Eva Creek Wind Project Update Tri-Valley Community Center

August 25, 2011 Greg Wyman, Project Manager Golden Valley Electric Association

Nat. Gas

Coal

Hydro

Oil

23% to 31%

28% to 28% 46% to 37%

3% to 4%

GVEA’s Mantra – Kick the Oil Habit!

3%

28%

46%

23%

2009

31%

37%

4%

28%

2010

Residential Bills (700 kWh)

$138

$122

$152

$127$123

$101

$84

$75

Jan-04 Jan-05 Jan-06 Jan-07 Jan-08 Sep-08 Jan-09 Jan-10

2004 - 2010

• 2004 - $75

• 2005 - $84

• 2006 - $101

• 2007 - $123

• 2008 - $127

• 2008 - $152

• 2009 - $122

• 2010 - $138

• Oil volatility!

Eva Creek, Ferry, AK

Project Financing 2009-2011

• Clean Renewable Energy Bonds (CREB)

– Initial CREB offering high interest rate

– Now Federal rebate – good interest rate which results in project costs approaching avoided cost

• Received $2 million State of Alaska Renewable Energy Fund Grant

Project Financing 2011

• Received $1.4 million State of Alaska Renewable Energy Fund Grant for Turbine Purchase

• Received $10 million Legislative Appropriation

Collecting wind data since 2003

Flow Analysis Results

Location adjacent to the Intertie

Wind Variability

Project Status Overview

• Completed Wind Resource Assessment – Data collection from 2003 to present

– Energy yield assessment for REpower turbines

• Completed Studies – Avian impacts

– Wetland impacts

– Archeological and Cultural impacts

– Aviation impacts

Project Status Overview

• Coordination with ARRC for siding upgrades

• Conceptual design for Access Roads and Turbine Pads

– Design for Ferry Road Upgrades and Site Access

– Development Plan for DNR and USCE Permits

• State of Alaska DOT Ferry Road permit

• US Army Corps of Engineers wetlands permit

• State of Alaska DNR lease and access

• FAA aeronautical determination

REpower MM92 CCV Turbine

Wind Energy Convertor (WEC)

• Installing 12 REpower CCV MM92 Turbines

2.05MW rated output @ 12.5 m/s (28 mph)

80 m (262 ft) Hub Height

92.5 m (303 ft) Rotor Diameter

45.2 m (148 ft) Blade Length

3.0 m/s Cut-in Speed (6.7 mph)

24.0 m/s Cut-out Speed (53.7 mph)

REpower MM92 Tower Base

REpower MM92 Blade

Balance of Plant Construction

• Selected Michels Wind Energy for BOP – Brice, Inc. (Civil Construction)

– PDC Engineers (Civil Design)

– Golder Associates (Geo-Technical Design)

– Stantec Engineering (Electrical Design)

Proposed Project Schedule

• Order REpower Turbines (Oct 2011)

• Civil, Structural & Electrical Design (Aug 2011 – Feb 2012)

• Mobilization & Deliveries (April – July 2012)

• Civil Construction (August 2011 – July 2012)

• Building Construction (May – Sept 2012)

• Substation & Feeder Construction (May – Sept 2012)

• Turbine Foundations (June – July 2012)

• Turbine Erection (Aug – Sept 2012)

2011 Balance of Plant Activities

• Civil design of Ferry Rail Siding and Ferry Road

• Mancamp preparations

• Construct Ferry Railhead Staging Area

• Begin Construction of Ferry Road within DOT right-of-way

REpower MM92 Blade

Questions