Transmission Line Route Segment Descriptions
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Entergy Texas, Inc. Proposed Castle 230 kV Transmission Line and Substation Project Grimes and Montgomery Counties, Texas Entergy Texas, Inc. (ETI) has filed an application with the Public Utility Commission of Texas (PUCT) to amend its Certificate of Convenience and Necessity (CCN) to construct the proposed Castle 230 kV Transmission Line and Substation Project. In its CCN application for this project, ETI presented 75 potential route segments, routing between six alternative cut-in options and two alternative substation sites for the PUCT to use in selecting a transmission line route for this project. ETI has presented 22 different alternative route combinations of the 75 segments for consideration by the PUCT. The following table lists the segment combinations that make up Entergy’s 22 alternative routes. All routes and route segments are available for selection and approval by the PUCT. Only one multi-segment transmission line route will ultimately be constructed. LENGTH ROUTE ROUTE COMPOSITION (MILES) Route 1 A-S1-S2-S4-AU-AV-BD-BC1-SUB A 6.68 Route 2 A-S1-S3-V1-V2-V5-AO-AU-AW-BA-BC1-SUB A 7.05 Route 3 B-R2-R1-U-V1-V2-V4-S4-AU-AW-BA-BC1-SUB A 6.76 Route 4 B-R2-R1-U-V1-V3-AL-AM-AO-AU-AW-BA-BC1-SUB A 6.56 Route 5 C1-BE-R1-U-V1-V3-AL-AM-AO-AU-AW-BA-BC1-SUB A 6.56 Route 6 C1-C2-T-U-V1-V3-AL-AN-AQ-AX-AY1-AY2-BA-BC1-SUB A 6.39 Route 7 C1-C2-P-W-AA-AD-AI-AL-AM-AO-AU-AW-BA-BC1-SUB A 6.23 Route 8 D-O-W-AB-AC-AD-AI-AL-AM-AP-AX-AY1-AY2-BA-BC1-SUB A 6.57 Route 9 E-N-O-W-AA-AD-AI-AL-AM-AP-AX-AZ1-AZ2-BC2-SUB A 7.03 Route 10 F1-F3-M2-Y-AC-AD-AI-AL-AM-AO-AU-AW-BA-BC1-SUB A 7.39 Route 11 B-R2-R1-U-V1-V2-V4-S4-AU-AW-AY2-BF-AZ2-BB-AS4-AS3-AR3-SUB C 7.43 Route 12 A-Q-R2-R1-U-V1-V3-AL-AN-AQ-AX-AZ1-BG-AS3-AR3-SUB C 7.38 Route 13 C1-C2-P-W-AA-AD-AJ1-AJ2-AR2-SUB C 6.50 Route 14 D-O-W-AA-AD-AJ1-AJ3-AS1-SUB C 6.86 Route 15 D-O-W-AB-AC-AD-AI-AL-AN-AR1-AR2-SUB C 6.96 Route 16 E-N-O-W-AA-AD-AI-AL-AM-AP-AX-AY1-BF-BG-AS3-AR3-SUB C 7.36 Route 17 E-M1-M2-X-Z-AE-AF1-AF2-AI-AL-AN-AQ-AX-AY1-BF-BG-AS3-AR3-SUB C 7.88 Route 18 F1-F3-M2-Y-AC-AD-AI-AL-AN-AR1-AR2-SUB C 7.82 Route 19 F1-F3-M2-X-Z-AE-AF1-AF3-AH2-AK-AS1-SUB C 8.07 Route 20 F1-F3-M2-X-Z-AE-AG-AH1-AH2-AK-AS1-SUB C 8.23 Route 21 C1-BE-R1-U-V1-V2-V5-AO-AU-AW-BA-BC1-SUB A 6.65 Route 22 C1-BE-R1-U-V1-V2-V5-AP-AX-AY1-AY2-BA-BC1-SUB A 6.69 The following narrative along with the enclosed map provides a general description of the segments that form the 22 Primary Alternative Routes in relation to area landmarks and readily identifiable points of reference such as administrative boundaries, streets, roads, highways, railroad tracks, etc. Some segments may be utilized in forward progressing routes as currently described, or in the opposite direction. All distances listed below are approximate and rounded to the nearest hundredth of a mile. The distances of individual segments below may not sum to the total length of route presented due to rounding. SEGMENT A: 0.70 Mile Segment A begins at its intersection with Entergy’s L-136 230 kV Transmission Line, Cut-In Option 1, located near the community of Dobbin in Montgomery County approximately 0.45-mile southwest of the intersection of Farm-to- Market (FM) Road 1486 and State Highway (SH) 105. The segment proceeds southwest for approximately 0.09-mile crossing a pipeline, CenterPoint’s 345 kV Transmission Line, and another pipeline. The segment then turns west for approximately 0.32-mile, then turns south for approximately 0.22-mile. The segment then turns west for approximately 0.07-mile, paralleling the north side of SH 105 and crossing Mount Mariah Road (Rd) before reaching the segment’s intersection with Segments S1 and Q, located approximately 0.08-mile northwest of the intersection of Mount Mariah Rd and SH 105. Castle 230 kV Transmission Line Description of the Alternative Routes SEGMENT B: 0.54 Mile Segment B begins at its intersection with Entergy’s L-136 230 kV Transmission Line, Cut-In Option 2, located near the community of Dobbin in Montgomery County approximately 0.53-mile southwest of the intersection of FM Road 1486 and SH 105. The segment heads west-southwest for approximately 0.09-mile, crossing a pipeline, CenterPoint’s 345 kV Transmission Line, and another pipeline, then turns southwest for approximately 0.24-mile, paralleling the south side of SH 105. The segment then turns southwest 0.09-mile crossing Mount Mariah Rd. The segment then turns northwest for approximately 0.12-mile, before reaching the segment’s intersection with Segments Q and R2, located approximately 0.08-mile southwest of the intersection of SH 105 and Mount Mariah Rd. SEGMENT C1: 0.28 Mile Segment C1 begins at its intersection with Entergy’s L-136 230 kV Transmission Line, Cut-In Option 3, located near the community of Dobbin in Montgomery County approximately 0.23-mile south-southwest of the intersection of Old Hwy 105 and Mount Mariah Rd. The segment heads southwest for approximately 0.22-mile crossing an existing pipeline, CenterPoint’s 345 kV Transmission Line, and Entergy’s L-96 138 kV Transmission Line. The segment then turns northwest for approximately 0.06-mile, crossing Bobville Rd and a railroad, before reaching the segment’s intersection with Segments BE and C2, located approximately 0.38-mile southwest from the intersection of Old Hwy 105 and Mount Mariah Rd. SEGMENT C2: 0.37 Mile Segment C2 begins at its intersection with Segments BE and C1, located approximately 0.38-mile southwest from the intersection of Old Hwy 105 and Mount Mariah Rd. The segment heads southwest for approximately 0.37-mile, paralleling the west side of a railroad, before reaching the segment’s intersection with Segments P and T, located approximately 0.75-mile southwest of the intersection of Old Hwy 105 and Mount Mariah Rd. SEGMENT D: 0.68 Mile Segment D begins at its intersection with Entergy’s L-136 230 kV Transmission Line, Cut-In Option 4, located near the community of Dobbin in Montgomery County approximately 0.35-mile southeast of the intersection of Old Hwy 105 and Mount Mariah Rd. The segment heads southwest for approximately 0.05-mile, crossing Entergy’s L-96 138 kV Transmission Line and an existing pipeline. The segment then turns southwest for approximately 0.08-mile, crossing an existing pipeline and CenterPoint’s 345 kV Transmission Line. The segment then turns south for approximately 0.55-mile, crossing Caney Creek, before reaching the segment’s intersection with Segments N and O, located approximately 0.96-mile south-southeast of the intersection of Old Hwy 105 and Mount Mariah Rd. SEGMENT E: 0.57 Mile Segment E begins at its intersection with Entergy’s L-136 230 kV Transmission Line, Cut-In Option 5, located near the community of Dobbin in Montgomery County approximately 0.67-mile southeast of the intersection of Old Hwy 105 and Mount Mariah Rd. The segment heads south for approximately 0.30-mile, crossing Entergy’s L-96 138 kV Transmission Line and paralleling the west side of FM 1486. The segment then turns southwest for approximately 0.05-mile, crossing two existing pipelines and CenterPoint’s 345 kV Transmission Line, then turns southeast for approximately 0.08-mile. The segment then turns south for approximately 0.14-mile, crossing Caney Creek, before reaching the segment’s intersection with Segments M1 and N, located approximately 0.10-mile west of the intersection of FM 1486 and Tisdel. SEGMENT F1: 0.35 Mile Segment F1 begins at its intersection with Entergy’s L-136 230 kV Transmission Line, Cut-In Option 6, located near the community of Dobbin in Montgomery County approximately 0.57-mile northeast of the intersection of FM 1486 and Tisdel. The segment heads southeast for approximately 0.35-mile, crossing Entergy’s L-96 138 kV Transmission Line and paralleling the west side of a railroad, before reaching the segment’s intersection with Segment F3, located approximately 0.53-mile northeast of the intersection of FM 1486 and Tisdel. SEGMENT F3: 0.65 Mile Segment F3 begins at its intersection with Segment F1, located approximately 0.53-mile northeast of the intersection of FM 1486 and Tisdel. The segment heads southwest for approximately 0.31-mile, crossing Caney Creek and three existing pipelines. The segment then turns south-southwest for approximately 0.05-mile, crossing an existing pipeline Castle 230 kV Transmission Line Description of the Alternative Routes and CenterPoint’s 345 kV Transmission Line. The segment then turns west for approximately 0.09-mile, crossing Tisdel.