Google announce plans to add an additional 842 megawatts of renewable energy capacity to power its data centers. This brings the company’s commitments for renewal energy purchases to 2 gigawatts.

Google also noted that it has made separate agreements to fund $2.5 billion into 22 large-scale renewable energy projects over the last five years at various sites around the world.
https://googleblog.blogspot.com/2015/12/powering-internet-with-renewable-energy.html