Blade by blade, General Electric Co. is building part of its future a few miles off the Rhode Island coast, turning a one-time piece of Enron Corp. into a global renewable-energy business. GE shipped 400-ton nacelles and other massive equipment from its factories in Europe to Providence this summer to outfit the Block Island project, the first offshore wind farm in the U.S. The turbines-each about twice the height of the Statue of Liberty-were installed last week and are set to go online later this year.
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