It's easy to verify.
Since the spooks are not using the massive centres to play doom, the power usage will drop massively if they've stopped sucking up meta data.
Power demand down in Utah? Nope, I didn't think so.
Which brings to mind a different point. If Obama really believes this Global Warming stuff, then he should shut down these data centres. That would save more power than the whole of USA switching to CFLs.