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”kirk@susitnaenergy.com