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SCENARIO 1 PRESENTATION

SCENARIO 1 PRESENTATION. 345KV ALTERNATIVE ROBERT LONA SENIOR CONSULTANT ERCOT SYSTEM PLANNING 2/15//2008. PANHANDLE AREA SCENARIO 1. MCCAMEY AREA SCENARIO 1. HILL COUNTRY/OTHER AREA SCENARIO 1. DFW AREA SCENARIO 1 or 2. FULL 345KV AC CASE SCENARIO 1.

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SCENARIO 1 PRESENTATION

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  1. SCENARIO1PRESENTATION 345KV ALTERNATIVE ROBERT LONA SENIOR CONSULTANT ERCOT SYSTEM PLANNING 2/15//2008

  2. PANHANDLE AREA SCENARIO 1

  3. MCCAMEY AREA SCENARIO 1

  4. HILL COUNTRY/OTHER AREA SCENARIO 1

  5. DFW AREA SCENARIO 1 or 2

  6. FULL 345KV AC CASE SCENARIO 1 PANHANDLE 8 – 345KV CKTS. (579 MILES) 0 – 345KV AUTOS MCCAMEY 6 – 345KV CKTS. (179 MILES) 2 – 345KV AUTOS CENTRAL 6 – 345KV CKTS. (273 MILES) 2 – 345KV AUTOS DFW 12 – 345KV CKTS. (384 MILES) 7 – 345KV AUTOS OTHER 11 – 345KV CKTS. (493 MILES) 4 – 345KV AUTOS TOTAL 345KV CKTS. = 43 TOTAL 345KV AUTOS = 15 TOTAL CKT. MILES = 1,908

  7. SCENARIO COMPARISONS OF FULL 345KV AC CASES # OF TRANSMISSION CKTS. SCENARIO PANHANDLE MCCAMEY CENTRAL DFW OTHER 1 8 6 6 12 11 2 12 10 7 12 14 # OF 345KV AUTOS SCENARIO PANHANDLE MCCAMEY CENTRAL DFW OTHER 1 0 2 2 7 4 2 0 2 2 7 4 SCENARIO # OF CKT. MILES 1 1,908 2 2,974

  8. NEXT STEPS • FINALIZE SCENARIO 1 FULL 345KV AC • DEVELOP EQUIVALENT AC CASES • STABILITY ANALYSIS

  9. QUESTIONS ?

  10. PANHANDLE AREA SCENARIO 1 or 2

  11. HILL COUNTRY/OTHER AREA SCENARIO 2

  12. FULL 345KV AC CASE SCENARIO 2 • PANHANDLE 12 – 345KV CKTS. (1049 MILES) 0 – 345KV AUTOS • MCCAMEY 10 – 345KV CKTS. (471 MILES) 2 – 345KV AUTOS • CENTRAL 7 – 345KV CKTS. (301 MILES) 2 – 345KV AUTOS • DFW 12 – 345KV CKTS. (370 MILES) 7 – 345KV AUTOS • OTHER 14 – 345KV CKTS. (783 MILES) 4 – 345KV AUTOS TOTAL 345KV CKTS. = 55 TOTAL 345KV AUTOS = 15 TOTAL CKT. MILES = 2,974

  13. MCCAMEY AREA SCENARIO 2

  14. DFW AREA SCENARIO 2

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