Greenfield (H NEELY HENRY DAM - TAP145854)
GreenfieldCalhoun County, Alabama · SERC
At a glance
Greenfield (H NEELY HENRY DAM - TAP145854) is a greenfield datacenter candidate site in Calhoun County, Alabama, scoring 50.8/100 DC Readiness — 37th of 46 scored sites in the county. Its nearest substation is H NEELY HENRY DAM. 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 100 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 (H NEELY HENRY DAM - TAP145854) compare with other sites in Calhoun County?
Greenfield (H NEELY HENRY DAM - TAP145854) ranks 37th of 46 scored candidate sites in Calhoun County. Its 50.8/100 is roughly in line with the county average of 55.1. It is roughly in line with the Alabama average of 55.0 and roughly in line with the national average of 53.2.
Against the Alabama average, its strongest sub-score is natural hazard (55 vs 54) and its weakest is power availability (28 vs 41). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (H NEELY HENRY DAM - TAP145854) to power, fiber and other datacenters?
The nearest mapped substation, H NEELY HENRY DAM, is the closest grid connection point on record and operates at 115 kV. For connectivity, the nearest internet exchange facility is DC BLOX BHM1 - DCBLOX Birmingham at 51 miles. 4 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is DC Blox Data Center, 50.9 miles away.
What are the flood, water and hazard risks at Greenfield (H NEELY HENRY DAM - TAP145854)?
At the county level, FEMA's National Risk Index rates Calhoun 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 Calhoun County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Anniston Army Depot | Brownfield | — | 7 MW | 3.9 yrs | 63.2 |
| UNKNOWN110198 | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 61.7 |
| UNKNOWN109577 | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 61.6 |
| TAP145804 | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 61.5 |
| OZ Calhoun | Greenfield | — | — | 3.9 yrs | 59.6 |
| OXFORD | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 57.3 |
| UNKNOWN111276 | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 57.3 |
| OXANNA | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 57.3 |
Greenfield (H NEELY HENRY DAM - TAP145854): common questions
What is the DC Readiness score of Greenfield (H NEELY HENRY DAM - TAP145854)?
Greenfield (H NEELY HENRY DAM - TAP145854) scores 50.8/100 on the GridCensus DC Readiness scale, rated fair. It ranks 37th of 46 scored sites in Calhoun County. The Calhoun County average is 55.1 and the Alabama average is 55.0.
What is the nearest substation to Greenfield (H NEELY HENRY DAM - TAP145854)?
The nearest mapped substation is H NEELY HENRY DAM, at 115 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves Greenfield (H NEELY HENRY DAM - TAP145854)?
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 (H NEELY HENRY DAM - TAP145854) in?
Greenfield (H NEELY HENRY DAM - TAP145854) is in the SERC region. Projects interconnecting there have averaged a 3.9-year wait from queue request to operation.
How far is Greenfield (H NEELY HENRY DAM - TAP145854) from an internet exchange?
The nearest internet exchange facility is DC BLOX BHM1 - DCBLOX Birmingham, about 51 miles away; 4 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 (H NEELY HENRY DAM - TAP145854), Calhoun County, AL”, https://gridcensus.com/datacenter-sites/alabama/calhoun-county/greenfield-h-neely-henry-dam-tap145854-c4fdb4f4 (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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