Transource Technical Standards As an AEP affiliate, Transource will utilize the interconnection requirements and approved contractors posted under the AEP portion of Transmission Owner Engineering & Construction Standards, except the contents pertaining to interconnections to the AEP distribution systems. Date Approved Contractors and Major-Equipment Vendors PDF 12.2.2024 AEP Interconnection Requirements PDF 12.31.2024 Independent Power Producer Option to Build Guidelines PDF 12.11.2023 Standards for Siting, Real Estate, ROW & Environmental Permitting for Interconnection Projects PDF 10.31.2022 Historical Standards: ZIP