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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).
ERCOT System Operating Limit (SOL) Methodology
This document identifies the methodology for determining System Operating Limits (SOLs) and Interconnection Reliability Operating Limits (IROLs), in the planning and operations time horizons, as required by NERC FAC-010 and FAC-011 to be used by the ERCOT Planning Authority/Reliability Coordinator as well as all applicable NERC Registered Transmission Operators and Transmission Planners in the ERCOT Region.
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

Key Documents

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
Jun 5, 2023 - xlsx - 295 KB
Archived Transmission Project and Information Tracking
Archived Transmission Project and Information Tracking
Jun 5, 2023 - zip - 14.4 MB
2022 Long-Term Assessment for the ERCOT Region
Dec 22, 2022 - zip - 6.2 MB
2022 Region Transmission Plan Report Public
Dec 22, 2022 - zip - 3.7 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 Regional Transmission Plan Report Public
May 24, 2022 - zip - 2.2 MB
2021 Geomagnetic Disturbance Vulnerability Assessment
Dec 23, 2021 - zip - 376.9 KB
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 Regional Transmission Plan
Jun 29, 2021 - zip - 3.2 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
Whitepaper Economic Planning
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 Regional Transmission Plan
Dec 23, 2019 - zip - 1.4 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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