Niska Gas Storage, a Gridley, Calif.-based owner and operator of natural gas storage assets in North America, has filed for a $402.5 million IPO. It plans to trade on the NYSE under ticker symbol NKA. No underwriters are listed.
The Carlyle/Riverstone Global Power and Energy Fund acquired Niska Gas Storage in 2006 from EnCana Corp. (NYSE: ECA). www.niskags.com