Jim Cramer's Guide to Wind Power

Updated from 7:59 a.m. EDT

Jim Cramer has been talking about wind power a lot lately. In a July 17 video for TheStreet.com TV, he said: "Wind is going to be, because it's so cheap, a major focus." It's going to be a 2009 story, he said, "so I think every time it goes down, you buy it."

In terms of green energy plays, Cramer said in a July 23 video, solar energy is expensive. "That is not the case with wind," he said. "Wind is really cheap."

On July 28, in a post to his RealMoney blog, Cramer said that the "wind story is a 2009 story in terms of earnings, but it is a takeover and consolidation story right now. Very exciting."

In an Aug. 6 blog post, Cramer called wind power "clean and efficient and able to be integrated to the grid much more easily than the critics say."

With this in mind, at Stockpickr.com, we've combed through his recent RealMoney blog posts, TheStreet.com TV videos, "Mad Money" TV show episodes and "Stop Trading!" segments and compiled the highlights of what he's been saying about ways to play wind power, including with such stocks as Quanta Services(PWR Quote), Trinity Industries(TRN Quote) and Owens Corning(OC Quote).

To find out, please click here.

(Editor's note: At the time of publication and/or original publication of his posts and shows, Cramer owned Quanta and Trinity for his Action Alerts PLUS charitable trust.)

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A note from James Altucher:

Every weekend I send an email to Jim Cramer and several hedge fund managers about the most interesting portfolios posted on Stockpickr that week. Usually those portfolios not only list stocks according to a theme but also offer significant analysis as to why the stocks are cheap.

Here are some examples:

• Stocks related to drilling the Marcellus Shale
• MLPS with yields above 7%
• Microcaps trading for less than tangible book
• Stocks that do well after Hurricanes

Here's the challenge: Build a portfolio at Stockpickr.com with great analysis, and send me the link. Each great portfolio (with analysis) will get posted on TheStreet.com with your byline (as a "Stockpickr Guest Columnist") and will be included in my email I send to Jim and the other hedge fund managers on my list.