MADISON
Substation-AdjacentMadison County, Alabama · SERC
At a glance
MADISON is a substation-adjacent datacenter candidate site in Madison County, Alabama, scoring 71.1/100 DC Readiness — 1st of 34 scored sites in the county. Its nearest substation is MADISON (0 mi, 500 kV). It sits in the SERC grid region and the CITY OF HUNTSVILLE - (AL) service territory, where interconnection has averaged 3.9 years from request to operation. GridCensus catalogs 1,000 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 MADISON compare with other sites in Madison County?
MADISON ranks 1st of 34 scored candidate sites in Madison County. Its 71.1/100 is about 14% above the county average of 62.4. It is about 29% above the Alabama average of 55.0 and about 34% above the national average of 53.2.
Against the Alabama average, its strongest sub-score is power availability (100 vs 41) 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 MADISON to power, fiber and other datacenters?
The nearest mapped substation, MADISON, is about 0 miles away and operates at 500 kV. For connectivity, the nearest internet exchange facility is Peace Communications HSV1 at 7.8 miles. 13 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Meta Huntsville Data center, 6.8 miles away.
What are the flood, water and hazard risks at MADISON?
At the county level, FEMA's National Risk Index rates Madison 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 Madison County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| USARMY/NASA Redstone Arsenal | Brownfield | — | 10 MW | 3.9 yrs | 69.2 |
| OZ Madison | Greenfield | — | — | 3.9 yrs | 66.3 |
| OZ Madison | Greenfield | — | — | 3.9 yrs | 65.7 |
| OZ Madison | Greenfield | — | — | 3.9 yrs | 65.6 |
| HUNTSVILLE | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 64.7 |
| UNKNOWN114304 | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 64.7 |
| TAP155769 | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 64.7 |
| TAP153429 | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 64.5 |
MADISON: common questions
What is the DC Readiness score of MADISON?
MADISON scores 71.1/100 on the GridCensus DC Readiness scale, rated excellent. It ranks 1st of 34 scored sites in Madison County. The Madison County average is 62.4 and the Alabama average is 55.0.
What is the nearest substation to MADISON?
The nearest mapped substation is MADISON, about 0 miles away, at 500 kV. GridCensus catalogs 1,000 MW of candidate capacity for the site.
Which electric utility serves MADISON?
CITY OF HUNTSVILLE - (AL) (municipal) holds the retail service territory that contains the site.
What grid region is MADISON in?
MADISON is in the SERC region. Projects interconnecting there have averaged a 3.9-year wait from queue request to operation.
How far is MADISON from an internet exchange?
The nearest internet exchange facility is Peace Communications HSV1, about 7.8 miles away; 13 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, “MADISON, Madison County, AL”, https://gridcensus.com/datacenter-sites/alabama/madison-county/madison-36332e24 (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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