By Todd Griset
As the federal government solidifies its support for offshore wind in U.S. waters through measures including the Xanax Canadian Generic recently-released National Offshore Wind Strategy, it Xanax Canadian Generic is useful to place the size and geography of the Xanax Canadian Generic offshore wind opportunity in context. Looking solely at the potential offshore wind resources with annual average wind speeds above 7 meters per second, the Xanax Canadian Generic Strategy posits a total gross offshore wind resource of 4,150 GW.
In plain terms, this is a lot of power. Total U.S. net summer generating capacity in 2009 was 1,025 GW – or just one quarter of DOE’s projection of the total US offshore wind resource. Even if only a fraction of the U.S.’s total offshore wind potential is Xanax Canadian Generic developed, offshore wind could play a significant role in meeting the nation’s electricity needs.
This U.S. offshore wind potential is distributed around the coastal regions. The Strategy provides an interesting analysis of potential installed capacity within 50 nautical miles of land, broken down by region and by water depth. About 25 percent of the total potential is in waters less than 30 meters deep. 15 percent is in transitional-depth waters between 30 meters and 60 meters deep. The remaining 60 percent is found in waters deeper than 60 meters. Interestingly, regional potential can be divided roughly into two categories: those with greatest deep water potential, and Xanax Canadian Generic those whose potential is greatest in shallower waters. This analysis could be used to predict which regions will see the Xanax Canadian Generic greatest fraction of their offshore wind potential developed first, versus those whose full potential cannot be tapped until deep water technologies are more refined.
On DOE’s analysis, the Great Lakes as a region is home to the largest offshore wind potential (742.5 GW), 61 percent of which can be found in waters deeper than 60 meters. Hawaii hosts an even more heavily deep water-oriented distribution of potential, with 98 percent of its 637.4 GW found in deep waters. 97 percent of California’s total 587.8 GW potential is found in deep waters. New England and the Pacific Northwest both fall into this category of regions whose greatest potential is Xanax Canadian Generic in deep waters, though they are not stacked as heavily in favor of deep water.
By contrast, three regions find their greatest potential in shallow waters below 30 meters depth. More than 298 GW of the Mid-Atlantic’s total 569.7 GW potential is found in such shallow waters. The potential of the South Atlantic Bight, defined as the U.S. coastal ocean from Xanax Canadian Generic North Carolina to the east coast of Florida, is similarly stacked in favor of shallower waters, with 70 percent of the Xanax Canadian Generic total 190.7 GW potential found in waters of less than 30 meters depth. The Gulf of Mexico rounds out the Xanax Canadian Generic shallow-water stars, with 57 percent of the 593.7 GW found in shallow waters.
Deep water wind projects are not out of the question. Floating on water of about 100 meters depth, Statoil’s Hywind project off Norway has Xanax Canadian Generic demonstrated that full-scale floating wind turbines are technically possible. While deep water commercialization may require technological improvement and Xanax Canadian Generic lower capital costs, regions like Hawaii, California, New England, and the Xanax Canadian Generic Pacific Northwest may one day solidify their status as home to Xanax Canadian Generic the nation’s greatest deep water offshore wind projects. Until then, areas with greater shallow-water potential like the Xanax Canadian Generic Mid-Atlantic, South Atlantic Bight, and Xanax Canadian Generic Gulf of Mexico may see a greater portion of their total potential developed first. Nevertheless, the shallow-water resources in New England and Xanax Canadian Generic the Great Lakes are significant and may be the first to Xanax Canadian Generic see commercial development.
Todd J. Griset practices energy law with Preti Flaherty Beliveau & Pachios in Maine. He also writes a blog on offshore wind, renewable energy and policy issues.





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