Website : www . microsoft . com Microsoft wasn ’ t always sporting the best numbers with its data centres , but the company also had a lot of opportunities and time to learn from its failures . By using ITPACs , or integrated server modules , the Generation 4 data centre runs more efficiently and requires less energy . After plenty of trial and error , Microsoft chose to move into a cooler climate to take advantage of the already chilly air . In the town of Quincy , WA , you ’ ll find the Generation 4 data centre that sports a lowest PUE of 1.12 , while its average is 1.16 . 06 26 November 2017