The Pennsylvania plant, site of the worst U.S. nuclear energy accident, is at the forefront of efforts to expand nuclear capacity to meet rising electricity demand. Electric Light and Power, Global Warming, Shutdowns (Institutional), Nuclear Energy, Computers and the Internet, Regulation and Deregulation of Industry, Data Centers, Radiation, Greenhouse Gas Emissions, Stocks and Bonds, United States Politics and Government, Energy Department, Microsoft Corp, Nuclear Regulatory Commission, Constellation Energy, Three Mile Island (Pa), Susquehanna River, Dominguez, Joseph The Pennsylvania plant, site of the worst U.S. nuclear energy accident, is at the forefront of efforts to expand nuclear capacity to meet rising electricity demand. NYT > Business