Source: National Home Services.

We all collect things, and utilities are no different. From raw energy to power plants to transmission lines to distribution centers, energy corporations are the biggest collectors around. But not everything is worth owning.

In the following slideshow, check out three of the weirdest subsidiaries ever owned by Just Energy Group (NYSE:JE), AGL Resources (NYSE:GAS), and Southern Company (NYSE:SO). "Diworsification" is a danger sign for any investment -- make sure your own energy stocks don't fall into the trap.

Not all dividend stocks are equal
The smartest investors know that dividend stocks crush their non-dividend-paying counterparts over the long term. They also know that a well-constructed dividend portfolio creates wealth steadily, while still allowing you to sleep like a baby. Knowing how valuable such a portfolio might be, our top analysts put together a report on a group of high-yielding stocks, unburdened by bothersome subsidiaries, that should be in any income investor's portfolio. To see our free report on these stocks, just click here now.

Justin Loiseau has no position in any stocks mentioned. The Motley Fool recommends Southern Company. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.

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