Top 10 Most Profitable Utility Stocks: BIP, CHKM, WES, EOC, YORW, ITC, D, WTR, SBS, ENI (Jul 02, 2011)

Below are the top 10 most profitable Utility stocks for the last 12 months, UPDATED TODAY before 4:30 AM ET.

Brookfield Infrastructure Partners L.P. (NYSE:BIP) is the 1st most profitable stock in this segment of the market. Its net profit margin was 64.64% for the last 12 months. Its operating profit margin was 62.39% for the same period. Chesapeake Midstream Partners, L.P. (NYSE:CHKM) is the 2nd most profitable stock in this segment of the market. Its net profit margin was 40.86% for the last 12 months. Its operating profit margin was 41.94% for the same period. Western Gas Partners, LP (NYSE:WES) is the 3rd most profitable stock in this segment of the market. Its net profit margin was 27.96% for the last 12 months. Its operating profit margin was 29.90% for the same period. Empresa Nacional de Electricidad (ADR) (NYSE:EOC) is the 4th most profitable stock in this segment of the market. Its net profit margin was 27.08% for the last 12 months. Its operating profit margin was 35.25% for the same period. The York Water Company (NASDAQ:YORW) is the 5th most profitable stock in this segment of the market. Its net profit margin was 23.29% for the last 12 months. Its operating profit margin was 50.66% for the same period.

ITC Holdings Corp. (NYSE:ITC) is the 6th most profitable stock in this segment of the market. Its net profit margin was 21.47% for the last 12 months. Its operating profit margin was 52.02% for the same period. Dominion Resources, Inc. (NYSE:D) is the 7th most profitable stock in this segment of the market. Its net profit margin was 20.79% for the last 12 months. Its operating profit margin was 39.30% for the same period. Aqua America, Inc. (NYSE:WTR) is the 8th most profitable stock in this segment of the market. Its net profit margin was 18.02% for the last 12 months. Its operating profit margin was 38.32% for the same period. Companhia de Saneamento Basico (ADR) (NYSE:SBS) is the 9th most profitable stock in this segment of the market. Its net profit margin was 17.66% for the last 12 months. Its operating profit margin was 25.29% for the same period. Enersis S.A. (ADR) (NYSE:ENI) is the 10th most profitable stock in this segment of the market. Its net profit margin was 16.77% for the last 12 months. Its operating profit margin was 25.97% for the same period.