CleanSpark, Inc..
CLSK.US | Other mining and quarrying n.e.c.
CleanSpark, Inc. is an American Bitcoin mining company that also provides energy solutions. The company focuses on Bitcoin mining operations, utilizing proprietary software and advanced hardware to efficiently mine Bitcoin. CleanSpark also offers energy software and control technology solutions for ...Show More
Better Health for All
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CleanSpark's Bitcoin mining operations generate significant negative health externalities. Its Sandersville site is estimated to emit 314,000 tons of CO2 per year, and its College Park mine 166,000 tons, with 91% of electricity at both sites derived from fossil fuels.
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Noise pollution from mining operations is also acknowledged as a primary concern, leading to community complaints.
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The company is investing in advanced noise mitigation technologies, including immersion cooling and site design enhancements.
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During Hurricane Helene, CleanSpark shut down 365 MW of its Southeast Georgia sites to avoid undue pressure on the electrical grid.
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In response to a global health crisis, the company provided a Bitcoin donation to a Ukrainian children’s organization.
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For its workforce, CleanSpark provides equipment, training, certifications, an accident reporting and prevention system, and a worker’s compensation program.
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It offers competitive wages starting at $21 per hour after probation, along with PTO, health insurance, a 401K plan, and education stipends.
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The company also reports that over 59% of its workforce identifies as a minority, aiming to remove barriers to success through diversity, equity, and inclusion practices.
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Fair Money & Economic Opportunity
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The provided articles do not contain any information relevant to CLSK.US or the ethical value of Fair Money & Economic Opportunity.
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Therefore, no KPIs can be scored based on the evidence provided.
Fair Pay & Worker Respect
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For the 2025 fiscal year, the CEO pay ratio was 492:1, with CEO S. Matthew Schultz earning $44,901,507 and the median employee earning $91,263.
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In contrast, an anonymous company-wide survey reported that 97% of employees found CleanSpark to be a "great place to work," leading to the company receiving the 2022 Great Place to Work® certification.
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Other employee feedback from Glassdoor reviews shows an overall employee rating of 3.4 out of 5 stars (based on 19 reviews) and 46% of employees would recommend working at CleanSpark to a friend.
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The CEO approval rating was 21%.
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Fair Trade & Ethical Sourcing
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No specific, quantitative evidence was found across the provided articles for any of the KPIs related to Fair Trade & Ethical Sourcing. While the Spark Supplier Code of Conduct (Article 2) outlines policies against forced labor, child labor, and mandates responsible sourcing of conflict minerals, it does not provide quantitative data on the percentage of fair-trade certified spend, audit frequency, number of substantiated incidents, traceability coverage, remediation speed, percentage of contracts with ethical clauses, share of high-risk materials, or supplier diversity spend.
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The company's ESG reports (Articles 5 and 6) explicitly state that data for these areas was not provided.
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Honest & Fair Business
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CleanSpark, Inc. adopted an 'Ethics Reporting & Whistleblower Protection Policy' on September 26, 2025, which includes an Ethics Hotline Phone Number and prohibits retaliation against those who report violations.
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However, there is no evidence of independent investigation processes for these reports.
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The company indicated in its December 3, 2024, annual report (Form 10-K) that its financial statements reflect the correction of an error to previously issued financial statements, which required a recovery analysis of incentive-based compensation.
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The entire annual report (Form 10-K) includes audited financial statements by BDO USA, P.C.
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At least a majority of the Board’s members satisfy the independent requirements under Nasdaq rules.
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The company is committed to complying with the U.S. Foreign Corrupt Practices Act (FCPA) and other anti-corruption laws, prohibiting bribes, kickbacks, or other inducements.
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However, the policy's training frequency and effectiveness metrics are not detailed.
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The financial statements are audited by BDO USA, P.C., and the company relies on Coinbase's security systems to safeguard its bitcoin holdings.
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Kind to Animals
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No evidence available to assess CleanSpark, Inc. on Kind to Animals.
No War, No Weapons
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The company's ESG and Corporate Responsibility Report for fiscal year 2022 states that it is a Bitcoin miner, not a defense contractor, and that revenue from arms contracts is not applicable.
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Similarly, the report indicates that dual-use technology, sales to embargoed regimes, and board oversight of defense are not applicable to its business model.
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The company is also not an exporter, making export end-user certificates not applicable.
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There is no evidence of exposure to controversial weapons.
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Planet-Friendly Business
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CleanSpark sources 91% of its energy from non-carbon emitting sources, including nuclear, wind, and solar, according to its latest quarterly financials.
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The company has a goal to achieve net-zero Scope 1 and 2 emissions by 2027.
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CleanSpark monitors climate change legislation and intends to align with TCFD disclosure, having completed an initial gap analysis.
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The company reports no significant pollution or hazardous emissions from its direct operations and has not historically incurred material costs for environmental compliance.
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Respect for Cultures & Communities
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No specific, quantifiable data relevant to the 'Respect for Cultures & Communities' ethical value was found across the provided articles. The articles consist of job postings and general statements about community investment goals or impact, none of which offer concrete facts, numbers, or outcomes for any of the defined KPIs.
Safe & Smart Tech
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CleanSpark's Privacy Notice, effective January 24, 2025, outlines several data protection measures.
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Users have above-average control over their personal data, including the ability to access, modify, rectify, correct, opt-out of marketing communications, and deactivate location services.
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The company utilizes multi-factor authentication as a security measure.
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CleanSpark states it retains personal data to the extent deemed necessary for processing activities, legal compliance, and protection of rights, property, or safety.
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The company also states compliance with various privacy regulations, including the California Consumer Privacy Act (CCPA) and acts for Virginia, Colorado, Connecticut, Utah, Oregon, and Texas residents.
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The Privacy Notice also mentions detecting security incidents, protecting against malicious activity, and prosecuting those responsible, as well as scanning of the network and files.
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Zero Waste & Sustainable Products
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CleanSpark has implemented one waste reduction initiative: large-scale immersion cooling at a data center in Norcross, Georgia.
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This initiative is reported to reduce e-waste and increase mining machine efficiency by up to 85%, though specific metrics for e-waste reduction are not provided.
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