CleanSpark (NASDAQ:CLSK) acquired 1,061 Whatsminer M30S machines that are already mining bitcoin at Coinmint's renewable-powered co-location facility.This will lead to the addition of ~93 petahashes per second of computing power to its existing mining capacity.The company purchased the machines at a substantially discounted price compared to the spot market price from just a few months ago; this is the second bulk purchase of machines in approx. one month.Over the past six months, the company's computing power has increased by 47% while its monthly bitcoin production has grown 50% over the same time period.Shares trading 3.3% lower premarket.