Greenfield (UNKNOWN110063 - ROCK SPRING)
GreenfieldWhitfield County, Georgia · SERC
At a glance
Greenfield (UNKNOWN110063 - ROCK SPRING) is a greenfield datacenter candidate site in Whitfield County, Georgia, scoring 56.2/100 DC Readiness — 26th of 30 scored sites in the county. Its nearest substation is UNKNOWN110063. 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 300 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 Greenfield (UNKNOWN110063 - ROCK SPRING) compare with other sites in Whitfield County?
Greenfield (UNKNOWN110063 - ROCK SPRING) ranks 26th of 30 scored candidate sites in Whitfield County. Its 56.2/100 is roughly in line with the county average of 58.8. It is roughly in line with the Georgia average of 57.1 and roughly in line with the national average of 53.2.
Against the Georgia average, its strongest sub-score is natural hazard (60 vs 59) and its weakest is power availability (50 vs 50). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (UNKNOWN110063 - ROCK SPRING) to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN110063, is the closest grid connection point on record and operates at 230 kV. For connectivity, the nearest internet exchange facility is DC BLOX CHA1 - DCBLOX Chattanooga at 24.8 miles. 5 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is DC Blox Chattanooga, 24.8 miles away.
What are the flood, water and hazard risks at Greenfield (UNKNOWN110063 - ROCK SPRING)?
At the county level, FEMA's National Risk Index rates Whitfield 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 Whitfield County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN109914 | Substation-Adjacent | 500 kV | 1,000 MW | 5.8 yrs | 65.5 |
| UNKNOWN110116 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 63.1 |
| TAP161820 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 62.5 |
| TAP145923 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 62.3 |
| UNKNOWN172562 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 62.1 |
| UNKNOWN110063 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 62.0 |
| UNKNOWN109915 | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 62.0 |
| ALPHA | Substation-Adjacent | 230 kV | 300 MW | 5.8 yrs | 61.9 |
Greenfield (UNKNOWN110063 - ROCK SPRING): common questions
What is the DC Readiness score of Greenfield (UNKNOWN110063 - ROCK SPRING)?
Greenfield (UNKNOWN110063 - ROCK SPRING) scores 56.2/100 on the GridCensus DC Readiness scale, rated good. It ranks 26th of 30 scored sites in Whitfield County. The Whitfield County average is 58.8 and the Georgia average is 57.1.
What is the nearest substation to Greenfield (UNKNOWN110063 - ROCK SPRING)?
The nearest mapped substation is UNKNOWN110063, at 230 kV. GridCensus catalogs 300 MW of candidate capacity for the site.
Which electric utility serves Greenfield (UNKNOWN110063 - ROCK SPRING)?
GEORGIA POWER CO (investor owned) holds the retail service territory that contains the site; its holding company is SOUTHERN COMPANY.
What grid region is Greenfield (UNKNOWN110063 - ROCK SPRING) in?
Greenfield (UNKNOWN110063 - ROCK SPRING) is in the SERC region. Projects interconnecting there have averaged a 5.8-year wait from queue request to operation.
How far is Greenfield (UNKNOWN110063 - ROCK SPRING) from an internet exchange?
The nearest internet exchange facility is DC BLOX CHA1 - DCBLOX Chattanooga, about 24.8 miles away; 5 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 (UNKNOWN110063 - ROCK SPRING), Whitfield County, GA”, https://gridcensus.com/datacenter-sites/georgia/whitfield-county/greenfield-unknown110063-rock-spring-887c06e9 (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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