September 2026 produced a split result among three public bitcoin miners: CleanSpark and BitFuFu mined less than they did in August, while Canaan’s output was unchanged. The declines reflected different issues—CleanSpark is shifting attention toward data-center expansion, and BitFuFu’s lower cloud-mining contribution outweighed stronger self-mining. Canaan ended a three-month run of sequential production declines.
September production at a glance
The figures reported on October 15, 2026, show CleanSpark remaining the largest producer of the three by monthly bitcoin output. BitFuFu’s headline decline was smaller, but its production mix changed substantially. Canaan was the only company to avoid a month-over-month decrease.
As an Amazon Associate I earn from qualifying purchases.
| Company | September 2026 | August 2026 | Month-over-month change | Month-end holdings |
|---|---|---|---|---|
| CleanSpark | 529 BTC | 593 BTC | Down 64 BTC, nearly 11% | 13,530 BTC, down from 13,703 |
| BitFuFu | 167 BTC | 174 BTC | Down 7 BTC, about 4% | 1,388 BTC, up from 1,373 |
| Canaan | 44 BTC | 44 BTC | Flat | 1,875 BTC, up from 1,868 |
The companies are not directly comparable on production alone. BitFuFu includes self-mining and cloud-mining output, while Canaan’s release also provides installed hashrate and an average all-in power-cost figure. CleanSpark’s update included bitcoin sales and a change from monthly to quarterly operational reporting.
Recommended Free Tools
CleanSpark: lower output and a move to quarterly updates
Production and treasury
CleanSpark mined 529 BTC in September, compared with 593 BTC in August—a decline of 64 BTC, or nearly 11%. Its bitcoin holdings fell to 13,530 BTC at month-end from 13,703 BTC in August.
#1 Best Overall
- ⚡ Efficient Home ASIC Miner – Up to 1.1 TH/s hashrate with just 18W power consumption (15 J/TH), perfect for home or small office use.
- 🇪🇺 Made in Europe – Designed and manufactured in Europe with premium components for reliability and long-term performance.
- 🔧 BM1370 ASIC Chip (Antminer S21 Pro) – Same chip used in the Antminer S21 Pro for professional-grade mining power in a compact, open-source form.
- 📡 Wi-Fi & USB-C Connectivity – No monitor or keyboard required – configure and monitor easily via web interface
- 🎁 Complete Kit Included – Delivered fully assembled with EU/UK/US 5V 6A power supply, premium fan, 3D-printed stand, and OLED display.
The company disclosed two types of sales during the month. It sold 2 BTC on spot markets and delivered 700 BTC through call-option exercises at an average sale price of $72,928 per bitcoin. Those transactions help explain why month-end holdings declined even as the company continued mining.
Why the reporting schedule is changing
CleanSpark said it will stop issuing monthly mining updates and report operational data quarterly instead. The change coincides with a greater emphasis on data-center expansion, so monthly bitcoin production will no longer be available from the company on the same schedule.
The Block reported that CleanSpark is funding construction of its Sandersville, Georgia, data-center campus with a $2.276 billion senior secured note offering. The company expects the campus to generate roughly $6.6 billion in revenue. Those are company projections, not realized revenue or an independently verified return.
The Tool Desk
Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Rank #2
- Genuine New Canaan Avalon Q Miner with full manufacturer warranty. Trust a reliable seller – no used or refurbished units
- Maximize profits with 90TH/s hash rate at just 18.6J/TH – one of the most energy-efficient ASIC miners for home or business mining
- Ready to mine right out of the box! Includes a 110V-240V power cord for seamless setup in any standard outlet
- Designed for home-friendly mining with advanced noise reduction – mine Bitcoin without disturbing your household
- Note: All products we offer are brand new and in pristine condition. Returns are accepted. If the return is not due to a verified product failure, a restocking fee will be deducted from your refund to cover handling and logistics costs.
BitFuFu: the production mix explains the decline
Self-mining improved while cloud mining contracted
BitFuFu produced 167 BTC in September, down from 174 BTC in August, a decrease of about 4%. Looking only at the total obscures the underlying change:
| BitFuFu activity | September | August | Change |
|---|---|---|---|
| Self-mining | 98 BTC | 88 BTC | Up 10 BTC |
| Cloud mining | 69 BTC | 86 BTC | Down 17 BTC |
| Total | 167 BTC | 174 BTC | Down 7 BTC |
Self-mining therefore increased, but the 17-BTC reduction in cloud-mining output was larger than that gain. BitFuFu’s holdings nevertheless rose to 1,388 BTC from 1,373 BTC.
Execution risk at the proposed Ethiopia site
BitFuFu also disclosed obstacles to its planned acquisition of an 80-megawatt mining site in Ethiopia. The dispute involves the site operator and local electricity suppliers. The company said it was considering canceling the transaction and seeking recovery of its investment.
Rank #3
- 【Powerful & Efficient Bitcoin Lottery Miner】Achieve hash rates up to 1000KH/s with this Crypto Miner, designed for smooth and stable Solo Miner operations. Whether you're new to cryptocurrency or an experienced enthusiast, it delivers reliable performance for your mining setup.
- 【Ultra-Low Power & Silent Operation】With only 1.5W power draw and a fanless design, this BTC Solo Miner runs 24/7 without raising your energy bill or creating noise. Perfect for desktop, office, or home use.
- 【Real-Time Monitoring on 2.8" Smart Display 】Stay fully informed with a clear visual interface that shows live mining status, hash rate, power usage, and WiFi connection. No external devices needed to track your Bitcoin Lottery Miner progress.
- 【Standalone WiFi & Bluetooth-Enabled Setup】Powered by ESP32, this Crypto Miner works independently over WiFi—no computer required. Just plug in, connect, and start your Solo Miner journey in minutes
- 【Versatile Mining Modes & Reliable Performance 】Supports BTC Solo Miner via 2.4G WiFi or Ethernet.Built on the ESP32-WROOM-32, this crypto miner delivers stable connectivity, high reliability, and consistent hash rates up to 1000KH/s, This module also supports multiple mining modes. ideal for experimental mining, educational projects, or crypto hobbyists.
According to The Block’s October 15 report, BitFuFu had already invested $4.1 million and deployed approximately 13,700 Bitmain Antminer S19 rigs at the project. A cancellation could therefore affect both capital recovery and the timing of the planned capacity increase. The disclosure describes a potential outcome, not a completed cancellation or confirmed recovery.
Canaan: flat bitcoin production with energy-reuse projects
Output, holdings and operating metrics
Canaan mined 44 BTC in September, exactly matching August. The result ended a three-month sequence of month-over-month declines. Its treasury increased to 1,875 BTC at the end of September from 1,868 BTC one month earlier.
Canaan’s official September release listed 10.00 EH/s of non-joint-venture installed hashrate and 4.87 EH/s of joint-venture installed hashrate. It reported an average all-in power cost of US$0.043 per kilowatt-hour. These are reported operating metrics for the company’s disclosed fleet, not a standardized cost comparison across all three miners.
Rank #4
- Canaan has launched the Avalon Nano 3S ASIC miner designed for residential spaces, featuring the SHA-256 algorithm for direct Bitcoin mining.
- The Nano 3S boasts an eye-catching design with an information display screen and simple setup, making it suitable for beginners or as a gift.
- Despite its small size and quiet operation, its hash rate of 6Th/s and power consumption of 140W result in a relatively low energy efficiency.
Heat recovery in the Nordic project
Canaan said its 8-megawatt Nordic district-heating project was fully operational and was supplying recovered computing heat to approximately 2,800 homes. The project illustrates the company’s strategy of treating mining heat as a usable energy product rather than simply a waste stream.
A separate Canadian greenhouse heat-recovery project was moving toward deployment but still awaited site inspections. It should therefore be treated as an in-progress project, not operating capacity.
Crashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minutePC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.“Bitcoin markets continued to demonstrate resilience in September, navigating macroeconomic and policy uncertainty while institutional participation remained steady.”
Best Value
Bitaxe Gamma 602 Bitcoin Miner, Open Source Solo BTC Mining Machine, 1.8TH/s SHA-256, BM1370 ASIC Chip, 2.4G WiFi, Home Crypto Miner, 35W Low Noice Bitcoin Miner
- High Efficiency Mining：Bitaxe Gamma 602 equipped with BM1370 chip delivers 1.8TH/s hash rate with only 35W power consumption, energy-saving and low heat. Perfect for beginners, blockchain enthusiasts, or anyone looking to experience solo mining without heavy electricity bills.
- Ultra Quiet & Desktop Friendly：Compact design, low noise operation, perfect for home and office use without disturbing noise.
- WiFi & Web Control：Built-in WiFi management, easy configuration via web browser, real-time hash rate, temperature and status monitoring.
- Open Source & Fully Customizable：Community-driven open source firmware, supports self-tuning and updates, ideal for tech enthusiasts and DIY miners.
- Complete Assembly Ready to Use：Pre-assembled miner with heat dissipation system, just plug in, connect to network and start mining.
— Nangeng Zhang, chairman and CEO of Canaan
Which miner performed best in September?
The answer depends on the measure. CleanSpark produced the most bitcoin by a wide margin at 529 BTC, but it also recorded the steepest percentage decline and reduced its holdings after sales and option exercises. BitFuFu’s total output fell less sharply than CleanSpark’s, and its self-mining business improved, but cloud-mining output dropped and its Ethiopia expansion faces a significant execution dispute.
Canaan produced far less bitcoin in absolute terms at 44 BTC, yet it was the most stable month over month: output was flat, treasury holdings increased, and the company reported specific power-cost and hashrate figures. Its operating Nordic heat-reuse project also distinguishes its infrastructure strategy.
What to watch next
- CleanSpark: quarterly disclosures will replace the monthly production updates, making it harder to track short-term output while the Sandersville data-center buildout advances.
- BitFuFu: investors will need an update on whether the Ethiopia acquisition is canceled, whether the $4.1 million investment is recovered, and how the company replaces the disputed 80 MW of planned capacity.
- Canaan: future reports can show whether the Nordic heat-reuse operation remains fully utilized and whether the Canadian greenhouse project clears its site inspections.
Bottom line
September’s results were not a uniform industry slowdown. CleanSpark’s production fell as it sold bitcoin and redirected corporate attention toward large-scale data centers. BitFuFu’s decline came from a weaker cloud-mining contribution despite higher self-mining. Canaan held production steady and paired that stability with rising treasury holdings, disclosed power economics and an operating heat-recovery project.
Free tools Windows power users keep installed
One-click scans. No signup required.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
