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they are saying the total hashrate will exceed 1,000,000,000 Hash/s.
Im sure they are working overtime to get it up and running since each day costs them hundreds of thousands of dollars.
They are saying that they want to open a new facility with 100MW capacity. Their new hardware will be less than 0.1W/GH. So yes, they alone will be able to put over 1 Exahash into bitcoin hashrate (over 200% increase in diff). Even if this take a year to complete it means ~40PH of hashrate added every diff adjustment.