Greenfield (MABELVALE SUBSTATION - ARKANSA)
GreenfieldPerry County, Arkansas · MISO
Greenfield (MABELVALE SUBSTATION - ARKANSA) is a greenfield datacenter candidate site in Perry County, Arkansas, interconnecting through MISO. It screens at 66.0/100 DC Readiness with a catalogued 1,000 MW of candidate capacity and a 1.4 yrs average interconnection-queue wait.
Power & interconnection
Speed to power
Connectivity
Site characteristics
Risk & environment
Location context
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 Perry County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Greenfield (MABELVALE SUBSTATION - ARKANSA) | Greenfield | 500 kV | 1,000 MW | 1.4 yrs | 67.7 |
| Greenfield (MABELVALE SUBSTATION - ARKANSA) | Greenfield | 500 kV | 1,000 MW | 1.4 yrs | 67.4 |
| UNKNOWN107976 | Substation-Adjacent | 161 kV | 100 MW | 1.4 yrs | 64.8 |
| Greenfield (MABELVALE SUBSTATION - ARKANSA) | Greenfield | 500 kV | 1,000 MW | 1.4 yrs | 64.5 |
| ARKANSAS NUCLEAR ONE | Substation-Adjacent | 500 kV | 1,000 MW | 1.4 yrs | 61.7 |
| Greenfield (MABELVALE SUBSTATION - ARKANSA) | Greenfield | 500 kV | 1,000 MW | 1.4 yrs | 61.0 |
| Greenfield (UNKNOWN107754 - UNKNOWN107976) | Greenfield | 161 kV | 100 MW | 1.4 yrs | 61.0 |
| UNKNOWN107726 | Substation-Adjacent | 115 kV | 100 MW | 1.4 yrs | 59.2 |
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.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for Greenfield (MABELVALE SUBSTATION - ARKANSA), Perry 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.