CleanSpark’s Bitcoin (BTC) Stack Rose to More Than 13K in September
October 3, 2025
By Will Canny, AI Boost|Edited by Nikhilesh De
Oct 3, 2025, 1:47 p.m.
- CleanSpark produced 629 bitcoin in September, sold 445 for about $49 million, and grew its holdings to more than 13,000 BTC.
- The company’s fleet averaged 45.6 exahashes per second (EH/s) and achieved efficiency of 16.07 joules per terahash (J/Th).
Bitcoin BTC$120,475.25 miner CleanSpark (CLSK) ended September with record production and a growing BTC treasury as it wrapped up a transformative fiscal year, the company said in a press release Friday.
The Las Vegas-based mining firm produced 629 bitcoin during the month, averaging nearly 21 coins a day, and sold 445 BTC for about $49 million at an average price of $109,568.
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Its operational hashrate averaged 45.6 EH/s with fleet efficiency reaching 16.07 J/Th.
The company’s holdings rose to more than 13,000 self-mined BTC, underscoring its strategy of using bitcoin as a core treasury asset.
Over the past year, CleanSpark expanded capacity with the purchase of GRIID Infrastructure, launched a derivatives program to manage volatility and fund operations and strengthened its balance sheet with $650 million in convertible notes and $400 million in bitcoin-backed credit facilities.
Chief executive Matt Schultz said September was “monumental,” in the release, highlighting new leadership appointments and an additional $200 million in credit capacity.
With 1.03 gigawatts (GW) of power under contract and 808 megawatts (MW) in use, CleanSpark is positioning itself as one of the industry’s largest self-operated miners heading into fiscal 2026.
CleanSpark shares were 5.7% higher in early trade, around $16.00.
Read more: CleanSpark Shares Rise After Getting $100M Bitcoin-Backed Credit From Coinbase Prime
AI Disclaimer: Parts of this article were generated with the assistance from AI tools and reviewed by our editorial team to ensure accuracy and adherence to our standards. For more information, see CoinDesk’s full AI Policy.
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