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Clean-Energy Developers Reaped Excess U.S. Aid, Auditors Say

The Obama administration overpaid renewable power developers in a federal grant program, including $2.08 million distributed to a unit of Acciona SA, a Spanish maker of wind turbines, according to government investigators.

The excess payment to EcoGrove Wind LLC, a unit of Acciona, was uncovered in an audit by the U.S. Treasury Department’s inspector general. EcoGrove received a $67.9 million grant in October 2009 for a wind farm in Illinois through a program to promote clean power created in the economic stimulus bill that year.