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In addition to old standbys like consumer staples, utility stocks are a proven favorite during times when your portfolio needs a defensive touch. Among utilities, Virginia-based Dominion Resources (NYSE: D) stands out for its solid price action, its exposure to natural gas, and its heavy potential for future upgrades.

While natural gas might not seem terribly thrilling, many analysts expect it to be a hot commodity in the coming years. It's a plentiful resource in North America, and no less an energy tycoon than T. Boone Pickens is banking on a natural-gas boom. With 1.1 trillion cubic feet of oil and natural gas reserves, Dominion looks poised to capitalize on a shift toward this source of energy.

The utility firm already seems to be thriving, in fact. In its October 30 earnings report, the company exceeded analysts' profit expectations by 4 cents per share, and offered upbeat guidance for fiscal 2008 and 2009.

For value investors, though, the third-quarter report contained even more good news. Thomas Farrell II, Dominion's president, chairman, and CEO, stated, "Given its confidence in the strength of our company's earnings and business model, the board of directors recently declared our fourth-quarter dividend and reconfirmed our dividend policy to sustain increases in 2009 and 2010 that will allow us to reach our targeted 2010 payout ratio of 55%."