Greening our grid through renewable energy purchases

Oct 08
2014



Ever think about how much energy it takes to search forsomething on Google?Our engineers spend a lot of time thinking about it andworking hard to make our operations asefficient as possible. This means when you search on Google or use one of our otherproducts or services, you don't use much energy at all. We've always optimized our data centers for efficiency,designing them to sip rather than gulp energy. For the energy we do need to power our products andservices, we are finding ways to use andpurchase clean energy. One of the ways we buy clean power is through powerpurchase agreements. PPAs are contracts to buy energy from specificfacilities that supply energy to a regional power grip. We engage in PPAs specifically for renewable energy sourceslike wind farms. Why not just build clean energy sources right on ourdata centers?The places with the best clean power potential are generallynot the same places where a data center can mostefficiently and reliably serve its users. And while our data centers operate 24/7, most renewableenergy sources don't yet. Google seeks out PPAs that lead to new renewable energysources being added to the grid over time. With PPAs, we aim to encourage the creation of additionalfacilities. So we enter into long-term, large scale contracts thatenable clean energy providers to get the financing they needto build new projects. At Google we have a strong interest in buying cleanenergy now and ensuring that we all have clean reliablesources of energy into the future. It's our hope that purchases like these help support themarket and drive down the cost of clean power, enablingrenewable energy projects to multiply.

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