 HOUSTON , Nov. 21, 2022 PRNewswire -- Powell Industries, Inc. NASDAQ: POWL, a leading supplier of custom engineered solutions for the management, control and distribution of electrical energy, today announced that it will release results for the fiscal fourth quarter and year ended September 30, 2022 on Monday, December 5, 2022 after the market closes. In conjunction with the release, Powell Industries has scheduled a conference call, which will be broadcast live within the Investor Relations section of the Companys website, on Tuesday, December 6, 2022 at 11:00 a.m. 