offshore wind connection & costs mary doswell alternative energy solutions december 7 th, 2010
TRANSCRIPT
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OFFSHORE WINDCONNECTION & COSTS
Mary Doswell
Alternative Energy Solutions
December 7th, 2010
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Virginia Offshore Wind Integration Study
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Virginia Beach Transmission System
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Study Scope
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Landstown Substation
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Attachment Facilities – 15 to 25 miles just to shore line. Would be transmission voltage level and possibly need to be multiple DC lines.
Shore Line
Virginia Offshore Border
Once on shore, attachment facilities could extend several more miles to point of interconnection
Distribution voltage lines
Offshore Transmission Station
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Study Results 2700 MW Site
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Study Results 4500 MW Site
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Conclusion
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Dominion’s Interest in Renewable Energy
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Offshore Wind - Cost Comparison
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Cost of N
ew C
ombined C
ycle Gas T
urbineU
S E
IA A
nnual Energy O
utlook 2010
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Summary