TAC Data Centers Great Falls Campus
600 MW AI data center in Great Falls, MT, United States: cancelled.
- Capacity: 600 MW
- Location: Great Falls, MT, United States
- Developer: TAC Data Centers
- Status: cancelled
- Estimated cost: $1.5B
Status: Cancelled
The Great Falls Development Alliance announced the project in June 2025 as a $1 billion to $1.5 billion investment. Ardent asked NorthWestern Energy and other suppliers for 500 to 600 MW of critical load. In November 2025 the company released its option on the land after power could not be delivered on its timeline (The Electric, November 18, 2025; KTVH). Source: The Electric (Great Falls), 2025-11-18.
Paused and cancelled projects stay listed in the directory but are not counted in state totals, capacity totals or rankings.
TAC Data Centers Great Falls Campus is a 600 MW AI data center project located in Great Falls, MT, United States, currently cancelled. It was being developed by TAC Data Centers. The estimated build cost is $1.5B. This project is one of thousands of data-center facilities tracked by Data Center Index across MT, United States, covering operational, under-construction, announced, and permitted sites.
Project description
Checked 2026-11-05 (fetched): The Electric reports the 2 million sq ft hyperscale campus proposed by Atlanta-based Ardent (TAC Data Centers) on a 569-acre site next to the AgriTech Park is off; the company let go of its land option. It had planned $1 billion to $1.5 billion of investment and requested 500 to 600 MW of critical load.
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Frequently asked questions
- What is TAC Data Centers Great Falls Campus?
- TAC Data Centers Great Falls Campus is an AI data center project in Great Falls, Montana tracked by Data Center Index. Its status is cancelled. A cancelled campus stays listed with its source, but is never counted in state totals, capacity totals or rankings.
- Where is TAC Data Centers Great Falls Campus?
- TAC Data Centers Great Falls Campus is in Great Falls, Montana. Every tracked Montana campus, with counts and capacity, is at https://datacenterindex.ai/markets/montana.
- How big is TAC Data Centers Great Falls Campus?
- Data Center Index tracks TAC Data Centers Great Falls Campus at 600 MW, on an estimated $1.5B build. The developer or the press states that capacity, in a source dated November 18, 2025.
- Who is building TAC Data Centers Great Falls Campus?
- TAC Data Centers was developing TAC Data Centers Great Falls Campus.
Sources
- Proposed data center project off (theelectricgf.com · press · 2025-11-18)
- KTVH (ktvh.com · press · 2025-11-18)