New aerial photos obtained by Wired reveal some of Apple's recent progress on expanding its North Carolina datacenter. Immediately next to the main facility -- which handles iCloud and iTunes traffic -- is Apple's so-called "tactical" datacenter, which provides some unknown support functions. Across the road is a 100-acre solar farm, still under construction, which should eventually generate 20MW of power. Also seen in photos is a power substation, and small plot which may be where Apple intends to put its 4.8MW biogas facility.