Ohio Power Siting Board (OPSB) Learn More Before construction can begin on any major utility facility (including solar projects) or economically significant wind farm within the state of Ohio, a certificate of environmental compatibility and public need must be obtained from the OPSB. The OPSB has a full-time staff to answer your questions about the OPSB process. The Harvey Solar Team is available to answer questions about the development of this Project The OPSB process for solar energy facilities is robust yet transparent. Harvey Solar is currently in the “Rehearing/Appeal” portion of the flowchart