St. John, AZ
Federal ExcessApache County, Arizona · MISO
St. John, AZ is a federal excess datacenter candidate site in Apache County, Arizona, interconnecting through MISO. It screens at 37.3/100 DC Readiness.
Power & interconnection
Connectivity
Risk & environment
Location context
Incentive detail: Government Property Lease Excise Tax (GPLET) for qualified facilities on government land.
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 Apache County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| CORONADO | Substation-Adjacent | 500 kV | 1,000 MW | 5.7 yrs | 65.3 |
| Greenfield (MCKINLEY - SPRINGERVILLE) | Greenfield | 345 kV | 600 MW | 3.5 yrs | 59.5 |
| Greenfield (FOUR CORNERS - UNKNOWN307401) | Greenfield | 345 kV | 600 MW | 3.5 yrs | 57.7 |
| Greenfield (FOUR CORNERS - UNKNOWN307401) | Greenfield | 345 kV | 600 MW | 3.5 yrs | 57.7 |
| Greenfield (FOUR CORNERS - UNKNOWN307401) | Greenfield | 345 kV | 600 MW | 3.5 yrs | 57.6 |
| Greenfield (FOUR CORNERS - UNKNOWN307401) | Greenfield | 345 kV | 600 MW | 3.5 yrs | 57.6 |
| Greenfield (SUGARLOAF - CORONADO) | Greenfield | 500 kV | 1,000 MW | 5.7 yrs | 57.6 |
| Greenfield (MCKINLEY - SPRINGERVILLE) | Greenfield | 345 kV | 600 MW | 3.5 yrs | 57.1 |
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 St. John, AZ, Apache County. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.