Southern Company Generation. 241 Ralph McGill Boulevard, NE BIN 10193 Atlanta, GA 30308-3374 404 506 7219 tel April 19, 2019 FERC Project No. 2336-094 Lloyd Shoals Project Revised Study Plan Ms. Kimberly D. Bose, Secretary Federal Energy Regulatory Commission 888 First Street, N.E. Washington, D.C. 20426 Dear Ms. Bose: On behalf of Georgia Power Company, Southern Company is filing this letter to provide the Revised Study Plan for relicensing the Lloyd Shoals Project, in compliance with Federal Energy Regulatory Commission Integrated Licensing Process regulations at 18 C.F.R. Part 5 5.13(a). Two versions, both a public and privileged version, are being filed. The privileged version includes the complete public version plus the comment letters filed by the Georgia Department of Natural Resources, Historic Preservation Division and The Muscogee (Creek) Nation, and Georgia Power’s associated response to comments. If you require further information, please contact me at 404.506.7219. Sincerely, Courtenay R. O’Mara, P.E. Hydro Licensing and Compliance Supervisor cc: FERC/OEP – Neetu Deo, Allan Creamer Geosyntec – Cristin Krachon Kleinschmidt – Steven Layman, Ph.D. Troutman Sanders – Hallie Meushaw Revised Study Plan Lloyd Shoals Hydroelectric Project FERC Project Number 2336 Prepared with: Southern Company Generation Hydro Services and April 2019 TABLE OF CONTENTS 1.0 INTRODUCTION ............................................................................................. 1-1 1.1 Document Organization ............................................................................ 1-1 1.2 Stakeholder Consultation .......................................................................... 1-2 1.3 Study Implementation Master Schedule ................................................... 1-3 1.4 Relationship of the Resource Studies to the License Application ............ 1-4 2.0 GEOLOGY AND SOILS .................................................................................. 2-1 2.1 Introduction .............................................................................................. 2-1 2.2 Goals and Objectives ................................................................................ 2-1 2.3 Study Background .................................................................................... 2-1 2.4 Study Area ................................................................................................ 2-4 2.5 Methodology ............................................................................................. 2-4 2.6 Reporting .................................................................................................. 2-9 2.7 Schedule .................................................................................................... 2-9 2.8 References ................................................................................................ 2-9 3.0 WATER RESOURCES ..................................................................................... 3-1 3.1 Introduction .............................................................................................. 3-1 3.2 Goals and Objectives ................................................................................ 3-1 3.3 Study Background .................................................................................... 3-1 3.4 Study Area ................................................................................................ 3-6 3.5 Methodology ............................................................................................. 3-6 3.6 Reporting .................................................................................................. 3-8 3.7 Schedule .................................................................................................... 3-8 3.8 References ................................................................................................ 3-9 4.0 FISH AND AQUATIC RESOURCES .............................................................. 4-1 4.1 Introduction .............................................................................................. 4-1 4.2 Goals and Objectives ................................................................................ 4-1 4.3 Study Background .................................................................................... 4-2 4.4 Study Area ................................................................................................ 4-6 4.5 Methodology ............................................................................................. 4-6 4.6 Reporting ................................................................................................ 4-12 GL6318/GA190160_Lloyd Shoals_RSP i 04.19.19 TABLE OF CONTENTS (Continued) 4.7 Schedule .................................................................................................. 4-12 4.8 References .............................................................................................. 4-13 5.0 AMERICAN EEL ABUNDANCE AND UPSTREAM MOVEMENTS ......... 5-1 5.1 Introduction .............................................................................................. 5-1 5.2 Goals and Objectives ................................................................................ 5-1 5.3 Study Background .................................................................................... 5-1 5.4 Study Area ................................................................................................ 5-7 5.5 Methodology ............................................................................................. 5-7 5.6 Reporting ................................................................................................ 5-11 5.7 Schedule .................................................................................................. 5-12 5.8 References .............................................................................................. 5-12 6.0 TERRESTRIAL, WETLAND, AND RIPARIAN RESOURCES .................... 6-1 6.1 Introduction .............................................................................................. 6-1 6.2 Goals and Objectives ................................................................................ 6-1 6.3 Study Background .................................................................................... 6-1 6.4 Study Area ................................................................................................ 6-4 6.5 Methodology ............................................................................................. 6-4 6.6 Reporting .................................................................................................. 6-6 6.7 Schedule .................................................................................................... 6-7 6.8 References ................................................................................................ 6-7 7.0 RARE, THREATENED, AND ENDANGERED SPECIES ............................. 7-1 7.1 Introduction .............................................................................................. 7-1 7.2 Goals and Objectives ................................................................................ 7-1 7.3 Study Background .................................................................................... 7-1 7.4 Study Area .............................................................................................. 7-12 7.5 Methodology ........................................................................................... 7-12 7.6 Reporting ................................................................................................ 7-14 7.7 Schedule .................................................................................................. 7-14 7.8 References .............................................................................................. 7-15 8.0 RECREATION AND LAND USE .................................................................... 8-1 GL6318/GA190160_Lloyd Shoals_RSP ii 04.19.19 TABLE OF CONTENTS (Continued) 8.1 Introduction .............................................................................................. 8-1 8.2 Goals and Objectives ................................................................................ 8-1 8.3 Study Background .................................................................................... 8-1 8.4 Study Area ................................................................................................ 8-6 8.5 Methodology ............................................................................................. 8-6 8.6 Reporting .................................................................................................. 8-9 8.7 Schedule .................................................................................................... 8-9 8.8 References ................................................................................................ 8-9 9.0 CULTURAL RESOURCES .............................................................................. 9-1 9.1 Introduction .............................................................................................. 9-1 9.2 Goals and Objectives ................................................................................ 9-1 9.3 Study Background .................................................................................... 9-1 9.4 Study Area ...............................................................................................