Core Scientific Books $215M AI Colocation Revenue as Mining Fades

Core Scientific reported $215.4 million in third-quarter colocation revenue, up nearly 60% from the prior quarter's $136.7 million and up from just $15 million a year earlier. The figure, published in the company's November 5 earnings release, marks the clearest evidence yet that an operator once defined by Bitcoin mining now earns most of its money from contracted AI infrastructure.

Total quarterly revenue reached $232.9 million. The gap between that number and the colocation line tells the story. Mining, once the whole business, has shrunk into a secondary revenue stream.

What is Core Scientific actually selling now?

The company said it was billing for 485 megawatts of capacity as of September 30. That works out to more than $700 million in average annualised colocation GAAP revenue. Megawatts, not hashrate, are becoming the central metric here.

The distinction matters. Mining revenue swings on four volatile inputs at once: Bitcoin's price, network difficulty, block rewards and electricity costs. Colocation works differently. It rests on long-term contracts, fixed infrastructure obligations and heavy construction spending. Once a facility is delivered, the income stream should be easier to forecast. The catch is the capital commitment, which can be enormous.

Core Scientific says it is approaching full delivery under its first colocation agreement and is building capacity under a second agreement spread across five campuses. Those are real milestones. But remaining construction work and billing ramps will still determine the final financial outcome.

How solid is the profit picture?

The headline number looks spectacular: roughly $1.18 billion in quarterly net income. Read it carefully. The company said the result benefited from a non-cash change in the fair value of warrants. That makes the top-line profit a poor stand-in for the cash the data centres actually generate.

Two other figures do the honest work. Adjusted EBITDA came in at $133.6 million, more than three times the previous quarter's $41.1 million. Capital expenditure reached $985.1 million in the same period. A fast-growing operating business can still burn substantial cash while it builds the facilities needed to earn future contracted revenue — and Core Scientific is spending almost five times its adjusted EBITDA on construction.

Comparing revenue without spending, financing and delivery schedules would make this transformation look easier than it is.

What does this change for investors?

It breaks the habit of treating every former miner as an identical bet on Bitcoin's price. Core Scientific now runs a material infrastructure business whose fortunes depend more on demand for AI compute and on construction execution than on daily mining profitability. Its history remains part of the story. The metrics underneath it are changing.

The practical checklist for next quarter is short and concrete:

• Megawatts actually billing, not pipeline promises
• Customer diversification across contracts
• Operating margins on delivered capacity
• Remaining capital needs and financing terms
• Any modifications to lease terms

A nominal pipeline tells you less than a single site whose systems a paying tenant has accepted. Delivery is the proof.

The next test arrives with fourth-quarter results, when investors can measure whether the 485 MW billing base keeps climbing and whether construction spending converts into contracted revenue on schedule.