>Shutdown the Sacramento data center and re-provisioned the 5,200 racks and 148,000 servers, which generated more than $100M in annual savings. In total, we freed up 48 MW of capacity and tore down 60k lbs. of network ladder rack before re-provisioning it to other data centers.<p>The story of how they did this is in the new Elon Musk biography by Walter Isaacson. It's a pretty cool story.