MTEP16 South SPM #3 MISO Louisiana Project Information

MTEP16 South SPM #3 MISO Louisiana Project Information 3 rd South Sub-regional Planning Meeting August 25, 2016

NERC TPL Contingency Categories TPL Category Old TPL Category Description BES Level Acceptable Mitigation Physical Upgrade Required? P0 A System intact EHV, HV Yes No Load Shed or Redispatch Allowed? P1 B Single contingency (Fault of a shunt device- fixed, switched or SVC/STATCOM is new) EHV, HV Yes No P2 C1, C2 Single event which may result in multiple element outage. Open line w/o fault, bus section fault, internal breaker fault EHV HV Yes No No Yes P3 C3 Loss of generator unit followed by system adjustments + P1. No load shed is allowed EHV, HV Yes Yes P4 C Fault + stuck breaker events EHV HV P5 N/A Fault + relay failure to operate (new) EHV HV P6 C3 Two overlapping singles (not generator) EHV, HV No Yes P7 C4, C5 Common tower outages; loss of bipolar DC EHV, HV No Yes Yes No Yes No No Yes No Yes Please refer to BPM 020 for additional details on acceptable mitigation 2

Entergy Louisiana, Entergy New Orleans, Cleco Power, City of Alexandria, Lafayette Utility Systems Identified Needs LA-08 LA-22 TO reliability project proposed Need + Project LA-38 LA-05 LA-06 LA-07 LA-28 LA-31 LA-15 LA-16 LA-17 LA-13 LA-14 LA-18 LA-19 LA-20 LA-21 LA-25 LA-11 LA-12 LA-27 LA-36 LA-23 LA-37 LA-38 LA-39 LA-40 LA-41 LA-09 LA-24 LA-29 LA-10 LA-26 LA-30 LA-04 LA-32 LA-01 LA-02 LA-03 LA-33 LA-34 LA-35 A detailed list of needs is tabulated in spreadsheet Issues_Tracker_SOUTH_SSPM3.xlsx MISO, using Ventyx Velocity Suite 2014 3

Entergy Louisiana, Entergy New Orleans, Cleco Power, City of Alexandria, Lafayette Utility Systems Identified Needs MISO reliability need under evaluation LA-42 LA-46 LA-48 LA-39 LA-40 LA-41 LA-44 A detailed list of needs is tabulated in spreadsheet Issues_Tracker_SOUTH_SSPM3.xlsx MISO, using Ventyx Velocity Suite 2014 4

Open Issues Under Discussion Criteria Violation ID Number of Criteria violations Contingency Category Thermal Violations Gen Load Shed Redispatch (MW) (MW) Comment LA-44 6 P6 552 0 Future MTEP17 project will address this issue. LA-46 2 P6 311 0 Future MTEP17 project will address this issue. Future MTEP17 project will address this issue. EHV LA-48 17 P6 723 0 options being considered. LA-39 1 P23 0 0 Occurs in the near-term model. Coordination LA-41 3 P7 0 0 between regional transmission owners to solve LA-42 1 P22 0 0 these issues is ongoing. Criteria Violation ID Number of Criteria violations Contingency Category Voltage Violations Gen Load Shed Redispatch (MW) (MW) Comment LA-44 15 P6 552 0 Future MTEP17 project will address this issue. LA-40 1 P13 0 0 Future MTEP17 project will address this issue. A list of needs is tabulated in spreadsheet Issues_Tracker_South_SSPM3.xlsx 5

Entergy Louisiana and Entergy New Orleans MTEP16 Project Review 3 rd South Sub-regional Planning Meeting August 25, 2016

Entergy Louisiana, Entergy Gulf States, Entergy New Orleans: MTEP16 Targeted Appendix A Project Summary by Count 5 4 $1M- $1M-5M $5M+ Estimated Project Cost Range BRP 4 5 Other 10 17 Entergy Louisiana, Entergy Gulf States and Entergy New Orleans have a total of 68 projects submitted to the MTEP16 cycle 45 projects are targeted for Appendix A in MTEP16 ($417.5 M) Of these 45 projects: 27 have an estimated cost greater than $5 M 9 have an estimated cost between $1M-$5 M 9 have an estimated cost lower than $1 M Of these 45 projects: 26 Baseline Reliability 19 Other 23 projects added to Appendix B in MTEP16 ($281.8 M) 5 projects in Appendix B from previous MTEP ($34 M) 7

Entergy Louisiana, Entergy New Orleans : MTEP16 Targeted Appendix A Project Summary by Estimated In-Service Date $216.1 M 8 $124.3 M $20.2 M 2 11 $0.715 M 2 2 6 2 9 $56.2 M 1 2 2016 2017 2018 2019 2020 Estimated In-Service Date BRP Other 8

ELL P4634: Ninemile to Westwego 115 kv Line Upgrade MISO identified issues addressed by 4634 Issue Tracker ID LA-01: Open Breaker Contingency Near term, 107% of Emergency Rating Project Description (13-ELL-006) Re-conductor the existing Ninemile to Westwego115 kv line to achieve a minimum rating of 320 MVA. Estimated Cost $9.03 M Expected ISD June 1, 2018 Project Type Baseline Reliability Project Target Appendix A in MTEP16 5.6 mi MISO, using Ventyx Velocity Suite 2014 9

ELL P4639: Ninemile to Harvey 115 kv Line Upgrade MISO identified issues addressed by 4639 Issue Tracker ID LA-02: Single Line Contingency Near term, 102% of Emergency Rating Project Description (14-ELL-006) Re-conductor the existing Ninemile to Harvey 115 kv line to achieve a minimum rating of 320 MVA. Estimated Cost $15.12 M Expected ISD June 1, 2018 Project Type Baseline Reliability Project Target Appendix A in MTEP16 9.6 mi MISO, using Ventyx Velocity Suite 2014 10

ENOI P9805: Reconductor Patterson to Pontchartrain Park 115 kv Line MISO identified issues addressed by 9805 Issue Tracker ID LA-03: Avenue C Pontchartrain Park Paterson Open Breaker Contingency Near term, 97% of Emergency Rating Project Description (16-ENO-001) Paris Pauger Reconductor the Patterson to Pontchartrain Park 115 kv line. Estimated Cost Labarre $11.9 M Expected ISD Southport December 1, 2018 Ninemile Project Type Baseline Reliability Target Appendix A in MTEP16 MISO, using Ventyx Velocity Suite 2014 11

ELL P9801: North Norco 115 kv Capacitor Bank Addition MISO identified issues addressed by 9801 Issue Tracker ID LA-04: Single Line Contingency Near term, 0.909 Vpu Project Description (16-ELL-004) Add a capacitor bank to the North Norco substation. Estimated Cost $ 1.8 M Expected ISD December 1, 2017 Project Type Baseline Reliability Target Appendix A in MTEP16 Waterford Little Gypsy Claytonia 0.909 Vpu Norco 0.909 Vpu Ormond 0.912 Vpu MISO, using Ventyx Velocity Suite 2014 12

ELL P10008: Nelson to Menena New 230 kv Line MISO identified issues addressed by 10008 Flows exceeding the Nelson Michigan 230kV circuit emergency rating as identified in MTEP15 deliverability analysis for Nelson generation. Sulphur Lane Nelson Project Description (15-EGL-023) Construct new 230 kv line from Nelson to Menena substation. 5 mi. Michigan Estimated Cost PPG $15.5 M Expected ISD Patton Carlyss Menena June 1, 2020 Project Type Baseline Reliability Project Target Appendix A in MTEP16 MISO, using Ventyx Velocity Suite 2014 13

ELL P7949: Solac 230/69 kv Autotransformer #1 and #2 Upgrade MISO identified issues addressed by 7949 Issue Tracker ID LA-05: Single Transformer Contingency Near term, 106% of Emergency Rating Project Description (15-EGL-010) Replace both 230/69 kv Autotransformers with 300MVA units. Estimated Cost $ 8.46 M Expected ISD June 1, 2018 Project Type Baseline Reliability Project Target Appendix A in MTEP16 106% MISO, using Ventyx Velocity Suite 2014 14

ELL P7950: East Broad to Ford 69 kv Line Upgrade MISO identified issues addressed by 7950 Issue Tracker ID LA-06: Single Line Contingency Near term, 103% of Emergency Rating Project Description (15-EGL-011) Re-conductor East Broad to Ford 69 kv line. Estimated Cost $ 1.5 M Expected ISD June 1, 2018 Project Type Baseline Reliability Project Target Appendix A in MTEP16 103% 1.5 mi MISO, using Ventyx Velocity Suite 2014 15

ELL P7952: Solac to Contraband 69 kv Line Upgrade MISO identified issues addressed by 7952 Issue Tracker ID LA-07: Single Line Contingency Near term, 98% of Emergency Rating Project Description (15-EGL-012) Re-conductor Contraband to Solac 69 kv line. Estimated Cost $ 4.1 M Expected ISD June 1, 2018 Project Type Baseline Reliability Project Target Appendix A in MTEP16 98% 4.4 mi MISO, using Ventyx Velocity Suite 2014 16

ELL P9771, P9772, P9773, P9774, P9775, P9776, P9777, P9778: Southwest Louisiana Project Phase 1 MISO identified issues addressed by 9771-9778 Issue Tracker ID LA-13 to LA-19: Single Line, Single Transformer and Open Breaker Contingencies Near term, Long Term 95% to 186% of Emergency Rating Local Area Network: Southwest Louisiana Approximately 100 mile of 69kV transmission line between Lake Charles Bulk and Jennings substations The network spans approximately 30 miles Primarily supplied by 138/69 kv taps at Lake Charles Bulk and Jennings 30 mi MISO, using Ventyx Velocity Suite 2014 17

ELL P9771, P9772, P9773, P9774, P9775, P9776, P9777, P9778, P9782: Southwest Louisiana Project Phase 1 Project Description Construct new Jefferson Davis 138/69 kv substation Construct a new line from Colonial Welsh Tap to the new Jefferson Davis 138 kv station Build a new 69 kv line from Jefferson Davis to Carter substation Construct a new double circuit 69kV line from Jeff Davis to a point due south of Compton and cut into the Compton to Roanoke 69kV circuit. Estimated Cost $76.6 M Expected ISD June 1, 2019 Project Type Baseline Reliability Project Target Appendix A in MTEP16 Jeff Davis MISO, using Ventyx Velocity Suite 2014 18

ELL P9779: Southwest Louisiana Project Phase 2 MISO identified issues addressed by 9779 Issue Tracker ID LA-20: Single Line Contingency Near term, 98% of Emergency Rating Project Description (16-EGL-013) Reconductor the Carter to Serpent 69 kv line (16 mi). Estimated Cost $19.2 M Expected ISD December 1, 2018 Project Type Baseline Reliability Project Target Appendix A in MTEP16 98% Elton MISO, using Ventyx Velocity Suite 2014 19

ELL P9780: Southwest Louisiana Project Phase 3 MISO identified issues addressed by 9780 Issue Tracker ID LA-21: Single Line Contingency Near term, 94% of Emergency Rating Project Description (16-EGL-014) Reconductor the Compton to Elton 69 kv line (11.5 mi) Estimated Cost $12.8 M Expected ISD December 1, 2019 Project Type Baseline Reliability Project Target Appendix A in MTEP16 Carter Serpent 94% MISO, using Ventyx Velocity Suite 2014 20

ELL P9682: Vienna - Trussel Crossing Line Upgrade MISO identified issues addressed by 9682 Issue Tracker ID LA-08: Sarepta Single Line Contingency Near term, 90% of Emergency Rating Project Description (16-ELN-001) Upgrade the Vienna - Trussel Crossing 115 kv line to a minimum of 260MVA. Minden Trussel Crossing 90% Vienna Estimated Cost Ada $8.8 M Expected ISD June 1, 2020 Sailes Project Type Baseline Reliability Project Target Appendix A in MTEP16 MISO, using Ventyx Velocity Suite 2014 21

ELL P9763: Baker to Blount 69kV Line Upgrade MISO identified issues addressed by 9763 Issue Tracker ID LA-09: Single Line Contingency Near term, 111% of Emergency Rating Project Description (16-EGL-004) Upgrade the rating on the Baker to Blount 69 kv line by upgrading the conductor and substation equipment Estimated Cost $5.2 M Expected ISD June 1, 2018 Project Type Baseline Reliability Project Target Appendix A in MTEP16 Port Hudson Zachary 3.8 mi Dixie Baker Baker 111% Blount MISO, using Ventyx Velocity Suite 2014 22

ELL P9765: Harelson to Line 369 Tap 69kV Line Upgrade MISO identified issues addressed by 9765 Line Tap 369 Issue Tracker ID LA-10: Single Line Contingency Near term, 114% of Emergency Rating Sharp 114% Lively Flannery Gloria Project Description (16-EGL-006) 3.5 mi Reconductor the Harelson to Line 369 Tap 69 kv line Harrelson Estimated Cost $3.2 M Expected ISD December 1, 2018 Project Type Baseline Reliability Project Target Appendix A in MTEP16 MISO, using Ventyx Velocity Suite 2014 23

ELLP9788: Port Barre 69 kv Capacitor Bank MISO identified issues addressed by 9788 Plaisance Issue Tracker ID LA-11: Single Transformer Contingency Near term, 0.88 Vpu Project Description (16-EGL-022) Port Barre 0.88 Vpu Install a capacitor bank at the Port Barre substation Estimated Cost Westfork Guidry Street South Park Champagne 0.88 Vpu $800,000 Expected ISD Colton June 1, 2018 Project Type Wells Baseline Reliability Project Target Appendix A in MTEP16 MISO, using Ventyx Velocity Suite 2014 24

ELL P9795: Nesser 69 kv Capacitor Bank MISO identified issues addressed by 9795 Issue Tracker ID LA-12: Open Breaker Contingency Near term, 0.89 Vpu Project description (16-EGL-033) Add a capacitor bank to the Nesser 69 kv substation Estimated Cost $ 1.1 M Expected ISD December 1, 2017 Project Type Baseline Reliability Project Target Appendix A in MTEP16 Dawson Creek Ward Creek Nesser 0.89 Vpu Harrelson Gloria Jones Creek 0.91 Vpu MISO, using Ventyx Velocity Suite 2014 25

ELL, ENOI: Projects Driven by New Load Addition Target Appendix A 9684 A 9686 A 9690 A A A A ID Project Name Description Expected ISD 9790 9791 9792 10223 Cadeville (16-ELN-004): New Distribution Substation Lake Providence (16-ELN-005): New Distribution Substation Hodge (16-ELN-010): Replace Existing Substation Swisco (16-EGL-026): Construct New Substation Thompson Road (16-EGL-027): Construct New Substation Lowe Grout Road (16-EGL-028): Construct New Substation LAGEN Holly Ridge (16-ELN- 011) Construct New Substation Construct a new radial 115 kv transmission line (approx. 15 mi.) to a new 115 kv substation in the Cadeville area to serve area load Construct a new radial 115 kv transmission line (approx. 10 mi.) to the Lake Providence area to serve area load Construct a new 230 kv substation to serve area load in the Hodge area. Construct a new 138 kv substation to serve area load on the Mossville to Carlyss 138 kv line Construct a new 230 kv substation to serve area load on the Patton to Carlyss 230 kv line Construct a new 138 kv substation to serve area load on the Lake Charles to Jennings 138 kv line Construct a new 115/13.8 kv distribution serving substation on the Oak Ridge - Dunn 115 kv transmission line in North Central Louisiana Cost 6/1/2018 $41.6 M 6/1/2020 $31.8 M 12/1/2018 $14.1 M 6/1/2017 $8.2 M 6/1/2018 $9.2 M 6/1/2019 $7 M 12/31/2016 $254,000 26

ELL, ENOI: Projects Driven by New Load Addition Target Appendix A A ID Project Name Description Expected ISD 10588 10623 Fleur 230 kv Substation: New Substation Sadie 230 kv: Construct New Substation Construct a new 230 kv substation on the Oakville to Alliance 230 kv transmission line. This substation will be the primary feed to a customer in the area. Load will move from other substations in the area. Rebuild the Ninemile to Barataria 115 kv line. Construct a new 230 kv substation on the PPG to Rosebluff 230 kv line. Cost 12/31/2018 $42.7 M 6/1/2018 $24,814,742.00 A A 10624 11423 Big Lake 230 kv: Construct New Substation Menena 230 kv: Construct New Substation Construct a new 230 kv substation on the Vincent to Graywood 230 kv line. Industrial Customer Connection This is a customer driven project to install a new 230 kv substation on the PPG to Rose Bluff 230 kv line. 6/1/2019 $28,000,000.00 12/1/2017 $7,290,000 27

ELL, ENOI: Substation Equipment Upgrades Target Appendix A 9770 A 9787 A 9786 A 9794 A ID Project Name Description Expected ISD 10583 A 10584 A 10585 A 10591 Goosport to L673 TP 69 kv (16-EGL-011): Upgrade Station Equipment Air Products to Giegy 138kV (16-EGL-021): Upgrade Substation Equipment Nelson 138 kv Breaker Failure Project (16-EGL-020) Port Hudson Station 138 kv Substation Equipment Upgrade (16-EGL-032) Coly 230 kv: Breaker Addition (16-EGL-037) Tiger 230 kv: Breaker Addition (16-EGL-038) Harelson 230 kv: Breaker Addition (16-EGL-039) Willow Glen 500/138 kv Auto: Adjust Taps Upgrade the substation equipment at Goosport to increase the rating of the line Upgrade substation equipment on the Air Products and Giegy terminals to increase the rating of the line Add L-274, L-654, L-656 and L-698 to the double bus double breaker scheme at Nelson. Upgrade substation equipment at Port Hudson 138 kv. Cost 11/18/2016 $145,205 6/1/2016 $300,000 6/1/2017 $1.1 M 6/1/2018 $101,000 Add a breaker at the Coly 230 kv substation. 6/1/2018 $1.7 M Add a 230 kv breaker at the Tiger substation. 6/1/2018 $1.7 M Add a breaker at the Harelson 230 kv substation. 6/1/2018 $1.7 M Changing the position of the de-energized tap changer to 500kV (3/C) from 487.5kV (2/B). 12/1/2016 $15,027 28

ELL, ENOI: Projects Driven by Short Circuit Interrupting Capacity Target Appendix A 9847 A 9848 A 9849 ID Project Name Description Expected ISD ELL Underrated Breaker Project (16-EGL-030-1): Mossville 69 kv Breaker 17985 ELL Underrated Breaker Project (16-EGL-030-2): Mossville 69 kv Breaker 17995 ELL Underrated Breaker Project (16-EGL-030-3): Carlyss 69 kv Breaker 7840 Breaker number 17985 at the Mossville 69 kv substation will be replace due to the short circuit analysis. Breaker 17995 at the Mossville 69 kv substation will be replaced due to the short circuit analysis. Breaker number 7840 at the Carlyss 69 kv substation will be replace due to the short circuit analysis. 12/1/2017 12/1/2017 12/1/2017 Cost $700,000 29

Cleco Power, LLC MTEP16 Project Review 3 rd South Sub-regional Planning Meeting August 25, 2016

Cleco Power: MTEP16 Targeted Appendix A Project Summary by Count 3 1 Cleco Power has a total of 6 projects submitted to the MTEP16 cycle 4 projects are targeted for Appendix A in MTEP16 ($6.0 M) Of these 3 projects: 1 has an estimated cost between $1M- $5 M 3 have an estimated cost lower than $1 M 2 projects added to Appendix B in MTEP16 ($127.5 M) 2 projects remaining in Appendix B from previous MTEP ($23.5 M) < $1M $1M-5M Estimated Project Cost Range BRP Other All Cleco Target Appendix A Projects have an expected in-service date in 2016 31

Cleco: Projects Driven by New Load Addition Appendix ID Project Name Description Expected ISD Cost Tap the existing 230 kv line from Dolet A 9542 Dolet Hills Mine Line Tap Hills to Mansfield Compressor to serve existing load which is moving its operations. 12/1/2016 $5 M 32

Cleco: Substation Equipment Upgrades Appendix ID Project Name Description Expected ISD Cost A 9713 Dolet Hills Breaker Replacements Replace one of the 345 kv Breakers at Dolet Hills. 11/1/2016 $295,000 A 9715 Wax Lake Cap Switcher Replacements Replace Manually Operated Switches at Wax Lake with Cap Switchers 10/1/2016 $406,000 A 10983 Hopkins Breaker Addition Add a second Breaker in Series with Hopkins Breaker 8061. 6/1/2016 $300,000 33

Lafayette Utilities System MTEP16 Project Review 3 rd South Sub-regional Planning Meeting August 25, 2016

Lafayette Utilities System: MTEP16 Targeted Appendix A Project Summary by Count Lafayette Utilities Systems has one project submitted to the MTEP16 cycle The project is targeted for Appendix A in MTEP16 ($4.2 M) Estimated cost between $1M-$5 M Baseline Reliability 1 0 projects added to Appendix B in MTEP16 0 projects remaining in Appendix B from previous MTEP $1M-5M Estimated Project Cost Range BRP Other All Lafayette Utilities System Target Appendix A Projects have an expected in-service date in 2019 35

LUS P8821: Northeast to Peck 69 kv Line MISO identified issues addressed by 8821 Issue Tracker ID LA-37: Generation Unit + Transformer contingency Near term, 105% of Emergency Rating Project description Construct new 69kv line from Northeast to Peck substations. Estimated Cost Northeast $4.2 M Expected ISD Pont Des Mouton 5 mi December 31, 2019 Project Type Baseline Reliability Project Scott Labbe Bonin 105% Peck Target Appendix Elks A in MTEP16 Flanders MISO, using Ventyx Velocity Suite 2014 36

City of Alexandria MTEP16 Project Review 3 rd South Sub-regional Planning Meeting August 25, 2016

City of Alexandria: MTEP16 Targeted Appendix A Project Summary by Count $830,000 2 City of Alexandria has a total of 2 projects submitted to the MTEP16 cycle 2 projects are targeted for Appendix A in MTEP16 0 projects are moving to Appendix B 0 projects are staying in Appendix B Estimated Project Cost Range BRP Other All City of Alexandria Target Appendix A Projects have an expected in-service date in 2019 38

CoA: MTEP16 Target Appendix A Projects Age Related Replacements Prj ID Project Name Project Type Description MISO Identified Need Estimated Cost ($M) Expected ISD 10122 Hunter to Downtown 138 kv Line Upgrade Other Reliability Reconductor the existing Hunter - Downtown 138kV transmission line. LA-38 $340,000 7/1/2019 10123 Prescott to Sterx 138 kv Line Upgrade Other Reliability Reconductor the existing Hunter - Downtown 138kV transmission line. None $490,000 7/1/2019 39

Contact Information Edin Habibovic Manager Expansion Planning, Southern Region ehabibovic@misoenergy.org Jason VanHuss Expansion Planning Engineer, Southern Region jvanhuss@misoenergy.org 40