Morningstar Corporation is a world-leading supplier of solar charge controllers & inverters—with over 2 million units installed, in over 67 countries around the world. Morningstar is renowned for delivering the industry’s best overall customer value—our solar charge controllers & inverters have set new standards in performance, innovative features, quality & reliability. Morningstar is a privately-owned US corporation. Our commercial office is located near Philadelphia, Pennsylvania and our engineering lab in Jessup, Maryland. Our products are manufactured in a fully automated / world-class ISO 9001 facility; and our Quality Control includes 100% functional testing on every product, using the latest computerized test equipment and processes.