Announced
Tombstone Resources data center campus
Cochise, AZ
Tombstone Resources data center campus is an announced data center project in Cochise, AZ.
Project status
- Announced
- Permitting
- Under constructionNot yet
- OperationalNot yet
Recorded changes
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Community sentiment
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Latest news
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Records and documentation
Arizona state legislation
- Council Vote — Denial of AI Data Center Special Use ApplicationChandler City Council denied a special-use application for an AI data center project in December 2025.Download
- ACC Docket E-01345A-25-0105 - APS 2025 General Rate Case (Data Center Rate Class)Filed June 2025, seeking ~14-16% base rate increase including a 45%+ rate increase specifically for "extra-large energy users" (data centers) and a proposed annual true-up mechanism largely tied to data-center-driven load growth.Download
- Pima County Memorandum of Agreement (Project Blue / Humphreys Peak Properties)Binding MOA between Pima County and Humphreys Peak Properties for the 'Project Blue' data center development.Download
- Ordinance No. 5033 (Zoning Code Ch. 35, Sec. 2214)One of the earliest data center zoning ordinances in the US, enacted by Chandler, AZ in December 2022.Download
- ACC Docket E-00000A-25-0069 - Inquiry into Data Center Rate ClassificationsOpened April 2025 -- commission-wide inquiry into rate classification and cost-allocation policy for data centers/large loads ("Growth Pays for Growth"). Workshop held April 2026.Download
- HB2949 - Energy costs; large data centersDescription comingDownload
- HB2452 - Comprehensive plans; data centers; nuclearDescription comingDownload
Site details
- Operator
- Not announced
- County
- Not on file
- Address
- Cochise, AZ
- Stage
- Announced
Capacity and size: not on file
Map
Photos
Aerial imageryUSGS The National Map · public domain
Omen AI adds liquid know-how in $16 million Aquatic Labs acquisitionTechCrunch
Lava takes on the AI boom’s data center security blind spotTNW
Why Amazon’s Sunbury tax breaks could stretch beyond 30 yearscleveland.com
Readers split over city plan for data center moratoriumSan Diego Union-Tribune
For data center developers
