Environmental Guidance

Categorical Exclusion Adoptions

• Notice of USDA Adoption of Tennessee Valley Authority's Categorical Exclusions 16, 37 and 38

Guidance Documents

Alternatives Evaluation Study (Not currently available)

Site Selection Study (Not currently available)

Draft Macro-Corridor Study (September 2011):

• Draft Macro-Corridor Study
• Appendix 1: Glossary of Key Terms
• Appendix 2: Commercially Available GIS Technologies
• Appendix 3: Transmission Line Siting Methodologies

Draft Environmental Information Resource Guide (September 2011)

Environmental Policies & Procedures

Substantiation Reports

• Energy or Telecommunications Proposals Categorical Exclusion Revisions Substantiation Report - June 2025 (Updated February 2026)
• Water and Wastewater Categorical Exclusion Revisions Substantiation Report - May 2025 (Updated February 2026)