High Quality Content by WIKIPEDIA articles! Wabash Valley Power Association is an electric generation and transmission cooperative headquartered in Indianapolis, Indiana. Wabash Valley provides wholesale power to 28 distribution cooperatives in Illinois, Indiana, Michigan and Missouri that reach over 350,000 businesses and residences. The cooperative operates under the business model of the National Rural Electric Cooperative Association.Wabash Valley is a member of the PJM Interconnection and the Midwest Independent Transmission System Operator and a founding member of Touchstone Energy.