Miner Building 5 energized; Lake Mariner at 245 MW
Company: TeraWulf - Project: Lake Mariner Anthropic AI Factory
The claim, verbatim
TeraWulf energized Miner Building 5 in late Q1 and early Q2 2025, bringing total capacity at Lake Mariner to 245 MW.
Source (primary)
terawulf 8-K exhibit (a_wulfformearningsreleas.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-10-15)Live source ↗
Quote: “In late Q1 and early Q2, we energized Miner Building 5, bringing total capacity at Lake Mariner to 245 MW”
How we checked this
Checked on October 17, 2026. The cited source supports every part of this claim.
TeraWulf's Q1 2025 earnings release (May 9, 2025) quotes CEO Paul Prager saying the company energized Miner Building 5 in late Q1 and early Q2, bringing Lake Mariner's total capacity to 245 MW. The release covers the year 2025, so the timing is established.
Confirmed in the source:
- TeraWulf energized Miner Building 5
- Miner Building 5 was energized in late Q1 and early Q2 2025
- Energizing Miner Building 5 brought total capacity at Lake Mariner to 245 MW
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1083301/000108330125000033/a_wulfformearningsreleas.htm) in full (23,447 characters, retrieved October 15, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms terawulf 8-K exhibit (a_wulfformearningsreleas.htm)
Quote: “In late Q1 and early Q2, we energized Miner Building 5, bringing total capacity at Lake Mariner to 245 MW”