UNION
Substation-AdjacentClayton County, Georgia · SERC
At a glance
UNION is a substation-adjacent datacenter candidate site in Clayton County, Georgia, scoring 69.7/100 DC Readiness — 1st of 42 scored sites in the county. Its nearest substation is UNION (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 UNION compare with other sites in Clayton County?
UNION ranks 1st of 42 scored candidate sites in Clayton County. Its 69.7/100 is about 13% above the county average of 61.6. It is about 22% above the Georgia average of 57.1 and about 31% 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 UNION to power, fiber and other datacenters?
The nearest mapped substation, UNION, is about 0 miles away and operates at 500 kV. For connectivity, the nearest internet exchange facility is QTS Atlanta-Fayetteville (ATL2) at 7.2 miles. 11 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is QTS, 6.3 miles away.
What are the flood, water and hazard risks at UNION?
At the county level, FEMA's National Risk Index rates Clayton 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 Clayton County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| O'HARA | Substation-Adjacent | 500 kV | 1,000 MW | 5.8 yrs | 69.5 |
| UNKNOWN113564 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 65.5 |
| UNKNOWN116018 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 65.2 |
| UNKNOWN111557 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 65.2 |
| UNKNOWN111558 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 65.1 |
| UNKNOWN116244 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 65.0 |
| UNKNOWN116019 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 64.7 |
| UNKNOWN111561 | Substation-Adjacent | 115 kV | 100 MW | 5.8 yrs | 62.2 |
UNION: common questions
What is the DC Readiness score of UNION?
UNION scores 69.7/100 on the GridCensus DC Readiness scale, rated good. It ranks 1st of 42 scored sites in Clayton County. The Clayton County average is 61.6 and the Georgia average is 57.1.
What is the nearest substation to UNION?
The nearest mapped substation is UNION, about 0 miles away, at 500 kV. GridCensus catalogs 1,000 MW of candidate capacity for the site.
Which electric utility serves UNION?
GEORGIA POWER CO (investor owned) holds the retail service territory that contains the site; its holding company is SOUTHERN COMPANY.
What grid region is UNION in?
UNION is in the SERC region. Projects interconnecting there have averaged a 5.8-year wait from queue request to operation.
How far is UNION from an internet exchange?
The nearest internet exchange facility is QTS Atlanta-Fayetteville (ATL2), about 7.2 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, “UNION, Clayton County, GA”, https://gridcensus.com/datacenter-sites/georgia/clayton-county/union-7940dd0c (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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