According to a survey by business consultant Ernst & Young, venture funding for "cleantech" companies dropped sharply in the first quarter of 2009, to 23 deals worth $237 million. Despite the downturn the quarter produced some winners. Funding for energy storage companies rose to $114 million from $50 million one year ago. Lithium ion battery manufacturer A123 Systems, Watertown, MA, raised $69 million. Fuel cell companies raised $45 million, led by a $28 million funding for Lilliputian Systems, Wilmington, MA. Investment in energy generation fell 73% from one year ago, to $56 million.