Today Microsoft announced that our 2 newest data centers will be opening this month. Together these Generation 3 facilities demonstrate Microsoft’s continuing commitment to improving data center efficiency with a focus on environmental sustainability.

The Dublin, Ireland, data center makes extensive use of outside air economization to cool the facility year round, resulting in greater power efficiency with a resultant reduction in carbon footprint.

The Chicago, Illinois facility is optimized for housing containerized servers which conserve energy and will help us realize new advancements in power efficiency with a PUE yearly average calculated at 1.22.

You can read the full details here.