eva creek wind project update - gvea
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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
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