Kansas Renewable Energy & Efficiency Conference ‘07

Smoky Hills Phase I Wind Project Update

• Founded 2001

• Lenexa, Kansas Based

• Senior managers have 60+ years Utility and IPP experience

• Directly managed - 5,300 MWs valued at over $5 Billion

• 2,300 MWs of wind development in central USA

Owned by local investors and Enel S.p.A.

TradeWind An Experienced Power Team

TWE/Enel- Leaders in Renewable Power Development

• TWE Form’s Strategic Alliance with Enel - 2006• Enel S.p.A. is Italy’s Largest Electric Utility

– $65 billion market capitalization

– $51+ billion revenue

– Over 53,000+ MW’s of electric generation worldwide

– 19,000 + MW’s of renewable electric generation

Enel will invest $ 6 billion in renewable energy worldwide

Smoky Hills – Centrally Located

Smoky Hills Development Highlights • 1st Met tower – June 2003 • Land leasing - 24+ months• Public meetings - multiple

meetings ‘03 through ‘06• Environmental evaluation• Power contracting – 2006• Turbine selection – 3Q ‘06 • BOP selection – 3Q ‘06• Start of construction 2Q ‘07

Environmental Due Diligence • TWE conducted the environmental work on this project with

the assistance of the following groups and contractors:– TRC Mariah, Inc.– Burns & McDonnell, Inc.– Chatman & Associates, Inc.– United States Fish and Wildlife Service– Kansas Department of Wildlife and Parks– Kansas Department of Health and Environment– United States Corps of Engineers– Lincoln County, Kansas– Ellsworth County, Kansas

Environmental & Archeological• Environmental Studies conducted for the project:

– Threatened and Endangered Species review and Critical Habitat Delineation (2005)

– Raptor nest inventories (2005 and 2007)– Prairie Chicken Lek and population counts (2005, 2006, and 2007)– Wetland inventory mapping– Migratory corridor review– Cultural resources review– Paleontological Resources review

250 MW site

Phased construction

230 kV system

22,000+ acres

40 leases

I-70 good access for construction

Smoky Hills Site

Smoky Hills Project Construction

Phase I-100.8 MW Smoky Hills Phase I Schedule

I. Start – April 2007

II. Turbine erection – August 2007

III. Substation Complete – November 2007

IV. Commissioning & COD-December 2007

Vestas – V80 1.8 MW Turbines

56 Vestas V 80 1.8 MW TurbinesTower – 78 m / 13.5 ft diamBlade – 80 m diam.Tower – 197 tonsNacelle & rotor – 104 tons

Turbine erection by Vestas

M.A. Mortenson – Balance of Plant MAM a leader in USA wind power construction

Access Roads – 22 miles

Underground cable – 22.5 miles

Overhead line - 7 miles

Foundation Excavation ~ 15 feet deep

Rebar & Tower Bolt – 60+ Tons

Foundation Pour – 490 cubic yards

Foundation w/o Pedestal Pour

Kannapolis Rail Yard

Site Lay Down & Staging Yard

Tower Delivery – Area 2

Setting Tower Base Section

Setting Second Tower Section

Setting 1st Nacelle – September 21st

Blade Delivery ~ 131 feet

Avoided Emissions & Energy ProductionSmoky Hills Phase I Eliminates

~ 203,000 tons CO2/ year

~ 665 tons S02/year

~ 455 tons NOx/ year

Energy supply equivalent to ~35,000 homes

Smoky Hills Energy Supply CustomersOver 235,000 customers will benefit from Smoky Hills renewable energy

Phase I Power Purchasers Include :

Sunflower Electric – Hays, KS

Board of Public Utilities – Kansas City, KS

Midwest Energy – Hays, KS

All Phase I energy will be consumed in Kansas

Economic Development BenefitsSmoky Hills will bring significant economic benefit to central Kansas

Over 150 construction jobs – at peak

$14 million in local spending during construction

Over $ 16 million to county government & local land owners

Over $ 8 million in salary & benefits for operations staff