Proposed
Big Horn Data Hub expansion, Hardin
Beowulf runs a computer site next to the coal power plant in Hardin. It was used for bitcoin mining from 2020 but is not running now. The company told lawmakers in 2025 that it plans to grow the site.
Where things stand: Old crypto mining site next to the Hardin coal plant is not running. Owner says it plans to expand.
🕒 Latest update (Nov 17, 2025): Beowulf told lawmakers the site is offline while some equipment is removed, and that it plans to expand.
What we know
- 📍 WhereIndustrial Park Road north of Hardin, right next to the north side of the Hardin Generating Station coal plant, Unincorporated Big Horn County, Big Horn County
- 🏢 CompanyBeowulf Electricity and Data
- 🔌 Where the power comes fromHardin Generating Station, a coal plant next door.
❓ Still unanswered
Nobody has answered these in public yet. Can you help find out?
- How big will the Hardin expansion be, and when? 🙋 I'll find out
- Is the site inside Hardin city limits or in the county? 🙋 I'll find out
🔎 What we checked
- Oct 8, 2026: We checked aerial photos and the state parcel map: rows of computer containers stand just north of the Hardin coal plant, on land owned by the plant company (643 Industrial Park Rd).
What happened so far
- Nov 17, 2025Beowulf told lawmakers the site is offline while some equipment is removed, and that it plans to expand.
🛰️ See it from above
Drag the slider to compare the land before and now.
20182025
Photos: Sentinel-2 cloudless by EOX IT Services GmbH (contains modified Copernicus Sentinel data), CC BY-NC-SA 4.0.
Where this comes from
- Data center pulls out of Great Falls, group says, others charge ahead · Daily Montanan · Nov 17, 2025
- Parcel 22093412203010000, 643 Industrial Park Rd (Hardin Generating Station land) · Montana Cadastral Framework (Montana State Library / Dept. of Revenue) · Oct 8, 2026
- Marathon Patent Group announces joint venture with Beowulf Energy (Big Horn Data Hub, 20 acres next to Hardin Generating Station) · Marathon Patent Group (MARA) · Oct 8, 2026
- USGS aerial imagery of the plant and container rows · U.S. Geological Survey · Oct 8, 2026
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