FERC approved the proposed merger of Exelon and Pepco Holdings; SunEdison and TerraForm Power agreed to acquire First Wind for $2.4 billion; NorthWestern Energy closed on its $900 million purchase of facilities from PPL Montana; Siemens Energy Management partnered with Microsoft and FuelCell Energy to develop the nation's first zero-carbon, waste-to-energy data center; ABB commissioned a power solution that will control power flow and enhance grid stability in Michigan; AES Southland was awarded a 20-year PPA by Southern California Edison to provide 100 MW of interconnected battery-based energy storage; Renewable Energy Systems Americas developed what will be the largest, fully commercial energy storage projects in North America; Westinghouse Electric, China's State Nuclear Power Technology Corp., and Electricity Generation Co. agreed to develop and construct a four-unit nuclear power plant site in the Republic of Turkey. And others ...