No, the NSA has one facility that would be a small/medium datacenter in the big league, but only if you assume that the NSA is as efficient as Google, which is a bit of a stretch.
NSA Utah: 65 MW Google Pryor, Oklahoma: 340 MW
NSA Utah: 65 MW Google Pryor, Oklahoma: 340 MW
I can assure you that it's not mapping each query down to a single-sector disk read off an inverted index.
I think the query pipeline for NSA (relative to the scales of Google's query pipeline) looks like absense-of-query-pipeline. Hence NSA using less compute and thus (the reasoning goes) less power consumption.
Every Google data center does...everything.