HARCUVAR
Substation-AdjacentLa Paz County, Arizona · WECC
HARCUVAR is a substation-adjacent datacenter candidate site in La Paz County, Arizona, interconnecting through WECC. It screens at 53.4/100 DC Readiness with a catalogued 300 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 La Paz County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN305616 | Substation-Adjacent | 500 kV | 1,000 MW | 6.9 yrs | 57.7 |
| COLORADO RIVER | Substation-Adjacent | 500 kV | 1,000 MW | 8.2 yrs | 55.0 |
| UNKNOWN302270 | Substation-Adjacent | 345 kV | 600 MW | 6.9 yrs | 54.7 |
| EAGLE EYE | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 54.5 |
| BLM Solar DLA: Brenda | Greenfield | — | 808 MW | 5.7 yrs | 53.4 |
| NORTH HAVASU | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 53.0 |
| BLACK MESA | Substation-Adjacent | 230 kV | 300 MW | 6.9 yrs | 52.5 |
| BUCK | Substation-Adjacent | 230 kV | 300 MW | 8.2 yrs | 51.2 |
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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