BIG SHANTY
Substation-AdjacentCobb County, Georgia · SERC
At a glance
BIG SHANTY is a substation-adjacent datacenter candidate site in Cobb County, Georgia, scoring 70.1/100 DC Readiness — 1st of 63 scored sites in the county. Its nearest substation is BIG SHANTY (0 mi, 500 kV). It sits in the SERC grid region and the GEORGIA POWER CO service territory, where interconnection has averaged 5.8 years from request to operation. GridCensus catalogs 1,000 MW of candidate capacity here.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
Active incentives; Georgia Power courts large load with bring-your-own clean-energy options.
Georgia Power billing/contract rules apply to very large loads.
Incentive detail: Sales tax exemption on data processing equipment; investment tax credits for $150M+ projects.
Site location
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How does BIG SHANTY compare with other sites in Cobb County?
BIG SHANTY ranks 1st of 63 scored candidate sites in Cobb County. Its 70.1/100 is about 13% above the county average of 62.3. It is about 23% above the Georgia average of 57.1 and about 32% above the national average of 53.2.
Against the Georgia average, its strongest sub-score is power availability (100 vs 50) and its weakest is speed to power (55 vs 56). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is BIG SHANTY to power, fiber and other datacenters?
The nearest mapped substation, BIG SHANTY, is about 0 miles away and operates at 500 kV. For connectivity, the nearest internet exchange facility is PhoenixNAP ATLANTA at 6.7 miles. 13 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is AT2 Marietta, 3.1 miles away.
What are the flood, water and hazard risks at BIG SHANTY?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). At the county level, FEMA's National Risk Index rates Cobb 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 Cobb County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| BULL SLUICE | Substation-Adjacent | 500 kV | 1,000 MW | 5.8 yrs | 69.0 |
| UNKNOWN116281 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 66.1 |
| UNKNOWN111519 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 66.0 |
| UNKNOWN116279 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 66.0 |
| UNKNOWN111523 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 65.7 |
| UNKNOWN111540 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 65.7 |
| UNKNOWN115907 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 65.1 |
| UNKNOWN116287 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 64.9 |
BIG SHANTY: common questions
What is the DC Readiness score of BIG SHANTY?
BIG SHANTY scores 70.1/100 on the GridCensus DC Readiness scale, rated excellent. It ranks 1st of 63 scored sites in Cobb County. The Cobb County average is 62.3 and the Georgia average is 57.1.
What is the nearest substation to BIG SHANTY?
The nearest mapped substation is BIG SHANTY, about 0 miles away, at 500 kV. GridCensus catalogs 1,000 MW of candidate capacity for the site.
Which electric utility serves BIG SHANTY?
GEORGIA POWER CO (investor owned) holds the retail service territory that contains the site; its holding company is SOUTHERN COMPANY.
What grid region is BIG SHANTY in?
BIG SHANTY is in the SERC region. Projects interconnecting there have averaged a 5.8-year wait from queue request to operation.
Is BIG SHANTY in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
How far is BIG SHANTY from an internet exchange?
The nearest internet exchange facility is PhoenixNAP ATLANTA, about 6.7 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, “BIG SHANTY, Cobb County, GA”, https://gridcensus.com/datacenter-sites/georgia/cobb-county/big-shanty-1628a3d4 (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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