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Your next Google search could be powered by a wind farm

The tech giant expects to run entirely on renewable energy sources in 2017.

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Back in 2010, Google signed its first deal to buy all the energy from a 114-megawatt wind farm in Iowa. Next year, the company expects that all of its power will come from renewable sources.

Brooks Kraft/Corbis via Getty Images

Google is going completely renewable.

The search giant said in a blog post Tuesday it expects to reach its goal of running 100 percent of its global operations, including data centers and officers, on renewable energy sources in 2017.

Those data centers, in particular, gobble up enormous amounts of energy to power trillions of Google searches every year. To offset those energy needs, the company said it will buy enough wind and solar electricity every year to account for all the electricity its operations consume worldwide. Google said it's currently the largest corporate buyer of renewable power, with commitments for 2.6 gigawatts of energy, most from wind projects.

A handful of other tech heavyweights have also worked to increase their renewable energy commitments, including Amazon, Microsoft, Facebook and Apple.

"Our ultimate goal is to create a world where everyone -- not just Google -- has access to clean energy," Urs Hölzle, senior vice president of technical infrastructure, said in the blog post.