It provides concrete project-scale and regulatory context through the stalled Bonner proposal and its disputed environmental and infrastructure impacts.
It materially updates the topic by showing how Montana’s Right to Compute Act is constraining Yellowstone County’s ability to use precautionary zoning.
The forces this coverage keeps returning to, and which way each has moved.
01
Local moratoria are buying time for new rules
Missoula County has paused new and expanded data centers for up to one year while it studies power, water, health, environmental, and community impacts. Officials regard rules developed for cryptocurrency mining as insufficient for modern facilities, making regulatory revision the immediate focus.
Stable
Drawn from 5 articles
02
Community oversight is colliding with state and court limits
Residents and advocacy groups continue pursuing ballot measures, voter-approval requirements, and interim zoning to control data-center siting. Montana’s Right to Compute Act, court rulings, evidentiary requirements, and litigation risk constrain counties’ ability to impose precautionary local restrictions.
Stable
Drawn from 5 articles
03
Power and water requirements constrain project viability
Large proposed facilities are being assessed against substantial and sometimes disputed electricity and water demands, along with cooling, wastewater, heat, and emissions concerns. Infrastructure limits, project withdrawals, and public opposition have stalled or complicated development even as proposed expansion potential remains substantial.
Stable
Drawn from 5 articles
How It Developed
117 Day Timeline
Articles published over time. Hover any bar for the period and its article count.
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Sep 5
The Story So Far
Clarification
State law constrains Yellowstone County’s ability to impose interim data-center zoning
The Yellowstone County dispute now has a clearer legal constraint: Montana’s Right to Compute Act may limit the county’s authority to adopt precautionary zoning for the proposed Quantica facility, complicating efforts to impose safeguards beyond Missoula’s moratorium.
Previously
Missoula County, Montana, approved a one-year moratorium on new or expanded data centers outside Missoula city limits while it studies project impacts and updates regulations. The decision followed controversy over a proposed Bonner facility, including concerns about water use, heat, noise, emissions, wastewater, and gaps in rules originally designed for cryptocurrency mines. Similar opposition and possible pauses are emerging in Yellowstone County, while Missouri coverage focuses on tax treatment rather than permitting.
History
09/08/2026
The Yellowstone County dispute has shifted from a resident-led ballot moratorium effort to a proposed temporary-zoning strategy constrained by Montana’s Right to Compute Act and possible litigation. The Bonner proposal is also better defined through newly reported power-capacity figures, highlighting its potential scale.
08/24/2026
Missoula’s pause has become a formally adopted regulatory process with defined geographic coverage and a required impact study within 30 days. The update also quantifies Yellowstone petition support and distinguishes Missouri’s tax-incentive debate from Montana permitting disputes.
Yellowstone County seeks a district court ruling on a voter-approval initiative for future data center construction after Missoula County adopted a one-year zoning moratorium.
Missoula County commissioners approved a one-year moratorium on new or expanding data centers after concerns about environmental and public health impacts, with regulation updates and a 30-day study requirement.
Missoula County commissioners approved a temporary moratorium on new or expanded data centers, directing a 30-day emergency study to update health and environmental zoning rules.
Missoula County commissioners passed a year-long moratorium on new AI data centers in Montana on Thursday to allow impact studies and new local regulations.
Missoula County commissioners approved a year-long moratorium on new AI data centers in Montana after Bonner opposition prompted calls for stronger regulations.
Missoula County commissioners approved a one-year moratorium on data center construction, excluding Missoula city limits, pending a 30-day emergency impact study.
Missoula County commissioners approved a one-year temporary moratorium on new or expanded data centers in Montana, excluding Missoula city limits, while staff study health and environmental impacts.
Yellowstone County Citizens, led by Kassi Solberg, continued a data-center ballot initiative while Yellowstone County Commissioners filed a lawsuit, in Montana, over initiative authority.
Yellowstone County seeks a court ruling on a voter-approval initiative for data centers as Missoula County enacts a one-year moratorium pending revised zoning.
Missoula County commissioners approved a up-to-one-year moratorium on new or expanded data centers, excluding Missoula city, while the county updates regulations.
Yellowstone County commissioners filed a lawsuit in Montana in response to a Supreme Court ruling limiting citizens initiatives over county land use authority.
Missoula County commissioners planned an interim zoning vote Thursday after Krambu's Bonner data center application support was withdrawn due to public environmental concerns.
Missoula County, Montana, holds a July 9 hearing on interim zoning to pause data center development while updated health and resource impact regulations are drafted.
Denise Kelly-led petitions in Butte-Silver Bow and Yellowstone County, Montana, collect signatures for a November vote requiring two-thirds approval for data center construction or expansion.
Missoula County officials are evaluating interim and long-term data center zoning during comprehensive planning for unincorporated Missoula County, Montana.
Yellowstone County commissioners in Montana are reviewing whether interim zoning can restrict Quantica Infrastructure's proposed data center near Broadview without violating the 2025 Right to Compute Act.
Missoula County, Montana, halted a proposed 29-megawatt Bonner AI data center when a property owner withdrew a signature from KRAMBU's special-exception application in response to public concerns.
Missoula County scheduled July 9 consideration of interim zoning for data centers to impose a temporary development and expansion pause while updated health and environmental rules are developed.
Missoula County commissioners hold a July 9 hearing to consider interim zoning that would pause data center development while updated health and environmental safeguards are developed.
Denise Kelly and 406 People First seek Montana ballot votes on data center approvals in Butte-Silver Bow and Yellowstone County amid water and utility-rate concerns.
Missoula County requested additional information from Krambu for a Bonner Miller Road data center special exception, leaving the MCCLUB hearing date undetermined.
Krambu seeks Missoula County approval for a Bonner Industrial Park data center using closed-loop evaporative and dry cooling under a July 1 special exception hearing.
Krambu filed with Missoula County to redevelop the Bonner mill site into a data center using closed-loop evaporative cooling with on-site well water and planned treatment-facility discharge.
Yellowstone County Judge Ed Zink on Tuesday denied Kassi Solberg's request to extend signature collection for a data-center ballot initiative opposing developments including Quantica's proposed Broadview facility.
A Yellowstone County District Court judge upheld county officials’ rejection of a supermajority ballot initiative targeting Quantica Infrastructure’s proposed data center near Broadview, Montana.
8/15/2026 • Community & Local Opposition • General
Groups collecting signatures in Montana seek two thirds voter approval for data center construction in Yellowstone and Butte-Silver Bow amid power and water impact concerns.
6/30/2026 • Community & Local Opposition • General
Krambu halted a Bonner, Montana data center proposal after a Missoula-area online petition and community concerns over water, power, and contamination risk, according to Missoula County.
Yellowstone County residents urged commissioners Tuesday in Billings, Montana, to place a countywide data center moratorium on the ballot and consider interim zoning for Quantica Infrastructure's proposed Broadview campus.
8/19/2026 • Community & Local Opposition • General
Yellowstone County residents reported alleged harassment during data-center petition collection in Billings on Tuesday as Judge Ed Zink ruled the measure missed the November ballot deadline.
8/12/2026 • Community & Local Opposition • General
The Golden Triangle Resource Council asked Cascade County commissioners in Great Falls, Montana, to impose a temporary hyperscale data center moratorium during a Tuesday meeting.
7/28/2026 • Community & Local Opposition • General
Great Falls residents and the Great Falls Development Alliance are organizing in July around the Ratepayer Protection Pledge as data center proposals emerge across Montana.
7/17/2026 • Community & Local Opposition • General
Gov. Mike Kehoe and Missouri S&T leaders discussed AI-driven data center growth in Rolla on June 18 as protesters and cities pushed water and land-use limits.
6/24/2026 • Community & Local Opposition • General
Montana residents and advocacy groups have blocked or delayed proposed AI data centers in Bonner and Missoula County while seeking statewide development restrictions.
Missouri debate over Amendment 5 cites data center tax exemptions created in 2015 under Senate Bill 149, with incentives tied to investment and high-wage job targets.
6/29/2026 • Project Finance & Incentives • General
Montana Democrats in Billings advanced a two-year data center moratorium on June 20, citing power bills and cooling-water scarcity as AI demand accelerates.
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