good luck, main cost will be in wiring / cooling infrastructure.
I'm guessing you're around Morman Lake in middle Washington for the .03c per kw price point.
One thing to consider is can you add additional service to your address (additional power) - call the power company and check time, and pricing (easy way to take a 5k square foot warehouse) and make it handle 1mw+ of power
Second, consider your wet bulb, Washington state (west of cascades) is high, out east, relative humidity is low. You can get away with evaporate cooling easy enough and cheaply.
Third, if mining goes south, whats another high yield / power hungry industry in your state (Washington) that is now legal? With all the circuits, power and the cooling, consider splitting the investment between bitcoin mining and a growing operation. This might possibly be the best way to guarantee the FBI would kick down your door, but hey, you would be doing everything legally!
Good thoughts on this one.... except there is currently a moratorium on upgrades in excess of 1MW here, so upgrades aren't as easy as one might think. Even if you can get them approved, upgrades still cost tens of thousands of dollars, unless you happen to have a big building right next to an existing power sub-station. That's not to say there aren't locations that already have over a MW. For instance, the ASICSPACE facility up in Cashmere, they lucked out as TreeTop already had that much draw to the location from decades ago. Morman Lake is in Arizona, wrong state. Growing pot, if mining were to go south is not exactly easy, the application process is closed, so you would have to buy an existing license, which are going for $40-350k depending on how much growing square footage was requested on the original application and your building would need to meet a list of about 20 state requirements.