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DataCentersExposed
Operating

CoreSite AT1

55 Marietta Street · Atlanta, Fulton County, GA

Source: OpenStreetMap

CoreSite AT1 is an operating data center in Fulton County, GA, operated by CoreSite, LLC and ultimately owned by American Tower Corporation.

Reporting by · Updated Jun 14, 2026

Real parent
American Tower Corporation
Operator
CoreSite, LLC
Utility
Georgia Power Co
Grid
SOCO
Attribution & capacity confidence:mediumprimary source
Status · click to filter

Most sites are mapped — located but awaiting a second source. How we verify

Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.

Overview

source: link

CoreSite AT1 is an operating data center in Atlanta, Fulton County, Georgia, run by CoreSite, LLC and owned through its ultimate parent, American Tower Corporation. The site draws power from Georgia Power Co inside the SOCO balancing authority.

Operator chain

Tax breaks & subsidies

source: Good Jobs First / GASB 77

No per-deal tax break is linked to this site yet. No state discloses the recipient of a data-center abatement at the facility level, so per-site deals are rare in the public record. If you have a development agreement or board resolution for this site, send it to us.

Statewide cost of this incentive

Georgia reported $474.2M in High-Technology Data Center Equipment Sales and Use Tax Exemption (O.C.G.A. § 48-8-3(68.1)) for FY2025 (Georgia Department of Audits and Accounts (DOAA); economic analysis by UGA Carl Vinson Institute of Government). Program-wide, not attributable to this site.

source · All Georgia subsidies →

Water use

No public record of this facility's water use. We check state withdrawal reporting for self-supplied sites; municipally supplied sites only become visible through a public-records request to the local water utility — a per-facility request tool is coming. If you have a utility document for this site, send it to us.

EPA permits & violations

source: EPA ECHO

No reported violations as of last sync.

Air quality near this site

source: AirNow
60
PM2.5
Moderate
49
O3
Good
19
PM10
Good

Air Quality Index from the nearest AirNow reporting area (Atlanta), as of 2026-06-10. Regional context — not this facility's own emissions.

Who lives nearby

source: Census ACS 2023
Median household income
$55K
People of color
74%
Below poverty
27%
Tract population
1,857

Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.

Nearest school

source: HIFLD / NCES

The nearest public school, Department Of Human Resources in Atlanta, is 781 ft from this site. 3 public schools sit within a mile of the site.

Schools are sensitive receptors for the noise, backup-generator exhaust, and traffic a large data center brings. Straight-line distance to the nearest public school (HIFLD/NCES, US public schools only).

Hearings timeline

No public-hearing records linked to this site yet. We surface planning-commission and board-of-supervisors dates when a record names a facility. If you know of a hearing on this site, tell us.