1. Diavik Wind Farm NWT Chamber of Commerce 4 th April 2012

2. Location

3. Diavik

5. 5 Diavik is completely dependent on diesel for all site power needs. Hybrid power options sought to reduce cost and decrease GHG emissions. Why Wind Power?

6. 6 Reduced power generation costs. ~ $30 million investment with 8 year payback. ~ 10% reduction in diesel power generation. > 4 million litres reduction in diesel usage per year. Equates to around 100 truckloads per year. 12,000 tonnes reduction in CO2 emissions per year. 6% overall reduction in GHG emissions. What will Wind Power deliver?

7. 7 Four Enercon E70 generators. 9.2 Megawatt installed capacity 2.1 to 6 Megawatt online capacity. 17 GWh power produced annually. Designed to operate to -40 o C. Diavik Wind Farm Tower height65m Blade length35m Total height100m Generator weight55 tonnes

8. 8 2008 Commence wind data collection. 2010 Analysis of wind data and project feasibility study. 2011Project approval / contract negotiations. Generators ordered and commenced construction. Site geotech. drilling / construction commenced. Generator components shipped to Canada. 2012Generator components transported to site via the Winter Road. Complete site construction and erection of wind turbines. Power generation commences. Timeline

9. 9

10. 10 First large scale wind farm installed at a remote operating mine. Largest remote wind-diesel power generation installation. Application of technology designed for arctic conditions. Innovation

11. 11 Demonstrate wind power as a viable component of power generation in the North. Provide support to future wind power initiatives and develop northern capability. Weather tower donated to Det’on Cho Earth Energy Giant Mine study. Benefits beyond Diavik…

12. 12 Questions?