Top 10 Utility Stocks with Highest Short Interest: CMS, WTR, CLNE, TEG, BKH, ENOC, MIR, HE, WGL, ALE (Mar 05, 2010)

Below are the top 10 Utility stocks with the highest short interest as a percentage of total shares outstanding.

CMS Energy Corporation (NYSE:CMS) has the 1st highest short interest in this segment of the market. Its short interest is 14.1% of its total shares outstanding. Its Days to Cover is 11.23, calculated as current short interest divided by average daily volume. Aqua America, Inc. (NYSE:WTR) has the 2nd highest short interest in this segment of the market. Its short interest is 10.8% of its total shares outstanding. Its Days to Cover is 17.15, calculated as current short interest divided by average daily volume. Clean Energy Fuels Corp. (NASDAQ:CLNE) has the 3rd highest short interest in this segment of the market. Its short interest is 10.4% of its total shares outstanding. Its Days to Cover is 6.22, calculated as current short interest divided by average daily volume. Integrys Energy Group, Inc. (NYSE:TEG) has the 4th highest short interest in this segment of the market. Its short interest is 9.6% of its total shares outstanding. Its Days to Cover is 12.73, calculated as current short interest divided by average daily volume. Black Hills Corporation (NYSE:BKH) has the 5th highest short interest in this segment of the market. Its short interest is 9.5% of its total shares outstanding. Its Days to Cover is 11.32, calculated as current short interest divided by average daily volume.

EnerNOC, Inc. (NASDAQ:ENOC) has the 6th highest short interest in this segment of the market. Its short interest is 9.2% of its total shares outstanding. Its Days to Cover is 5.88, calculated as current short interest divided by average daily volume. Mirant Corporation (NYSE:MIR) has the 7th highest short interest in this segment of the market. Its short interest is 8.3% of its total shares outstanding. Its Days to Cover is 6.43, calculated as current short interest divided by average daily volume. Hawaiian Electric Industries, Inc. (NYSE:HE) has the 8th highest short interest in this segment of the market. Its short interest is 7.1% of its total shares outstanding. Its Days to Cover is 10.81, calculated as current short interest divided by average daily volume. WGL Holdings, Inc. (NYSE:WGL) has the 9th highest short interest in this segment of the market. Its short interest is 6.9% of its total shares outstanding. Its Days to Cover is 13.62, calculated as current short interest divided by average daily volume. ALLETE, Inc. (NYSE:ALE) has the 10th highest short interest in this segment of the market. Its short interest is 6.7% of its total shares outstanding. Its Days to Cover is 15.43, calculated as current short interest divided by average daily volume.