OESX - Orion Energy Systems Inc. 2022 Q4 - Results - Earnings Call Presentation June, 07 2022 09:19 AM Orion Energy Systems Inc. The following slide deck was published by Orion Energy Systems, Inc. in conjunction with their 2022 Q4 earnings call. For further details see: Orion Energy Systems, Inc. 2022 Q4 - Results - Earnings Call Presentation