ERCOT's Transmission Planning Process
ERCOT Communications | Source: ERCOT | Posted 08/13/2025

In this ERCOT Trending Topic, we explain ERCOT’s transmission planning process, the Regional Transmission Plan (RTP), and Regional Planning Group (RPG), and how they are critical to the reliability of the transmission network in the ERCOT Region.
AI generated summary
ERCOT's transmission planning process is essential for maintaining the reliability of Texas's electric grid, which spans over 54,100 miles and serves more than 27 million customers. The process is guided by the Regional Transmission Plan (RTP) and the Regional Planning Group (RPG), which work together to address both immediate and long-term transmission needs. As Texas experiences significant economic and population growth, the demand for electricity is increasing, necessitating the development of new transmission lines and upgrades to the existing infrastructure.
The RTP is an annual roadmap that outlines necessary improvements to the transmission system over a six-year period, while the RPG reviews proposed projects and provides input on load forecasts and renewable integration. Recent discussions have led to the introduction of a 765-kV backbone infrastructure to enhance the efficiency of power transmission across the ERCOT Region. As ERCOT prepares for its 2025 RTP, it continues to adapt its planning processes to meet the evolving demands of Texas's growing economy.
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Source Link: https://www.ercot.com/files/docs/2025/08/12/ERCOT_Trending_Topic-Transmission-Planning-Process.pdf
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