Under construction

Lumon Solutions Marshfield Data Center

Lumon Solutions Marshfield Data Center is under construction in Marshfield, MO. Lumon Solutions is building a 5-acre Tier III AI-ready modular data center (eight units) on Rifle Range Road outside Marshfield; site prep underway amid opposition (KY3, May 11 2026).

Aerial imagery: USGS The National Map (public domain)

Project status

Announced
Permitting
Under construction
Operational

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Records and documentation

Missouri state legislation

Infrastructure Development and Funding Agreement with CRG Acquisition LLCCommunity benefits agreementfas.orgInfrastructure funding and development agreement between the City of Festus and CRG Acquisition LLC for a local data center project.Download
Armory Innovation Data Center Project – Summary of CBA ProvisionsCommunity benefits agreementfas.orgSummary document of negotiated CBA provisions and conditional-use terms for the Armory Innovation data center project in St. Louis.Download
HB1005 - Sales/use tax exemption for data center operationsLegislationdatacenterbans.comProvides sales and use tax exemption for goods and services related to data center operations.Download
Ordinance No. 251031Ordinanceclerk.kcmo.govKansas City, Missouri ordinance reclassifying data centers as an industrial use, enacted January 15, 2026.Download
HB3390 - Creates new provisions related to the construction of data centersLegislationlegiscan.comIn committee May 15, 2026Description comingDownload

Site details

Operator: Lumon Solutions
County: Webster County, MO
Address: Marshfield, MO
Stage: Under construction

Capacity and size: not on file

Map

Photos

Aerial imageryUSGS The National Map · public domain
Who pays for data center power? Missouri faces a major testSt. Louis Post-Dispatch
An $8 billion Treasury break helped Meta’s tax rate hit 2%. Senators want data center tax answersFortune
The states with the fewest and most data centers, rankedBusiness Insider
Finns Are Seething After Google Illegally Toppled 250,000 Trees for a Data CenterMother Jones
Google offer to pay others to help data center powerArkansas Online
This bill would make data centers pay their own way for powerSalt Lake City Deseret News