Canaan Mines 90 BTC in May: Bitcoin Holdings Hit Record 1,867 BTC

What You'll Learn

• What Canaan reported about May self-mining and customer-payment bitcoin.
• How the reported BTC and ETH treasury differs from company value.
• Why installed and operating hashrate must be read separately.
• Which mining economics, JV, hosting, and treasury risks remain.

Canaan Mines 90 BTC in May 2026

The Canaan Mines 90 BTC update came from Canaan Inc.'s unaudited May 2026 bitcoin production and mining operation release dated June 11. Management said self-mining delivered 90 BTC during the month and an additional 24 BTC originated from customer payments. These are production and receipt figures, not a statement of profit.

The release covered the month ending May 31, 2026. It said Canaan's cryptocurrency treasury reached 1,867 BTC and 3,952 ETH by month-end. The figures describe assets on the company's balance sheet under the release's definition, including receivables and excluding customer deposits. They should not be converted into a current company valuation without dated market prices, liabilities, and accounting context.

What the May Production Update Reported

Canaan's May update separates self-mining from bitcoin received through customer payments. That distinction matters because mined coins are tied to the company's own mining operations, while customer-payment bitcoin is linked to its business activity with customers. Combining them into one production number would overstate self-mining output.

The company also said joint venture operations generated approximately 45 BTC during May. The release presents JV results separately and says JV metrics were not included in bitcoin production or average all-in power cost calculations. Readers should therefore avoid adding every figure in the release into one single production total.

How to Read Canaan's Hashrate Figures

Canaan reported 10.05 EH/s of month-end installed non-JV hashrate and 4.82 EH/s of JV installed hashrate. It reported 6.47 EH/s of month-end operating non-JV hashrate and 2.83 EH/s of JV operating hashrate. Installed capacity represents machines that are installed, while operating capacity reflects the portion currently operating under the company's definitions.

The difference between installed and operating capacity can arise from power availability, hosting arrangements, maintenance, market conditions, or other operational constraints. It is not evidence by itself that every installed machine is producing bitcoin. Readers following mining infrastructure can compare this distinction with our markets coverage and finance explainers.

How Production Differs From Profit

Mining production measures the number of coins delivered by an operation. Profit also depends on the coin price, power, hosting, repairs, depreciation, staffing, financing, treasury policy, and the share of output owed under a joint venture. A strong production month can therefore coexist with weak or negative earnings.

The May release is an operational snapshot, not a full income statement. Readers need Canaan's filings and financial disclosures to assess margins, cash flow, liabilities, and capital needs.

Why the Treasury Record Matters

A record treasury can improve a miner's exposure to bitcoin price appreciation, but it also increases exposure to crypto price declines and balance-sheet volatility. Canaan's reported 1,867 BTC and 3,952 ETH are asset holdings, not cash income. Their value changes with market prices, while the company still has operating costs, capital requirements, debt, dilution, and other financial obligations.

The prior article assigned a rough dollar value using assumed BTC and ETH prices. That estimate is removed because a valuation depends on the exact measurement time, accounting treatment, liabilities, and whether the assets are unrestricted. Our Canaan treasury coverage provides related context without treating holdings as a standalone equity valuation.

What the Efficiency Data Shows

The official release reported 23.7 J/TH for non-JV global average miner efficiency and 26.8 J/TH for JV efficiency. It also reported 17.9 J/TH for the North American non-JV self-mining fleet. In this measure, lower joules per terahash generally indicates less energy used for a given amount of computing work, but the metric does not capture every operating cost.

Canaan said global average mining efficiency improved 13.5% year over year and the North American self-mining fleet improved about 11% year over year. These comparisons are company-reported and should be read alongside the stated measurement scope, fleet mix, energy prices, uptime, and bitcoin difficulty.

Power Cost and Revenue Split

Canaan's release reported an average all-in power cost of USD 0.043 per kilowatt-hour and a 60.3% average revenue split excluding JV ownership. These figures use the company's definitions. The power-cost figure assumes all mining machines consisting of installed computing power were energized, while the revenue split reflects applicable joint mining arrangements under the release's methodology.

A power-cost figure is not the same as total mining cost. Revenue can also be affected by bitcoin price, network difficulty, transaction fees, hosting, repairs, personnel, financing, depreciation, and curtailment. A revenue split is not a profit margin and should not be used alone to predict earnings.

Why JV and Hosting Changes Matter

Canaan said the planned expiration of a hosting agreement during May reduced its mining footprint. The release defines JV as Canaan's 49% stake in the Alborz, Bear, and Chief Mountain facilities in West Texas. It also said wildfire-related disruption affected the Alborz site and that restoration efforts were progressing.

Hosting and JV arrangements can change the amount of installed capacity that is actually operating and the share of output or revenue that Canaan receives. They can also shift reported metrics from one month to the next. Readers should therefore compare the same definitions across monthly releases instead of treating a single hashrate figure as a permanent run rate.

What Hash-to-Heat Adds to the Story

Canaan's release described an expansion of hash-to-heat deployment in the Nordic region. Management said an approximately 8 MW district-heating project followed an initial approximately 2 MW deployment and used hydro-cooled mining units to deliver hot water at approximately 80 degrees Celsius. These are company-described project figures and are not treated as proof of company-wide revenue.

Hash-to-heat may allow mining infrastructure to support another energy use, but the economics depend on local power, heat demand, equipment performance, regulation, and contract terms. The initiative is best viewed as a strategic direction in the release, not as a guaranteed offset to mining volatility.

What the Treasury Does Not Tell Investors

The treasury balance does not show whether Canaan purchased, mined, received, pledged, or sold assets during every period. It also does not show the cost basis, tax effects, restrictions, or obligations attached to the holdings. The release gives a month-end snapshot, not a complete investment case.

Investors would need the company's filings, financial statements, cash-flow information, liabilities, share count, and management outlook to assess the broader business. Mining production can rise while margins fall if bitcoin prices decline or power and equipment costs increase. Our digital-asset finance coverage discusses why asset exposure and operating performance should be separated.

How to Track Future Canaan Updates

Useful follow-up metrics include self-mined bitcoin, customer-payment bitcoin, month-end BTC and ETH balances, installed and operating hashrate, efficiency, power cost, revenue split, and the status of hosting or JV facilities. Each should be compared with the company's definitions for the relevant month.

Readers should also watch the company's filings and investor-relations releases for revenue, gross margin, cash flow, debt, capital expenditure, and any changes to treasury policy. Production data is valuable for monitoring operations, but it cannot replace financial statements.

Bottom Line on Canaan Mines 90 BTC

Canaan reported 90 BTC from self-operated mining in May 2026, another 24 BTC from customer payments, and a month-end treasury of 1,867 BTC and 3,952 ETH. It also reported separate installed and operating hashrate, efficiency, power-cost, and JV figures in an unaudited operational update.

The update supports a careful reading of production and infrastructure, not a guaranteed view of profitability or stock performance. The key questions are how much of the capacity operates, what the company earns after all costs, how the treasury changes, and whether hosting, JV, power, and bitcoin-market conditions improve or weaken.