Data Center Registry
Armory Innovation District Data Center
St. Louis, Missouri
Armory Innovation District Data Center is a permitted data center in St. Louis, Missouri, operated by Contour / TerraWatt (with Steadfast City, THO Investments, ARCO, Lewis Rice). The public record puts it at 120 MW planned, a reported $3 billion investment. It is or has been the subject of litigation over its siting, permitting, or operation.
Every line on this page traces to a public source listed at the bottom. Where a figure was looked for and not found, the row says so. A blank is never a zero.
What our reporting adds
Our case file documents this site. Pending, filed August 28, 2026, St. Louis. The base record lists the reception as contested; the case record sets it to litigation.
Facility record
Permitted
- Operator
- Contour / TerraWatt (with Steadfast City, THO Investments, ARCO, Lewis Rice)
- Facility type
- Data center
- Location
- Adjacent to The Armory, Midtown (former Macy's/Famous-Barr warehouse site), St. Louis, MO
- Coordinates
- 38.6360, -90.2370 (approximate)
- Power capacity
- 120 MW planned
- Land
- Not established from a public source
- Investment
- $3 billion
- Announced
- Not established from a public source
- Utility
- Not established from a public source
- Cooling
- Not established from a public source
- Water use
- Not established from a public source
- Jobs
- 200 permanent; 1,050 construction
- Public subsidy
- Not established from a public source
- Community reception
- In litigation
- Source confidence
- Reported by at least one credible outlet or filing
Opposition and litigation at this site
Yes. Armory Innovation District Data Center in St. Louis, Missouri is or has been the subject of litigation over its siting, permitting, or operation. Pending, filed August 28, 2026, St.
How the community has taken it
Reception is a sourced signal, not an editorial judgment: in litigation means the facility is or has been the subject of a lawsuit related to its siting, permitting, or operation.
Pending, filed August 28, 2026, St. Louis. Proposed $3 billion hyperscale data center near the Armory, Midtown St. Louis, redeveloped by David Lambiaso. Approved with conditions including a $15.75M community benefits fund, no local tax abatement sought, closed-loop cooling, rooftop solar/green-roof requirements, and a target of 50% renewable energy within five years; subject to potential appeal.
Notes on the record
St. Louis Board of Public Service approved the conditional use permit 5-0 on 2026-04-22; the Board of Adjustment upheld/amended it on 2026-07-30. No tenant has been named as of this session; targeted for full operation by end of 2028. Officially branded the 'Armory Innovation District.'
What the record does not establish, and the document that would
In every fight on our tracker the decisive fact came out of a public records request. These are the requests for this site.
- Cooling method and water use
- Tax abatements or other public subsidy
- Land area
- Which utility serves it
Which document closes each gap
- Cooling method and water use
- The water service agreement, any groundwater appropriation permit, and the mechanical narrative in the site plan.
- Tax abatements or other public subsidy
- The abatement, PILOT, or development agreement approved by the county, city, or development authority, and the state's data center sales tax exemption certificate if one was issued.
- Land area
- The rezoning application, the plat, or the deed recorded with the county.
- Which utility serves it
- The electric service agreement or the utility's filing with the state public utility commission.
Have one of these documents? Send it to us and we will add it to the record with attribution.
Our reporting on this site
Other sites within 30 miles
Distances are between recorded coordinates, many of which are a city or county centroid, so treat them as approximate. Cumulative load on one utility and one aquifer is the question a planning commission rarely asks.
- Netrality 210 North Tucker (St. Louis) · St. Louis · Netrality Data Centers2 mi · Operating
- TierPoint St. Louis - Olive · Saint Louis · TierPoint2 mi · Operating
- Project Butterfly (former Emerson campus) · Ferguson · SSL Investments / Next Revolution Technologies10 mi · Proposed · Contested
- Cloverleaf Troy Data Center Campus · Troy · Cloverleaf Infrastructure18 mi · Proposed · 500 MW · Mixed reception
Questions people ask about this site
Is there opposition to the Armory Innovation District Data Center in St. Louis?
Yes. Armory Innovation District Data Center in St. Louis, Missouri is or has been the subject of litigation over its siting, permitting, or operation. Pending, filed August 28, 2026, St.
Has anyone filed a lawsuit over the Armory Innovation District Data Center?
Yes. This site is recorded as being in litigation. The case, the court, and the filings we hold are listed on this page under the timeline and the sources.
How much water does Armory Innovation District Data Center use?
No water withdrawal figure for Armory Innovation District Data Center is on record here. Water use is rarely published voluntarily; it usually surfaces through a utility service agreement or a state withdrawal permit, both of which are public records. We leave the number blank rather than estimate one.
Who operates Armory Innovation District Data Center, and how big is it?
Contour / TerraWatt (with Steadfast City, THO Investments, ARCO, Lewis Rice) is the operator on record. Capacity on record is 120 MW.
How to cite this page
SueDataCenters.org Data Center Registry, "Armory Innovation District Data Center," updated August 24, 2026, https://suedatacenters.org/data-centers/armory-innovation-district-st-louis-mo.
Facility data from Compute Atlas (E. Kubiak), version 1.32.0 (September 7, 2026), licensed CC BY 4.0, record https://www.compute-atlas.com/facilities/armory-innovation-district-st-louis-mo, retrieved September 14, 2026.
Corrections with a public source are welcome at the Compute Atlas record or through our contact page. The whole registry is available as CSV and JSON under CC BY 4.0.
Sources for this record
As compiled and cited by Compute Atlas, with our own reporting appended. Archived links are used where the original has moved.
- 1.Midtown data center wins key approval from St. Louis Board of Public Service · St. Louis Magazine · retrieved August 24, 2026
- 2.St. Louis board upholds Midtown data center permit with new rules · St. Louis Public Radio · retrieved August 24, 2026
- 3.The St. Louis Armory Data Center Lawsuit: Residents and Advocates Take a $3 Billion Permit to Court · SueDataCenters.org · retrieved September 2, 2026
- 4.St. Louis Public Radio: Opponents of St. Louis data center take their fight to court (August 29, 2026) · stlpr.org · retrieved September 2, 2026
- 5.First Alert 4: Residents, organizations file lawsuit against proposed Midtown data center (August 29, 2026) · firstalert4.com · retrieved September 2, 2026
- 6.Programs.com: Data center moratoriums by state, tracker and statistics (as of August 26, 2026) · programs.com · retrieved September 2, 2026
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