Lake Mariner CB2B building energization
Company: TeraWulf - Project: Lake Mariner Anthropic AI Factory
What the later record shows
Delivered on time · happened March 31, 2026
On February 25, 2026, 39 MW was online, so CB-2B was not yet delivered. By March 31, 2026, CB-2B was listed as delivered and 60 MW was energized, consistent with the March 2026 target. The exact day is not stated.
“with 39 critical IT MW HPC capacity online, more than 500 MW of near-term contracted campus capacity”
2026-02-25 · terawulf 8-K exhibit (a_wulfearningsrelease2026-.htm) View cached copy (2026-09-13)Live source ↗
“WULF Den (2 MW) ➢ CB-1 (16 MW) ➢ CB-2A (21 MW) ➢ CB-2B (21 MW) DELIVERED TO DATE(1)”
2026-05-07 · terawulf 8-K exhibit (terawulfq12026investorpr.htm) View cached copy (2026-09-08)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
CB2B building phase expected operational in March 2026
Source (primary)
terawulf 8-K exhibit (a_wulfearningsrelease2026-.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-09-13)Live source ↗
Quote: “CB2B expected in March 2026”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The construction status table lists CB2 with CB2A operational and CB2B expected in March 2026.
Confirmed in the source:
- Lake Mariner's CB2B building phase was expected to come online in March 2026
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1083301/000108330126000026/a_wulfearningsrelease2026-.htm) in full (26,590 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms terawulf 8-K exhibit (a_wulfearningsrelease2026-.htm)
Quote: “CB2B expected in March 2026”
confirms terawulf 8-K exhibit (terawulfq12026investorpr.htm)
Quote: “WULF Den (2 MW) ➢ CB-1 (16 MW) ➢ CB-2A (21 MW) ➢ CB-2B (21 MW) DELIVERED TO DATE(1)”