Vanguard Utilities ETF ( VPU) follows the MSCI US Investable Market Utilities 25/50 Index which consists of small, medium and large companies. The fund was launched in January 2004. The expense ratio is .25%. AUM equal $787 million and average daily trading volume is 53K shares. As of late July 2011 the annual dividend was $2.40 making the current yield 3.40%.

Here are VPU's top 10 holdings and weightings as of July, 2011. They are 1. Southern Company (SO): 6.43%; 2. Exelon (EXC): 5.54%; 3. Dominion Resources (D): 5.27%; 4. Duke Energy (DUK): 4.88%; 5. NextEra Energy (NEE): 4.42%; 6. PG&E (PCG): 3.52%; 7. American Electric Power (AEP): 3.43%; 8. Public Service Enterprise Group (PEG): 3.24%; 9. FirstEnergy (FE): 3.15%; 10. Consolidated Edison (ED): 2.99%

iShares DJ U.S. Utilities ETF ( IDU) follows the Dow Jones U.S. Utilities Index which also covers the broad spectrum of the utilities sector of the U.S. equity market. The fund was launched in June 2000. The expense ratio is .48%. AUM equal $540 million and average daily trading volume is 40K shares. As of late July 2011 the annual dividend was $2.95 making the current yield 3.50% and YTD return nearly 9%.

Here are IDU's top 10 holdings and weightings as of July 2011. They are 1. Southern Co (SO): 6.54%; 2. Exelon (EXC): 5.46%; 3. Dominion Resources (D): 5.41%; 4. Duke Energy (DUK): 4.79%; 5. NextEra Energy (NEE): 4.67%; 6. FirstEnergy (FE): 3.56%; 7. American Electric Power (AEP): 3.47%; 8. Spectra Energy (SE): 3.43%; 9. PG&E (PCG): 3.22%; 10. Public Service Enterprise Group (PEG): 3.20%.

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