Regional Transmission Expansion Plan (RTEP)

PJM’s Regional Transmission Expansion Plan identifies transmission system additions and improvements needed to keep electricity flowing to the millions of people throughout PJM’s region. PJM’s annual RTEP Report describes transmission study input data, processes and results, as well as PJM Board-approved transmission upgrades and process changes during the previous year. Periodically, PJM publishes white papers that present study input parameters and address transmission planning topics of current stakeholder interest.

RTEP In Review
2023 RTEP in Review

The 2023 Regional Transmission Expansion Plan (RTEP) PDF report includes a summary of reliability, market efficiency and operational performance studies. The report also examines trends that continued throughout 2023 and will drive PJM’s grid of the future, including the ongoing shift from fossil fuels to renewables and the impact of public policy.

The report describes the annual RTEP process, including the NERC and regional planning criteria that drive the analysis, and the resulting studies and proposal windows. Specific results from studies conducted throughout 2023 are summarized, including baseline reliability, market efficiency, operational performance, transmission owner criteria analyses and interregional studies.

In addition to the presentation of PJM-wide results, PJM presents state-by-state summaries of planning activities that occurred in 2023.

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