The Transmission Services department evaluates long-term requests for Network Integration and Point-To-Point transmission service through various processes, including the Aggregate Transmission Service Study (ATSS) process under Attachment Z1 of the SPP Open-Access Transmission Tariff (OATT), and performs screening studies through the Delivery Point Transfer (DPT) and Long-Term Service Request (LTSR) processes under Attachment AR of the SPP OATT.
To receive email updates from Transmission Services, sign up for the SPP Aggregate Studies Exploder.
For questions or study requests, please contact ATSS@spp.org.
- › Compliance and Advanced Studies
- Economic Planning
- › Generator Interconnection
- Interregional Relations
- › Modeling
- Project Tracking & NTCs
- Research, Development & Special Studies
- Reliability Planning
- Resource Adequacy
- Tariff Studies
- TCR Markets
- › Transmission Owner Selection Process
- › Transmission Planning
- Transmission Services