SUGAR LAND--March 1, 2012--Researched by Industrial Info Resources (Sugar Land, Texas)--This week has brought new announcements regarding utilities' plans to take aging coal-fired power plants offline, as low natural gas prices and increased legislation regarding emissions continue forcing generators to make decisions about the futures of the their coal-fired fleets. This week's announcements regarding closures came from GenOn Energy Incorporated (NYSE:GEN) (Houston, Texas) and Midwest Generation LLC (Chicago, Illinois), which is a subsidiary of Edison International (NYSE:EIX) (Rosemead, California).