NEW YORK ( TheStreet) -- Atlantic Power Corporation (NYSE: AT) is trading at unusually high volume Wednesday with 3.1 million shares changing hands. It is currently at 8.2 times its average daily volume and trading down 49 cents (-3.7%) at $12.71 as of 10:30 a.m. ET.

Atlantic has a market cap of $1.51 billion and is part of the utilities sector and utilities industry. Shares are down 7.1% year to date as of the close of trading on Tuesday.

Atlantic Power Corporation operates as a power generation and infrastructure company with a portfolio of assets in the United States and Canada.

TheStreet Ratings rates Atlantic as a sell. The company's weaknesses can be seen in multiple areas, such as its feeble growth in its earnings per share, deteriorating net income, generally weak debt management and generally disappointing historical performance in the stock itself. You can view the full Atlantic Ratings Report.

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