Opower, which provides customer engagement solutions for the utility industry, filed on Monday with the SEC to raise up to $100 million in an initial public offering. The Arlington, VA-based company, which was founded in 2007 and booked $89 million in sales for the fiscal year ended December 31, 2013, plans to list on the NYSE under the symbol OPWR. Opower initially filed confidentially on November 12, 2013. Morgan Stanley and Goldman Sachs are the joint bookrunners on the deal. No pricing terms were disclosed.