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Planning

This page provides current information on long-term planning in the ERCOT region. 

Current Information

Generation Resources Unavailable in Planning Studies Prior to NSO
A list of Generation Resources that will be set out of service in Regional Transmission Plan (RTP) and Geomagnetic Disturbance (GMD) Vulnerability Assessments prior to filing a Notification of Suspension of Operations (NSO).
Minimum Deliverability Criteria Thresholds
This document provides information on the current values for the minimum percentage of capacity and minimum duration threshold applied to meet the requirements of the minimum deliverability criteria described in Planning Guide Section 4.1.1.7.
Annual Load Data Request (ALDR) Methodology

Economic Planning Criteria - Financial Assumptions

Economic Planning Criteria - Financial Assumptions
The current set of financial assumptions upon which the revenue requirement calculations is based will be reviewed annually, updated as necessary by ERCOT. Updated to Public with implementation of NPRR1183.

Geomagnetic Disturbance Vulnerability Assessment Geomagnetic Disturbance Vulnerability Assessment

GMD Vulnerability Assessment
Posting of the GMD Vulnerability Assessment report.
2021 Geomagnetic Disturbance Vulnerability Assessment
Dec 23, 2021 - zip - 376.9 KB

Regional Transmission Plan Regional Transmission Plan

Study evaluating the long-term needs of the bulk transmission system.

2021-2023 Regional Transmission Plan Report
Dec 11, 2024 - zip - 8.5 MB
Regional Transmission Plan
Posting of the Regional Transmission Plan report.

Key Documents

Congestion Cost Savings Test Evaluation Guideline
Feb 6, 2025 - pdf - 155 KB
2024 Regional Transmission Plan (RTP) 345-kV Plan and Texas 765-kV Strategic Transmission Expanse
Jan 27, 2025 - pdf - 1.4 MB
2024 Report on Existing and Potential Electric System Constraints and Needs
Dec 20, 2024 - pdf - 2.2 MB
2024 Grid Reliability and Resiliency Assessment for the ERCOT Region
Dec 20, 2024 - zip - 991.6 KB
2024 Long-Term System Assessment for the ERCOT Region
Dec 20, 2024 - zip - 4.9 MB
2024 ERCOT Permian Basin Reliability Plan Study Report and Addendum
Sep 30, 2024 - zip - 2.9 MB
E3_ERCOT_Congestion_Cost_Savings_Test_for_Economic_Transmission_Report_March_2024
May 23, 2024 - pdf - 5.2 MB
2023 Report on Existing and Potential Electric System Constraints and Needs
Dec 22, 2023 - pdf - 1.5 MB
2022 RTP Report Addendum Public
Nov 14, 2023 - zip - 489.2 KB
ERCOT EV Adoption Final Report
Aug 28, 2023 - pdf - 4.2 MB
Assessment of Synchronous Condensers to Strengthen the West Texas System
Jun 27, 2023 - pdf - 2.1 MB
Transmission Project and Information Tracking
Jan 31, 2025 - xlsx - 363.8 KB
Archived Transmission Project and Information Tracking
Archived Transmission Project and Information Tracking
Jan 31, 2025 - zip - 15.8 MB
2022 Long-Term Assessment for the ERCOT Region
Dec 22, 2022 - zip - 6.2 MB
2022 Report on Existing and Potential Electric System Constraints and Needs
Dec 22, 2022 - pdf - 3.8 MB
Long-Term West Texas Export Study Report
Jan 14, 2022 - pdf - 3.4 MB
2021 Report on Existing and Potential Electric System Constraints and Needs
Dec 23, 2021 - pdf - 1.7 MB
2020 Long-Term System Assessment for the ERCOT Region
Dec 23, 2020 - zip - 6 MB
2020 Report on Existing and Potential Electric System Constraints and Needs
Dec 23, 2020 - pdf - 2.9 MB
ERCOT Appropriate Economic Planning Measure posted
Feb 12, 2021 - pdf - 70 KB
Impact of Weather Uncertainty and Transmission Outages on Economic Project Evaluations
May 11, 2021 - pdf - 587.7 KB
2020 Panhandle Regional Stability Study
Nov 27, 2020 - pdf - 1 MB
The Use of GTCs in ERCOT July 2020
Nov 27, 2020 - pdf - 630.4 KB
West Texas Export Stability Assessment
Nov 27, 2020 - pdf - 606 KB
Status Update on Permian Basin Improvement Ideas for the Transmission Planning Process
Nov 27, 2020 - pdf - 13 MB
Permian Basin Improvement Ideas for the Transmission Planning Process
Nov 27, 2020 - pdf - 428.4 KB
2019 Panhandle Regional Stability Study
Nov 27, 2020 - pdf - 227.3 KB
ERCOT Delaware Basin Load Integration Study Report
Dec 23, 2019 - zip - 5.7 MB
2019 ERCOT Report on Existing and Potential Electric System Constraints and Needs
Dec 23, 2019 - pdf - 2.3 MB
ERCOT Permian Basin Load Interconnection Study Report
Dec 8, 2021 - zip - 1.6 MB
ERCOT West Texas Load Study - UT BEG TORA
Jan 18, 2023 - pdf - 5.4 MB
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