Array Technologies, a manufacturer of ground-mounting systems used in solar PV projects, has filed to raise $675 million in an IPO of its common stock, according to an S-1 registration statement. The company intends to raise $675 million in gross proceeds from an IPO of its common stock, with the company selling 7 million shares and the major shareholder selling 26.75 million shares at a proposed midpoint price of $20 per share.