Lake Mariner Building 2 completion
Company: TeraWulf - Project: Lake Mariner Anthropic AI Factory
What the later record shows
Delivered on time · happened June 30, 2023
The Q2 2023 10-Q says Lake Mariner construction was substantially complete as of June 30, 2023. The Q3 10-Q/A confirms this specifically for buildings one and two, but the June 30 statement does not name Building 2 explicitly.
“the construction activities at the Lake Mariner Facility and the Nautilus Cryptomine Facility are substantially complete as of June 30, 2023”
2023-08-13 · TeraWulf 10-Q filed 2023-08-14 View cached copy (2026-09-13)Live source ↗
“the construction activities at the Lake Mariner Facility for buildings one and two and the Nautilus Cryptomine Facility are substantially complete as of September 30, 2023”
2023-11-21 · TeraWulf 10-Q/A filed 2023-11-22 View cached copy (2026-09-13)Live source ↗
Checked October 9, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Building 2 is targeted for completion in Q2 2023 with approximately 50 MW of mining capacity
Source (primary)
TeraWulf 10-K filed 2023-03-31 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “Construction is largely complete at the Company's second dedicated mining building ("Building 2"), which is also scheduled to house approximately 50MW of mining capacity and is targeted for completion in the second quarter of 2023”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The 10-K states that Building 2 will add about 50 MW and is targeted for the second quarter of 2023.
Confirmed in the source:
- Building 2 at Lake Mariner is targeted for completion in the second quarter of 2023
- Building 2 is scheduled to house approximately 50 MW of mining capacity
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1083301/000155837023005301/wulf-20221231x10k.htm) in full (569,235 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms TeraWulf 10-K filed 2023-03-31
Quote: “Construction is largely complete at the Company's second dedicated mining building ("Building 2"), which is also scheduled to house approximately 50MW of mining capacity and is targeted for completion in the second quarter of 2023”
confirms TeraWulf 10-Q/A filed 2023-11-22
Quote: “the construction activities at the Lake Mariner Facility for buildings one and two and the Nautilus Cryptomine Facility are substantially complete as of September 30, 2023”
confirms TeraWulf 10-Q filed 2023-08-14
Quote: “the construction activities at the Lake Mariner Facility and the Nautilus Cryptomine Facility are substantially complete as of June 30, 2023”