” agency like the NSA probably has enough backup generator capacity to run the entire building with redundancy. Most likely diesel generators, but could be using natural gas in addition to diesel.”
Sure, but generally the back-ups don’t power the A/C and other “non-essential” systems. So, make it Hell for them, like they do for us.
In a business I would agree. However FedGov is more than willing to spend money on stupid things. If not, I’m sure they will rent enough at taxpayer expense to stay comfy.