Montana index · last changed 12 September 2026
Montana research coverage.
See the available records, draft source-family audit and remaining research gaps. A state page is not a complete inventory of its data centers.
Research coverage
Research draft available; independent coverage review pending
Research draft available. Candidate findings and statewide coverage await independent review.
Draft source attempts: 2026-09-11 through 2026-09-11. These are draft audit dates, not a new independent check.
0 reviewed project/campus records; 0 reviewed facility/building records; 0 uncounted records. Inventories are non-additive.
Draft source-family roster and gaps
- economic development incentives — searched_partial
Source references: MT-S0001, MT-S0002
- Montana Code Annotated property-class provisions for data centers were not retrieved.
- No state incentive award or certification list was located.
- The session's web-search budget was exhausted before this state, so discovery relied on direct fetches of known official URLs.
- utility commission large load — searched_partial
Source references: MT-S0003, MT-S0004
- The Montana PSC docket system was completely unreachable this session (TLS chain failure), so no large-load tariff, special contract or docket number was verified.
- NorthWestern's Rates & Tariffs and SEC filings pages were not opened.
- No interconnection queue record was retrieved for the 1,100 MW Big Sky request.
- environmental construction permits — searched_partial
Source references: MT-S0005, MT-S0006, MT-S0007
- DEQ's issued-permit database was not located; one programs path returned 403 and another 404.
- No air, water or stormwater permit was found for the Big Sky, Sabey or TAC sites.
- Montana DEQ permit numbers for other bitcoin mining sites were not swept.
- municipal planning assessor gis — searched_partial
Source references: MT-S0008, MT-S0009, MT-S0010, MT-S0011, MT-S0012
- Butte-Silver Bow (two attempts), City of Great Falls (three attempts) and Billings City-County Planning (one attempt) all timed out, so no municipal record was read for any Montana candidate.
- No assessor or GIS parcel record was retrieved in Montana.
- Yellowstone County zoning commission minutes for the Broadview-area site were not obtained.
- tax abatement development agreements — searched_partial
Source references:
- No executed development, TEDD or tax-abatement agreement was retrieved.
- The Great Falls Development Alliance materials behind the TAC land-lease option were not obtained.
- Butte-Silver Bow records for the Basin Creek TEDD were unreachable.
- operator disclosures — searched
Source references: MT-S0013, MT-S0014, MT-S0015
- Amazon Web Services, Microsoft, Oracle and Apple location pages were not checked for Montana.
- Sabey Data Centers' and TAC Data Centers' own sites were not opened.
- Beowulf Electricity and Data's site was not opened.
- open datasets directories — searched
Source references: MT-S0016, MT-S0017
- Data Center Map returned HTTP 429 to both clients, so no directory cross-check of Montana colocation facilities was possible.
- Baxtel and similar listings were not used.
- historical closures withdrawals names — searched_partial
Source references: MT-S0018
- No city, county or state record confirming the TAC withdrawal was obtainable.
- Whether the Hardin decommissioning is permanent is unresolved; the operator says it intends to expand.
- No archived-page sweep was performed for renamed Montana facilities.
- news and other discovery — searched_partial
Source references: MT-S0019, MT-S0020
- Data Center Dynamics returns HTTP 403 to automated retrieval, so the 1 GW campus report was not read.
- The MEIC hub page's per-project sub-pages were not enumerable from the saved HTML.
- Legislative Energy and Technology Interim Committee minutes, referenced in the news, were not retrieved.
No reviewed records published. This does not mean there are no data centers in this state.