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Current Planning Guide

View the most recent version of the Planning Guide below. Find historical versions in the Planning Guide Library.

Section 1: Process for Planning Guide Revision
Jun 1, 2023 - doc - 110 KB
Section 2: Definitions and Acronyms
Dec 5, 2025 - doc - 79 KB
Section 3: Regional Planning
Dec 5, 2025 - doc - 133.5 KB
Section 4: Transmission Planning Criteria
Apr 1, 2025 - docx - 48.9 KB
Section 5: Generator Interconnection or Modification
Dec 5, 2025 - docx - 95.5 KB
Section 6: Data/Modeling
Dec 5, 2025 - docx - 69.1 KB
Section 7: Market Data Transparency
Dec 1, 2025 - doc - 113.5 KB
Section 8 Attachment A: Declaration of Resource Data Accuracy
Jan 1, 2019 - doc - 39 KB
Section 8 Attachment B: Declaration of Adequate Water Supplies
Dec 5, 2025 - doc - 46.5 KB
Section 8 Attachment C: Declaration of Department of Defense Notification
Dec 5, 2025 - doc - 39.5 KB
Section 8 Attachment D: Attestation Regarding Compliance with the Lone Star Infrastructure Protection Act
Aug 1, 2025 - doc - 49.5 KB
Section 9: Large Load Additions at New or Modification of Existing Load Interconnection(s)
Apr 28, 2011 - doc - 131 KB