Ajo Solar Project
BrownfieldPima County, Arizona · WECC
Ajo Solar Project is a brownfield datacenter candidate site in Pima County, Arizona, interconnecting through WECC. It screens at 54.1/100 DC Readiness with a catalogued 5 MW of candidate capacity and a 6.9 yrs average interconnection-queue wait.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
Sales-tax exemption suspended Jul 2026–Jun 2029; water constraints add scrutiny.
Incentive detail: Government Property Lease Excise Tax (GPLET) for qualified facilities on government land.
Site location
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Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Pima County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| TUCSON | Substation-Adjacent | 345 kV | 600 MW | 6.9 yrs | 63.9 |
| Tucson International Airport Area | Brownfield | 230 kV | 3 MW | 6.9 yrs | 63.6 |
| OZ Pima | Greenfield | — | — | 5.7 yrs | 62.6 |
| OZ Pima | Greenfield | — | — | 5.7 yrs | 62.2 |
| OZ Pima | Greenfield | — | — | 5.7 yrs | 61.4 |
| EC Near H Wilson Sundt Generating Station | Greenfield | — | — | 5.7 yrs | 61.2 |
| OZ Pima | Greenfield | — | — | 5.7 yrs | 60.4 |
| EC Near H Wilson Sundt Generating Station | Greenfield | — | — | 5.7 yrs | 59.8 |
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for Ajo Solar Project, Pima County. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.