Greenfield (KIOWA SUBSTATION - ROADRUNNER)
GreenfieldEddy County, Arizona · WECC
Greenfield (KIOWA SUBSTATION - ROADRUNNER) is a greenfield datacenter candidate site in Eddy County, Arizona, interconnecting through WECC. It screens at 50.6/100 DC Readiness with a catalogued 600 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.
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 Eddy County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN307140 | Substation-Adjacent | 345 kV | 600 MW | 3.3 yrs | 55.2 |
| EDDY AC-DC-AC TIE | Substation-Adjacent | 345 kV | 600 MW | 3.3 yrs | 54.6 |
| EC Near Carlsbad | Greenfield | — | — | 3.5 yrs | 53.7 |
| UNKNOWN306969 | Substation-Adjacent | 230 kV | 300 MW | 3.3 yrs | 53.5 |
| OZ Eddy | Greenfield | — | — | 3.5 yrs | 53.4 |
| POTASH JUNCTION | Substation-Adjacent | 230 kV | 300 MW | 3.3 yrs | 53.4 |
| EC Near Carlsbad | Greenfield | — | — | 3.5 yrs | 53.1 |
| UNKNOWN305514 | Substation-Adjacent | 230 kV | 300 MW | 3.3 yrs | 53.0 |
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.
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