Greenfield (MADISON PARK - SNOWDOUN)
GreenfieldMontgomery County, Alabama · SERC
At a glance
Greenfield (MADISON PARK - SNOWDOUN) is a greenfield datacenter candidate site in Montgomery County, Alabama, scoring 58.6/100 DC Readiness — 47th of 99 scored sites in the county. Its nearest substation is MADISON PARK. It sits in the SERC grid region and the ALABAMA POWER CO service territory, where interconnection has averaged 3.9 years from request to operation. GridCensus catalogs 300 MW of candidate capacity here.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
Incentives available; PSC review for very large loads.
Alabama PSC review threshold for large loads.
Incentive detail: Sales & use tax abatement on qualifying equipment. $400M+ investment threshold.
Site location
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How does Greenfield (MADISON PARK - SNOWDOUN) compare with other sites in Montgomery County?
Greenfield (MADISON PARK - SNOWDOUN) ranks 47th of 99 scored candidate sites in Montgomery County. Its 58.6/100 is roughly in line with the county average of 59.1. It is roughly in line with the Alabama average of 55.0 and about 10% above the national average of 53.2.
Against the Alabama average, its strongest sub-score is fiber connectivity (77 vs 66) and its weakest is speed to power (58 vs 58). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (MADISON PARK - SNOWDOUN) to power, fiber and other datacenters?
The nearest mapped substation, MADISON PARK, is the closest grid connection point on record and operates at 230 kV. For connectivity, the nearest internet exchange facility is RSA Dexter Avenue Datacenter at 14 miles. 11 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is RSA Dexter Avenue Datacenter, 14 miles away.
What are the flood, water and hazard risks at Greenfield (MADISON PARK - SNOWDOUN)?
At the county level, FEMA's National Risk Index rates Montgomery County "Relatively High".
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 Montgomery County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SNOWDOUN | Substation-Adjacent | 500 kV | 1,000 MW | 3.9 yrs | 69.6 |
| WEST MONTGOMERY | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 67.2 |
| SOUTH MONTGOMERY | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 66.2 |
| MONTGOMERY SWITCHING STATION | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 66.2 |
| TAP146014 | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 66.1 |
| UNKNOWN109716 | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 65.9 |
| UNKNOWN109215 | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 63.0 |
| TAP146036 | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 63.0 |
Greenfield (MADISON PARK - SNOWDOUN): common questions
What is the DC Readiness score of Greenfield (MADISON PARK - SNOWDOUN)?
Greenfield (MADISON PARK - SNOWDOUN) scores 58.6/100 on the GridCensus DC Readiness scale, rated good. It ranks 47th of 99 scored sites in Montgomery County. The Montgomery County average is 59.1 and the Alabama average is 55.0.
What is the nearest substation to Greenfield (MADISON PARK - SNOWDOUN)?
The nearest mapped substation is MADISON PARK, at 230 kV. GridCensus catalogs 300 MW of candidate capacity for the site.
Which electric utility serves Greenfield (MADISON PARK - SNOWDOUN)?
ALABAMA POWER CO (investor owned) holds the retail service territory that contains the site; its holding company is SOUTHERN COMPANY.
What grid region is Greenfield (MADISON PARK - SNOWDOUN) in?
Greenfield (MADISON PARK - SNOWDOUN) is in the SERC region. Projects interconnecting there have averaged a 3.9-year wait from queue request to operation.
How far is Greenfield (MADISON PARK - SNOWDOUN) from an internet exchange?
The nearest internet exchange facility is RSA Dexter Avenue Datacenter, about 14 miles away; 11 fiber providers report service at the location.
Related pages
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Greenfield (MADISON PARK - SNOWDOUN), Montgomery County, AL”, https://gridcensus.com/datacenter-sites/alabama/montgomery-county/greenfield-madison-park-snowdoun-5b845955 (data as of October 10, 2026).
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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