Operates at 11-20 RPM Desert Sky a 107-unit power plant (each turbine is self-contained unit)
January 2004 Desert Sky Wind Farm
Tower and Turbine ProfileTower and Turbine Profile
GE Wind Energy 1.5 turbines Each rated at 1.5 megawatts (1,500 kilowatts) 328 ft. base to blade tip Foundation 18 to 26 ft. deep Tower in three sections 163.3 tons total
January 2004 Desert Sky Wind Farm
Wide Sweep of Turbine BladesWide Sweep of Turbine Blades
231 ft.231 ft.
211 ft.211 ft.
Each blade 112 ft. long 231 ft. blade tip to tip Span greater than 747 airliner
January 2004 Desert Sky Wind Farm
Wind Turbine UnitsWind Turbine Units
Nacelle56 tons
Tower3 sections
Blade112’ long
Workers
January 2004 Desert Sky Wind Farm
NacelleNacelle
Nacelle (nuh-cell) shown before assembly Houses generator and gearbox Resembles large travel trailer Weighs 56 tons
January 2004 Desert Sky Wind Farm
Inside NacelleInside Nacelle
January 2004 Desert Sky Wind Farm
Desert Sky MapDesert Sky Map
Dallas, 400 Miles San Antonio, 266 Miles Odessa, 90 Miles
Ft. Stockton, 50 miles McCamey, 20 Miles Iraan, 12 Miles
Desert Sky
January 2004 Desert Sky Wind Farm
More InformationMore Information
AWEA.ORG American Wind Energy Association
AEP.COM American Electric Power
CITYPUBLICSERVICE.COM City Public Service, San Antonio
GEWIND.COM GE Wind Energy
DESERTSKYWIND.COM Desert Sky Wind Farm
January 2004 Desert Sky Wind Farm
Thank You!Thank You!