offshore wind connection & costs mary doswell alternative energy solutions december 7 th, 2010
TRANSCRIPT
OFFSHORE WINDCONNECTION & COSTS
Mary Doswell
Alternative Energy Solutions
December 7th, 2010
Virginia Offshore Wind Integration Study
Virginia Beach Transmission System
Study Scope
Landstown Substation
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
Study Results 2700 MW Site
Study Results 4500 MW Site
Conclusion
Dominion’s Interest in Renewable Energy
Offshore Wind - Cost Comparison
Cost of N
ew C
ombined C
ycle Gas T
urbineU
S E
IA A
nnual Energy O
utlook 2010
Summary