Greenidge Generation Holdings said it will buy10,000 crypto mining machines for its planned new facility in Spartanburg, S.C.

The upstate New York-based mining firm announced Wednesday its purchase order for 10,000 S19j Pro bitcoin miners from Bitmain.The new units will offer an additional 1 exahash of capacity to the firm’s operations and forms part of its plans to expand to 500 megawatts by 2025 through additional locations such as the one in Spartanburg. An exahash is a measure of the computing power of the heavy-duty computers crypto miners users to process crypto transactions and to mint new bitcoin.In July Greenidge announced its plan for the plant, which will begin mining later this year or early next year with two-thirds of its electricity planned to come from zero-carbon sources such as nuclear power.Today’s purchase order coincides with Greenidge’s listing on Nasdaq, according to an filing with the U.S. Securities and Exchange Commission on Monday. Greenidge’s planned public listing via a merger with IT support provider Support.com was announced in March.

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