Anthropic lease for 401 MW capacity
Company: TeraWulf - Project: Justified Data
The claim, verbatim
TeraWulf will deliver approximately 401 MW of critical IT capacity to Anthropic beginning in late 2027, with the full contracted amount expected by early 2028
Source (primary)
TeraWulf Advances $4B Data Center at Former Kentucky Smelter - Engineering News-Record (-, news_article)
View cached copy (2026-09-01)Live source ↗
Quote: “Anthropic signed a 20-year lease with TeraWulf July 6 for about 401 MW of critical IT capacity at the campus. Langlais said TeraWulf expects to begin delivering the capacity in late 2027, with the full contracted amount expected in early 2028.”
How we checked this
Checked on September 18, 2026. The cited source supports part of this claim, but not all of it.
The article gives the late-2027 start and early-2028 full delivery as TeraWulf's expectation, relayed by a spokesperson. The claim states the schedule as a certainty.
Confirmed in the source:
- Anthropic signed a 20-year lease with TeraWulf for about 401 MW of critical IT capacity at the campus
- A TeraWulf spokesperson said the company expects to begin delivering the capacity in late 2027
- A TeraWulf spokesperson said the full contracted amount is expected in early 2028
We could not confirm this from the cited source:
- That TeraWulf will deliver the capacity on this schedule, as opposed to expecting to
That does not mean it is false — only that this source does not establish it, as of the date above. If we find a source that settles it, we will re-check and update this page.
What we did: Read our cached copy of the publisher (https://www.enr.com/articles/63556-terawulf-advances-4b-data-center-at-former-kentucky-smelter) in full (11,913 characters, retrieved September 1, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms TeraWulf Advances $4B Data Center at Former Kentucky Smelter - Engineering News-Record
Quote: “Anthropic signed a 20-year lease with TeraWulf July 6 for about 401 MW of critical IT capacity at the campus. Langlais said TeraWulf expects to begin delivering the capacity in late 2027, with the full contracted amount expected in early 2028.”