Data Center Registry
491st Avenue and Thomas Road Data Center / Solar Site
Tonopah, Maricopa County, Arizona
491st Avenue and Thomas Road Data Center / Solar Site is a permitted data center in Tonopah, Arizona (Maricopa County), operated by Grandilla (Arizona) Inc. and Foot Creek Corporation. The public record puts it at 638 acres.
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.
Facility record
Permitted
- Operator
- Grandilla (Arizona) Inc. and Foot Creek Corporation
- Facility type
- Data center
- Location
- Tonopah, Maricopa County, AZ
- Coordinates
- 33.4810, -113.1340 (approximate)
- Power capacity
- Not established from a public source
- Land
- 638 acres
- Investment
- Not established from a public source
- Announced
- Not established from a public source
- Utility
- Not established from a public source
- Power source
- Mixed
- Cooling
- Not established from a public source
- Water use
- Not established from a public source
- Jobs
- Not established from a public source
- Public subsidy
- Not established from a public source
- Community reception
- No reception on record
- Source confidence
- Reported by at least one credible outlet or filing
Timeline from the record
Newest first. Record entries come from the filings and reports the registry cites. Coverage entries are headlines from publisher feeds we monitor daily, linked to the outlet; last checked September 14, 2026.
- February 18, 2026PermittedMaricopa County Board of Supervisors approved the comprehensive plan amendment (Rural Development Area to Utilities) and rezoning from Rural-43 to Light Industrial (IND-2) with an Industrial Unit Plan Overlay. Source: AZBEX
Opposition and litigation at this site
Nothing on record as of August 28, 2026. No lawsuit, organized opposition, or contested hearing over 491st Avenue and Thomas Road Data Center / Solar Site in Tonopah, Maricopa County, Arizona appears in the sources this registry tracks. That is an absence in our sources rather than a finding that none exists, and local opposition often predates any coverage a national dataset would pick up.
If you live near this site and something is happening that this page does not show, that is worth telling us. Send us the document and it goes in the record with the source attached. For sites where opposition is already established, see every contested site we track.
Power and water
Approved uses include on-site solar power generation and battery energy storage alongside the data center campus. No MW figures disclosed.
Notes on the record
Northeast corner of 491st Avenue and Thomas Road near Tonopah. Concept is nine industrial buildings of roughly 250,000 sq ft each, about 2.25 million sq ft total, plus solar and BESS. No formal development plan is on file; the applicant describes phased build-out sequenced to market demand, with initial development over the southern portion of the property.
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.
- Power capacity in megawatts
- Cooling method and water use
- Tax abatements or other public subsidy
- Permanent jobs promised
- How the community has received it
- Which utility serves it
Which document closes each gap
- Power capacity in megawatts
- The utility's large load service agreement, the interconnection request in the grid operator's queue, or the electrical site plan in the permit file.
- 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.
- Permanent jobs promised
- The economic development application or incentive agreement, which usually states a job commitment and a clawback.
- How the community has received it
- Planning commission and governing body minutes, public comment records, and any petition or lawsuit filed in 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.
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.
- Camelback Creek · Tonopah · Arizona Land Consulting10 mi · Proposed
- Wintersburg 313 · Tonopah · 313 Wintersburg LLC and Wintersburg Four LLC13 mi · Proposed
- Hassayampa Ranch Data Center · Tonopah · Arizona Land Consulting21 mi · Proposed · 1.5 GW · Contested
- Buckeye Tech Corridor · Buckeye · Tract24 mi · Permitted · 1.8 GW · Supported
Questions people ask about this site
Is there opposition to the 491st Avenue and Thomas Road Data Center / Solar Site in Tonopah?
Nothing on record as of August 28, 2026. No lawsuit, organized opposition, or contested hearing over 491st Avenue and Thomas Road Data Center / Solar Site in Tonopah, Maricopa County, Arizona appears in the sources this registry tracks. That is an absence in our sources rather than a finding that none exists, and local opposition often predates any coverage a national dataset would pick up.
Has anyone filed a lawsuit over the 491st Avenue and Thomas Road Data Center / Solar Site?
No lawsuit over 491st Avenue and Thomas Road Data Center / Solar Site appears in the record we track as of August 28, 2026. Residents most often reach a lawyer over water supply, well drawdown, noise from cooling plant, property value, or a rezoning approved without the notice the ordinance required. If any of that is happening near this site, it is worth a review whether or not a case has been filed yet.
How much water does 491st Avenue and Thomas Road Data Center / Solar Site use?
No water withdrawal figure for 491st Avenue and Thomas Road Data Center / Solar Site 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 491st Avenue and Thomas Road Data Center / Solar Site, and how big is it?
Grandilla (Arizona) Inc. and Foot Creek Corporation is the operator on record. No capacity figure is on record for this site. The site is recorded at 638 acres.
How to cite this page
SueDataCenters.org Data Center Registry, "491st Avenue and Thomas Road Data Center / Solar Site," updated August 28, 2026, https://suedatacenters.org/data-centers/grandilla-foot-creek-491st-thomas-tonopah-az.
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/grandilla-foot-creek-491st-thomas-tonopah-az, 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.Maricopa County Board Approves Rezoning for 638-Acre Data Center/Solar Site · AZBEX · retrieved August 28, 2026
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