Pima County, Arizona
Pima County, Arizona has 500 MW of data centers on record, planned to operating, across 1 record, against 2.1 GW of generation operating inside the county. Nothing is in the interconnection queue for the county. That is 3% of Arizona's data center MW.
Pima County and its neighbors
Counties shaded by data center MW on record, planned to operating. 5 of its 6 neighboring counties have pages of their own. The rest are in the member database.
Data center records planned, under construction and operating, data as of October 8, 2026.Hover a county for its numbers
of the generation operating in the county is matched by data center MW on record: 500 MW of data centers against 2.1 GW of plants.
Data centers by status
1 record, 500 MW
The data center pipeline
None of the 1 record lists a year online or expected, so the pipeline is shown by developer only.
Who is building in Pima
Data center developers by MW on record. Top 1 of 1.
View as table
| Developer | Sites | MW |
|---|---|---|
| US Government | 1 | 500 |
Power generation in the county
59 plants operate inside Pima County, 2.1 GW. Nothing is in the queue for the county.
Operating and planned generation by technology
MW in Pima County
View as table
| Technology | Status | Projects | MW |
|---|---|---|---|
| Battery Storage | Operating | 7 | 763.8 |
| Natural Gas | Operating | 21 | 736.2 |
| Solar | Operating | 31 | 575.4 |
Pima County against its neighbors
Maricopa County has the most data center MW among the neighbors, 11.6 GW, more than Pima County. 5 of the 5 have more generation operating than data center MW on record.
| County | Data center records | Data center MW | Operating generation MW | Planned generation MW | Data center MW per MW operating |
|---|---|---|---|---|---|
| Maricopa County | 151 | 9,455 | 0.49x | ||
| Pinal County | 2 | 2,272 | 0.69x | ||
| Pima County this page | 1 | 0 | 0.24x | ||
| Yuma County | 0 | 5,229 | 0x | ||
| Cochise County | 0 | 351 | 0x | ||
| Santa Cruz County | 0 | 0 | 0x |
Data center MW counts records planned, under construction and operating. Generation is inside the county only. Neighbors without a page have fewer than three projects on record.
6 counties shownWhat changed since June 4, 2026
1 project in Pima County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.
Every change in Pima County
Project, what changed, technology, MW and the dates that moved, for all 1 change.
| Project | Change | Technology | MW | Previous date | New date |
|---|---|---|---|---|---|
Rows are hidden on public pages. Members see the project behind each change, its developer and the dates that moved.
Every record in Pima County
Campus or project name, developer, status, MW, year and the developer’s contacts, for all 60 records. Filter, sort and export to Excel.
| Project or campus | Developer | Status | MW | Year | Contacts |
|---|---|---|---|---|---|
Rows are hidden on public pages. Members see every field and can export up to 1,000 rows a month on Solo, unlimited on Unlimited.
Get alerts for Pima County
We email you when a data center or power project in Pima County is added, changes status, signs an interconnection agreement or slips its date. One email per snapshot, only when something changed.
Open every campus, project and contact in Pima County.
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