Delmarva Power & Light Technical Standards Date Exelon Transmission Facility Interconnection Requirements PDF 1.1.2024 Approved Contractor List PDF 3.25.2025 Exelon Utilities Transmission Bus Configuration Design Philosophy PDF 5.19.2021 PHI Technical Considerations for Generation Parallel Operations PDF 10.13.2016 PHI Operations and Modifications Requirements PDF 10.10.2011 DPL - Facilities Study Approved Vendor List PDF 11.16.2018