Battery maker Aquion Energy raises $24.6 mln

Pittsburgh-based Aquion Energy, which makes energy storage systems, has raised $24.6 million in new funding, according to a regulatory filing that says the total offering amount is $32.6 million. The Pittsburgh Post-Gazette reported on Monday that the funding round will fuel the company's operations through 2015. The regulatory filing didn't indicate what investors participated in the round. The company had previously raised about $110 million in debt and equity from Advanced Technology Ventures, Foundation Capital, Kleiner Perkins Caufield & Byers and TriplePoint Capital.

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