Planned

Rancho Sahuarita Planning Areas 26/27 data center site

Rancho Sahuarita Planning Areas 26/27 data center site is a planned data center in Sahuarita, AZ. Rancho Sahuarita's developer asked the Town of Sahuarita to confirm data centers are a permitted use on ~200 acres (Planning Areas 26-27) near the landfill transfer station; the town approved an administrative amendment with conditions on Aug 12, 2025. No end user or operator named; the town is also updating its industrial zoning code for data centers. Distinct from Beale's Project Gravel in unincorporated county land. (Source dated 2025-09-02.) [Reviewed 2026-10-09: verified] Town of Sahuarita approved administrative amendment for data center use in Planning Areas 26-27 on August 12, 2025, with conditions; no operator or end-user identified yet. Source: https://www.tucsonsentinel.com/local/report/090225_sahuarita_data_center/sahuarita-developer-eyes-data-center-options/.

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Project status

Announced
Permitting
Under constructionNot yet
OperationalNot yet

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What’s next

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Tuesday, November 3
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Stories about it, and about Pima County, AZ, land here.

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Records and documentation

Arizona state legislation

Council Vote — Denial of AI Data Center Special Use ApplicationApprovalchandleraz.govChandler 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)Approvaledocket.azcc.govFiled 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)Community benefits agreementfas.orgBinding 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)Ordinancechandleraz.govOne 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 ClassificationsDocumentedocket.azcc.govOpened 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 centersLegislationlegiscan.comHouse read second time Feb 5, 2026Description comingDownload
HB2452 - Comprehensive plans; data centers; nuclearLegislationlegiscan.comHouse motion to reconsider third reading Feb 26, 2026Description comingDownload

Site details

Operator: Not announced
County: Pima County, AZ
Address: Sahuarita, AZ
Stage: Planned

Capacity and size: not on file

Map

Photos

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Google Street View · nearby land, not the exact site
Project Blue developer eyes Marana for second Pima County data centerThe Arizona Republic
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