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Montana Data Centers

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Wheeler Center

October 27, 2026

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Bob Morris

Lance Energy Chair

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rmorris4@mtech.edu

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Opportunities, Risks, and

Community Choices

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Data Centers: Essential Infrastructure

Secure facilities that store, process, and transmit digital information

EVERYDAY LIFE

Banking, healthcare, communications, travel, cloud services, and AI

NATIONAL SECURITY

Military operations, cybersecurity, intelligence, emergency response, and technological leadership

COMMUNITY BENEFITS

Jobs, tax revenue, infrastructure investment, and protection of local resources

Host communities should share in the benefits while protecting electricity, water, and other local resources.

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Why Montana Attracts Data Centers

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  • Reliable & Economical Electricity
  • Cool climate
  • Fiber Optics
  • Highway & Rail Transport
  • Work Force
  • Business Environment

Atlas

Sabey

Quantica

NYDIG

Proposed

Existing

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U.S. Electricity on the Rise (Again)

Sources: U.S. Census Bureau, Historical Statistics of the United States, Millennial Edition (1902-2000); U.S. Energy Information Administration, Electric Power Annual, Table 3.1.A (2001-2024); EIA, Today in Energy, March 2026 (2025, preliminary

Terawatt hours

4

2-3% CAGR

Coal

Natural Gas

Nuclear

Renewables

4.7% CAGR

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Load Growth Places Downward Pressure on Electricity Prices

2019 – 2024 Inflation Adjusted

Factors Influencing Recent Trends in Retail Electricity Prices in the United States: Lawrence Berkeley National Laboratory & The Brattle Group, October 2025

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MDU: Data Centers Cover Their Own Costs, Lower Costs for Others�Returns to Customers

https://www.montana-dakota.com/rates-services/large-customers-shared-value-customer-benefits/

Polaris Forge 1 Project

Ellendale, ND

$38.4M in 3yrs

$2.2M annually

$1.1M in 3yrs

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  • Atlas expands 90 -> 200 MW
  • Local generation falls short
  • Transmission congestion: $21M1
  • FERC dismisses complaint
  • Line rerating relieves congestion

Atlas

Williston, ND

Data Center Contributes to Congestion

1. North Dakota Public Service Commission records

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NERC Assesses Electrical Supply Risks

NERC 2025 Long Term Reliability Assessment

High Risk Regions

Retirement of Coal, Gas & Nuclear Generation

Expansion of Intermittent Wind, Solar, & Battery

Load Growth

Regulation

Supply Chains

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Montana Electricity Users Have Supply Options

  1. Regulated Utility - Northwestern Energy / MDU
    • Regulated by Montana PSC
    • Comply with statute 69-8-201(1)(b) “…electricity service shall not adversely impact existing customers..”
  2. Market “Choice”
    • Wholesale power & transmission regulated by FERC
  3. Electric Cooperative
    • Co-op board governance
  4. Bring Your Own
    • Environmental, siting & interconnection requirements apply

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Northwestern Energy Long Term Energy Forecast

Northwestern Energy 2026 Integrated Resource Plan  

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Northwestern Energy Plans for Data Center Growth�Capacity Additions (MW) for Base Case and Data Center Loads of 150, 650, 1160 MW

Northwestern Energy 2026 Integrated Resource Plan 

$41

$35

$40

$42

Capacity

(Megawatts)

0

10

20

30

40

50

Energy Cost ($/MWh)

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Montana Power Producers Plan for 11GW New Resources�Northwestern Energy Interconnection Queue

84% Wind, Solar, Battery

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GW

GW

GW

Wind

Broadview Data Center Energy Concept

Solar

Battery

Natural Gas

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Data Centers Optimize Cooling System Design

https://blog.equinix.com/blog/2025/04/08/how-to-speak-like-a-data-center-geek-cooling/

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Select Cooling System to Optimize Water & Energy Use

https://baltimoreaircoil.com/articles/data-center-cooling-options

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Oklahoma State Data Center�Closed Loop Liquid Cool, No External Water

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Chilled Water Buffer Tank

Dry Chiller

Chilled Door Liquid Server Cooling

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Adiabatic Building Cooling Optimizes Energy & Water Use

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https://www.researchgate.net/figure/Water-cooling-design-in-the-data-center-25_fig2_359538981

+ Simple Design + Low Power Use + No Water Use Below 80°F

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How Much Water Will a Butte Data Center Use?�Cooling System: Adiabatic Building, Liquid Server�

Total Electrical Load 250MW

Water Use 16M gal/yr

44k gal/day

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Butte Has a Robust Industrial Water System�MGD = Million Gallons Per Day

Industrial

Potable

6.2 MGD Average

Bob Morris 26 January 2026. Per analysis of BSB Silver Lake Water System and proposed Montana Connections data center per Sabey Data Centers

25 MGD Capacity

2.4 MGD Average

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Broadview Water Study

~700 wells within 9 miles of Broadview

Multiple aquifers at 0 – 1,000ft depth

Typical yields: 1 – 50 GPM

Poor water quality

Montana Bureau of Mines and Geology Open-File Report 567

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Broadview Data Center Water Use Considerations

Use dry building cooling, liquid server cooling

Design for 20,000 gallons per day

Explore deep aquifers

Build a water treatment facility

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250 MW Butte Data Center | Jobs | Taxes

DURING CONSTRUCTION

DURING OPERATIONS

900

Direct on-site jobs

3,300

Total Montana jobs

175

Permanent on-site jobs

875

Total ongoing jobs

Annual County Property Tax Addition: $5M-$8M

BBER Economic Outlook Seminar, February 2025. John Kasperick, Northwestern Energy, numbers are averaged/rounded. Assumes data center located in the Montana Connections TIF district. Most property taxes retained by the TIF district

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500 MW Broadview Data Center | Jobs

DURING CONSTRUCTION

DURING OPERATIONS

500

Direct on-site jobs

~2,000

Total Montana jobs

170

Permanent on-site jobs

390

Total ongoing jobs

Source: UM BBER, July 2026, slides 5, 8–9.

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500 MW Broadview Data Center | Tax Impact

Modeled annual tax payments including an on-site 500 MW natural gas plant

$35.7 MILLION

Annual state and local taxes

NEARLY $100,000 PER DAY

10% of Yellowstone County Property Tax Collections

Where the data center property taxes go

$19.4M

New public revenue

$13.8M

Tax relief for existing property owners

Source: UM BBER, July 2026, slides 11–12, 14. $33.2M in data center property taxes, $2.5M in gas plant taxes.

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Quincy, WA Experience and Lessons

  • 7 Data Center Campuses: 269 MW
  • No rate increase (residential: $0.062/kWh)
  • 8% of city water (food processors: 57%; residential/commercial: 33%)
  • 57% of city taxes: new, hospital, wastewater plant, city hall, emergency services, police station, water park, sports complex, high school
  • 900 direct jobs; 3,600–5,300 indirect
  • Poverty rate: 30% → 6%
  • Personal property tax: $3.12 → $0.88 per $1,000
  • High school apprenticeships & certificates

1. WA State Representative Alex Ybarra R-Quincy WATCH: How data centers rescued a struggling central Washington community | Washington | thecentersquare.com

2. The Tulsa Flyer, James G. Wright, February 24, 2026. 3. Grant County PUD

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