American Reading Company and TerraSol completes 313kW high efficiency SunPower Helix Roof solar power system Updated On Mon, Jul 18th, 2016 by Saurenergy American Reading Company and SunPower commercial partner, TerraSol Energies has announced the completion of a 313-kilowatt high efficiency SunPower Helix Roof solar power system at American Reading’s warehouse in King of Prussia. The SunPower Helix Roof product launched last year is the company’s first fully-integrated rooftop solar solution for commercial customers. It is a pre-engineered, […] Read more