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SCENARIO 2 PRESENTATION

SCENARIO 2 PRESENTATION. 345KV ALTERNATIVES ROBERT LONA SENIOR CONSULTANT ERCOT SYSTEM PLANNING 1/25/2008. TO LAMESA. TO SNYDER. MORGAN5. BLUFF CRK. TO STEVN5. CASE 106. ODESSA. SAN ANGELO RED CRK. TWIN BUTTES. MCCAMEY AREA. CRANE. BIG LAKE. TO WESTGATE. MCCAMEY. RIO

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SCENARIO 2 PRESENTATION

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  1. SCENARIO2PRESENTATION 345KV ALTERNATIVES ROBERT LONA SENIOR CONSULTANT ERCOT SYSTEM PLANNING 1/25/2008

  2. TO LAMESA TO SNYDER MORGAN5 BLUFF CRK TO STEVN5 CASE 106 ODESSA SAN ANGELO RED CRK TWIN BUTTES MCCAMEY AREA CRANE BIG LAKE TO WESTGATE MCCAMEY RIO PECOS CREZ6A SWTEC TO KENDALL PUCKETT TAP TO KENDALL CREZ6B SONORA

  3. TO BLUFF CRK TO L_DIVIDE COMANCHE SW TWIN BUTTES SAN ANGELO RED CRK HILL COUNTRY AREA TO BIGLAKE LAMPASAS TO BIGLAKE WESTGATE FERGUSON SONORA TO MCCAMEY MARSHALL FORD WILLOW GILLESPIE

  4. PAMPA PANHANDLE AREA AMARILLO PD CANYON HVDC LINE ~ 540 Miles TO CEDAR BAYOU TUCO MATADOR OKLAUNION TO SPRING SPUR BOWMAN JACKSBORO ASPERMT GRAHAM CLEAR CROSSING LAMESA WILLOW CRK SNYDER ABILENE MORGAN CRK COM PEAK BLUFF CRK STEVN5 MIDLAND BOSQUE COMANCHESW MOSS TO MCCAMEY ODESSA TO TEMPPC

  5. TO OKLAUNION HVDC LINE TO CEDAR BAYOU TO MATADOR TO MATADOR DFW AREA SPRING KRUMWEST ARGYLE DENTON LEWISVILLE JACKSBORO PERCH WILLOW CRK HICKS CARROLTON

  6. NEW TRANSMISSION BY CREZ ZONESCASE 106 • PANHANDLE / DFW 25 – 345KV CKTS. (1818 MILES) 7 – 345KV AUTOS $2.78 BILLION • MCCAMEY 17 – 345KV CKTS. (800 MILES) 8 – 345KV AUTOS $1.26 BILLION • CENTRAL 13 – 345KV CKTS. (654 MILES) 2 – 345KV AUTOS $1.02 BILLION TOTAL 345KV CKTS. = 55 TOTAL 345KV AUTOS = 17 TOTAL CKT. MILES = 3,272 TOTAL COST = $ 5.06 BILLION

  7. PAMPA AMARILLO PD CANYON CASE 112 TUCO MATADOR OKLAUNION TO SPRING SPUR BOWMAN JACKSBORO ASPERMT GRAHAM CLEAR CROSSING LAMESA WILLOW CRK SNYDER ABILENE MORGAN CRK COM PEAK BLUFF CRK TO NAVARRO STEVN5 MIDLAND BOSQUE COMANCHESW TO ZENITH MOSS TO MCCAMEY ODESSA TO TEMPPC

  8. MATADOR VENUS WATMILLE ASPERMT BLUFCRK STEVN5 BOSQUE NAVARRO BIGBRN HVDC LINE ~ 250 Miles LIMESTONE TEMPPC ZENITH FPP

  9. NEW TRANSMISSION BY CREZ ZONESCASE 112 PANHANDLE / DFW 24 – 345KV CKTS. (1818 MILES) 7 – 345KV AUTOS $1.98 BILLION MCCAMEY 17 – 345KV CKTS. (800 MILES) 8 – 345KV AUTOS $1.26 BILLION CENTRAL 12 – 345KV CKTS. (654 MILES) 1 – 345KV AUTOS $1.40 BILLION TOTAL 345KV CKTS. = 53 TOTAL 345KV AUTOS = 16 TOTAL CKT. MILES = 3,011 TOTAL COST = $ 4.64 BILLION

  10. CASE COMPARISONS NEW OVERALL % ANNUAL CASE NEW CKTS. AUTOS CURTAILMENT MILES COST $B PC SAVINGS $B • 55 17 2.14% 3,272 $ 5.06 $ 1.78 112 53 16 2.23% 3,011 $ 4.64 $ 1.77

  11. NEXT STEPS • MODEL DC COMPONENT OF CASE 106 / 112 IN UPLAN • DEVELOP EQUIVALENT AC CASES • STABILITY ANALYSIS

  12. QUESTIONS ?

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