Operating data center in 1215 E Pennsylvania St, Tucson. Operated by Ark Data Centers.
Capacity: Figure reported in the press. Reported by Data Center Dynamics and BizTucson when the expansion was announced in December 2023. Ark Data Centers publishes no figure Arizona AI could find. The source does not say what the figure measures.
Per-facility headcount is not published here: no reliable public figures exist for these sites, and construction announcements are not permanent employment. Open Arizona roles at this operator, where there are any, are listed on the operator's company page.
Compiled from public records and checked on 2026-10-23. Confidence in this record: medium. Blank figures mean the number is not publicly established, not that it is zero.
Each statement on this page is listed with the page it came from and the words that say it. Sources open in a new tab.
Status: Operating
THIS SPRINKLER SYSTEM TENANT IMPROVEMENT DESIGN IS FOR THE EXISTING ARK DATA CENTER (FORMERLY INVOLTA).
It recently announced an expansion of its Tucson, Arizona data center to 1MW
capacity at the third-generation facility increases to 1.0MW
Capacity: 1 MW
Taking capacity at 600-rack site to 1MW
capacity at the third-generation facility increases to 1.0MW
Floor area: 38,000 sq ft
Tucson’s 38,000+-square-foot data center
it is expanding capacity at the 38,000 sq ft (3,530 sqm) facility to 1MW
Location: 1215 E Pennsylvania St, Tucson
Located at 1215 East Pennsylvania Street, Involta broke ground on the $15 million facility in 2012
Involta, the company now called Ark Data Centers, announced in December 2023 an expansion of the Tucson data center to 1 MW of capacity, according to Data Center Dynamics and BizTucson.
Taking capacity at 600-rack site to 1MW
capacity at the third-generation facility increases to 1.0MW
Involta renamed itself Ark Data Centers in May 2024.
US colocation firm Involta has rebranded to Ark Data Centers.
Involta announced the data center in June 2012 as a $15 million, 40,000 sq ft facility with room for about 600 cabinets.
Involta, LLC plans to build and operate a state-of-the-art 40,000 square foot data center in Tucson, AZ.
will contain approximately 600 cabinets of IT equipment
The $15-million facility will be a stable, predictable, high-performance data center
City of Tucson permits show a 2012 alteration of the building for a data storage facility, and the building tenant adding a second data hall under a 2024 permit that passed its certificate of occupancy inspection in February 2025.
TI: DATA STORAGE FACILITY
THE BUILDING TENANT IS CONSTRUCTING A SECOND DATA HALL.
to build out a data hall in an Electronic Data Storage Center
OK to make application for Certificate of Occupancy.
These remarks are Arizona AI's own. They say how this record is counted or what we could not find, so there is no outside page to link.
Arizona AI found no page of Ark Data Centers' own with this site's figures, so the power figure comes from the press. Arizona AI shows no opening year because the reports disagree.