Among the many concerns that have emerged since the blackout occurred is the role of the regional grid operators generally in addressing transmission system reliability and disturbance control and, more specifically, the role of the Midwest Independent Transmission System Operator Inc. (MISO), according to a report published this week by Standard & Poor's Ratings Services.

Wind power developers bemoan the fact that abundant wind usually exists in regions remote from load centers, where there is rarely adequate transmission to connect wind-generated electricity to population centers.