Mine Site
Former MinePolk County, Iowa · MISO
Mine Site is a former mine datacenter candidate site in Polk County, Iowa, interconnecting through MISO. It screens at 55.9/100 DC Readiness and a 4.3 yrs average interconnection-queue wait.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
Strong incentives; utilities courting hyperscale load.
Incentive detail: Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.
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 Polk County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| BONDURANT | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 69.3 |
| GREATER DES MOINES ENERGY CENTER | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 69.2 |
| SE POLK | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 69.1 |
| SYCAMORE | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 68.1 |
| Harriet Street Solar Field | Brownfield | 69 kV | 1 MW | 4.3 yrs | 65.9 |
| OZ Polk | Greenfield | — | — | 4.3 yrs | 65.9 |
| EC Near Metro Methane Recovery Facility | Greenfield | — | — | 4.3 yrs | 64.8 |
| UNKNOWN132634 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 64.2 |
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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