Principal Solar, Inc. submitted a filing to the Securities and Exchange Commission (SEC) on June 8, 2015 about its initial public offering (IPO). However, investors may have some questions about the Principal Solar IPO . . . → Read More: Principal Solar IPO: Everything You Need to Know Before it Hits the Market Similar Articles: Company Update: The Southern Company (NYSE:SO) – Southern Company subsidiary furthers renewable energy leadership by acquiring 103-megawatt Georgia solar project Stock Update (NYSE:SO): Southern Company accelerates sustainable energy innovations with five solar projects in three states Stock Update: Duke Energy Corp (NYSE:DUK) – Duke Energy proposes innovative solar programs for South Carolina