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International Wind-Diesel Conference 2011Girdwood, Alaska
Susitna Energy SystemsSouthwest Windpower
Perryville, Alaska Wind FarmKirk Garoutte, Susitna Energy
Jay Yeager, SWWPSimple Solutions to Large Problems
• Est. 1996, Alaskan Owned and Operated
• Energy Solutions Statewide – Wind, Solar Solar Hydronics, Micro-Hydro
• ~ 300 Systems Installed State-wide
• Perryville, Alaska - Project Lead
The Turbine
Perryville Construction Costs
• $150K Wind Farm - Start to Finish• Financed by Native Village of Perryville• Owner operated and maintained (pride of
ownership)• ROI ~25,000kW-hr/yr @ $0.60 kW-hr ~ 10yrs• ROI ~6,000 gal.-fuel/yr @ $4.50 gal. ~ 6yrs (and
becoming less every day)
Perryville Performance
• Commissioned Nov. ‘08• 10 Southwest Windpower Skystream 3.7
Turbines on 70’ Guy Supported Towers • 25 kW Wind Farm & 120kW John Deere Diesel
Generator (~20% penetration)• Class 2 Wind Regime – Avg. 4.60 m/s• >65 MwHrs Prod. Since Commissioned
Key Benefits
• Size and scalability of multiple small wind turbines can provide a better fit to the application
• Offers multiple redundancies compared to single large turbine installations
• Very short project cycle time and uncomplicated logistics
• Self erecting towers do not need heavy lifting equipment.
Key Benefits
• All assembly and maintenance performed at ground level
• Economic development and new local employment
• Minimum balance of systems requirements• Able to blend with existing systems• Competitive installed cost
Perryville Lessons Learned• Keep It Simple and Sustainable
• Expand remote monitoring capabilities and improve
communications system on future projects
• Better front end modeling and closer project management will reduce cost and cycle time on future projects
Perryville Lessons Learned
Multiple, small turbines can be maintained by local people who are trained by dealer and manufacturer
Perryville Lessons LearnedCommunity participation in and ownership of the
project are key to success
Susitna Energy Systems2507 Fairbanks St. Anchorage, AK 99503907.337.1300
Southwest Windpower1801 W Rt. 66 Flagstaff, AZ 86001928.779.9463
“Simple Solutions to Large Problems”[email protected]