Utility Scale Wind-Powered Electric Generation

 
As part of our diversified generation portfolio, we purchase 102 MW of wind power from Phase II of Horizon Wind Energy's Pioneer Prairie Wind Farm in Iowa. This is enough energy to power 26,000 average households. This wind power ties into the Midwest Independent System Operator (MISO) transmission grid, of which we are a member. Ameren Missouri began using wind power in June 2009 as part of an agreement with Pioneer Prairie. 

Fun fact 
The St. Louis Gateway Arch is 630 feet tall. A Suzion 2.1 MW wind turbine is 404 feet in total height. The turbine tower itself (without turbine blades) is 262 feet tall.


Additional wind power links
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