CleanSpark is the older company (1987 vs 2023); CleanSpark is the larger of the two.
1 signal in the last 90 days
Side-by-Side Comparison
| Metric | CleanSpark | Openvolt |
|---|---|---|
| Founded | ||
| Founded | 1987 older | 2023 |
| Headquarters | ||
| Headquarters | Henderson, United States | United Kingdom |
| Employees | ||
| Employees | 196 larger | 3 |
| Industry | ||
| Industry | Blockchain | API, Energy |
| Funding Stage | ||
| Funding Stage | IPO | Seed |
| Total Funding | ||
| Total Funding | $2.21B | $1.50M |
| Funding Rounds | ||
| Funding Rounds | 9 | 1 |
| Services | ||
| Services | Design and operation of advanced data centers, Development of energy assets, System optimization for performance and scalability | API Integration, Data Retrieval, Energy Application Support |
| Target Customers | ||
| Target Customers | Technology companies, Data center operators, Artificial Intelligence developers, High-performance computing firms, Investors in digital infrastructure | Property Owners, Energy Service Providers, Solar Installers, Electric Vehicle Owners, Virtual Power Plant Operators |
| Taxonomy | ||
| Taxonomy | Bitcoin Mining, Data Center Development, Energy Infrastructure, Sustainable Infrastructure, Low-Carbon Energy, Capital Stewardship, Operational Excellence, Financial Inclusion, Energy Optimization, Compute Resource Production, Trust And Transparency, Wind Energy, Solar Energy, Hydro Energy | Energy Data, Smart Meter Data, API Development, Energy Innovation, Data Integration, Technical Hurdles, Energy Applications, Net Zero Carbon, Smart Grid, Energy Resource Efficiency, Developer Tools, Data Access, Utility Data Management, Energy Entrepreneurship |
| Website | ||
| Website | cleanspark.com | openvolt.com |
About CleanSpark
CleanSpark (Nasdaq: CLSK) is positioned as a leading player in the rapidly evolving blockchain industry, primarily functioning as a data center developer. Established in 1987, the company has achieved notable success through its ownership of a diversified portfolio comprising power, land, and data c...
About Openvolt
Openvolt, founded in 2023, aimed to revolutionize energy data by developing an API framework across Europe. Before ceasing operations in April 2025, the company focused on facilitating access to smart meter data, eliminating regulatory, financial, and technical barriers for energy innovators. This a...
We will tell you when either one moves
BounceWatch watches CleanSpark and Openvolt for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at CleanSpark and Openvolt — by email.
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Compiled from the BounceWatch company index. We last looked at CleanSpark on 3 Apr 2026, and Openvolt on 24 Mar 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.