Renewable energy has been a hotly debated topic in Washington, DC during the past few years, but one person who isn't listening to the noise is Warren Buffett. Instead, he's putting billions of dollars to work buying wind and solar power plants and, this week, said there's another $15 billion ready to go.

Buffett isn't buying solar panel manufacturers or wind farm installers. Instead, he's buying power plants with 20-year power-purchase agreements and predictable cash flows, much like a bond. First Solar (NASDAQ:FSLR) and SunPower (NASDAQ:SPWR) have benefited from this, selling hundreds of megawatts of projects to Buffett, which they may do again in the future. 

How can you invest in wind and solar like Warren Buffett? Renewable energy yieldcos are starting to hit the market and are a good way to get exposure to these markets. NRG Energy launched NRG Yield (NYSE:NYLD) last year, and SunEdison (NYSE:SUNE) will launch a yieldco later this year. Solar specialist Travis Hoium covers more on Buffett's investments, and how you can invest in renewable energy in the video below.

Warren Buffett's biggest fear is about to come true
Warren Buffett just called this emerging technology a "real threat" to his biggest cash-cow. While Buffett shakes in his billionaire-boots, only a few investors are embracing this new market which experts say will be worth over $2 trillion. It won't be long before everyone on Wall Street wises up, that's why The Motley Fool is releasing this timely investor alert. Click here to learn more about what's keeping Buffett up at night and the one public company we're calling the "brains behind" the technology.

Travis Hoium manages an account that owns shares of NRG YIELD INC and SunPower and is personally long shares and options of SunPower. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not 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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