OESX - Orion Energy Systems Inc. 2023 Q1 - Results - Earnings Call Presentation August, 03 2022 03:16 PM Orion Energy Systems Inc. The following slide deck was published by Orion Energy Systems, Inc. in conjunction with their 2023 Q1 earnings call. For further details see: Orion Energy Systems, Inc. 2023 Q1 - Results - Earnings Call Presentation