Effect of PTC Expiry on US Wind Power Capacity

Cumulative Installed Wind Turbine Capacity

Alternative Energy Hurt By a Windmill Shortage – WSJ.com

parts of a wind turbine

BP Global – Reports and publications – Going with the wind

Pie-Chart of the various Energy Sources

Wind Power – World’s Largest Wind Turbine

Yes, it’s that big. This image shows a helicopter servicing the 5MW machine in an offshore wind project situation.