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SCENARIO 2 PRESENTATION. 345KV HVDC ALTERNATIVE ROBERT LONA SENIOR CONSULTANT ERCOT SYSTEM PLANNING 3/10//2008. HVDC COST ASSUMPTIONS. $250/KW HVDC RATING(MW) COST $M 1000 $789 1500 $1,039 - PowerPoint PPT Presentation
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SCENARIO 2 PRESENTATION
345KV HVDC ALTERNATIVEROBERT LONA
SENIOR CONSULTANTERCOT SYSTEM PLANNING
3/10//2008
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HVDC COST ASSUMPTIONS• $250/KW HVDC RATING(MW) COST $M 1000 $789 1500 $1,039 2000 $1,289 2500 $1,539 3000 $1,789 4000 $2,289
• $1.05 MILLION/MILE(APPROXIMATELY 70% OF AC LINE COST)
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3000MW HVDC ALTERNATIVES
• BLUFF CRK 345KV BUS – EVERMAN 345KV BUS• PANHANDLE – NAVARRO 345KV BUS• ODESSA 345KV BUS – W.A.PARISH 345KV BUS• OTHERS?
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BLUFF CRK – EVERMAN 3000MW HVDC
• ~ 165 MILES• ESTIMATED TRANSMISSION COST $173 MILLION• HVDC COST $1,500 MILLION• TOTAL HVDC COST $1.673 BILLION
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HVDC: BLUFCRK5 – EVERMAN5
SALADO5
KENDALL
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CURRENT STATUS OF BLFCRK – EVERMAN HVDC
4 – MONTH WIND CURTAILMENT
MCCAMEY CENTRAL PANHANDLE OVERALL 3.21% 5.62% 11.12% 6.93%
TRANSMISSION COST COMPARABLE TO FULL 345KV AC CASESWITH 2% CURTAILMENT
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PANHANDLE – NAVARRO 3000MW HVDC
• ~ 275 MILES• ESTIMATED TRANSMISSION COST $289 MILLION• HVDC COST $1,500 MILLION• TOTAL HVDC COST $1,789
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3000MW HVDC: PANHANDLE – NAVARRO
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NAVARRO
SALADO
KENDALL
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CURRENT STATUS OF PANHANDLE - NAVARRO HVDC
4- MONTH WIND CURTAILMENT
MCCAMEY CENTRAL PANHANDLE OVERALL 8.61% 20.12% 3.28% 12.45%
TRANSMISSION COST COMPARABLE TO FULL 345KV AC CASESWITH 2% CURTAILMENT
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NEXT STEPS
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QUESTIONS ?