2025 bitcoin mining output estimate
Company: TeraWulf
What the later record shows
Partly delivered · happened December 31, 2025
Actual 2025 bitcoin mined was 1,496, below the 1,901 BTC estimate. The 2025 cost to mine one bitcoin was $53,681.
“Statistics LMD Bitcoin Mining Facilities and net share of the Nautilus Cryptomine Facility Total bitcoin mined (3) 1,496 2,728”
2026-02-26 · TeraWulf 10-K filed 2026-02-27 View cached copy (2026-08-31)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
2025 FYE estimate of 1,901 BTC mined (1,529 BTC in Q2–Q4 2025) at 18 J/TH fleet efficiency, with BTC segment total cost of ~$52,065/BTC.
Source (primary)
Investor Presentation (IR page (investors.terawulf.com), ir_presentation)
View cached copy (2026-10-06)Live source ↗
Quote: “Total Bitcoin Mined ... 1,529 ... 1,901”
How we checked this
Checked on October 13, 2026. The cited source supports every part of this claim.
The cash cost to mine guidance table shows 1,529 BTC for Q2–Q4 2025E and 1,901 BTC for 2025 FYE at 18 J/TH, with a FYE BTC segment total cost of $52,065/BTC.
Confirmed in the source:
- 2025 FYE estimate of 1,901 BTC mined
- 1,529 BTC estimated mined in Q2–Q4 2025
- Miner fleet efficiency assumption of 18 J/TH
- 2025 FYE BTC segment total cost of $52,065 per BTC
What we did: Read our cached copy of IR page (investors.terawulf.com) (https://d1io3yog0oux5.cloudfront.net/_26c9692236622f11a71632d61560402c/terawulf/db/2396/23301/pdf/WULF_Q1_2025_Investor_Pres_vF.pdf) in full (23,307 characters, retrieved October 6, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Investor Presentation
Quote: “Total Bitcoin Mined ... 1,529 ... 1,901”