Net loss was $9.1m, or $0.75, a year earlier.
Wind division revenue was $5.67m versus $18.16m a year earlier, while grid revenue rose to $7.67m from $5.59m. Total revenue in the quarter was $13.34m, down from $23.72m a year earlier.
Excluding items, net loss was unchanged at $8.7m.
AMSC shares declined 15.3% to $7.87 in early New York trading on the weak results.
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