More Tgi Solar Power Group, Inc. news Tgi Solar Power Group, Inc.OTC: TSPG TGI Updates: Completes Filing of Two Quarterly Reports for The Period Ending October 31, 2017 and January 31, 2018. May 1, 2018 · Issued by Tgi Solar Power Group, Inc. As issuedPlain English The original release is unavailable here.