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Datacenter Sites in Cobb County, Georgia

Cobb County has 63 scored datacenter candidate sites averaging 62.3/100 DC Readiness, with a catalogued aggregate of 11,300 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.

At a glance

Cobb County, Georgia has 63 scored datacenter candidate sites averaging 62.3/100 DC Readiness, roughly in line with the Georgia average of 57.1. It ranks 4th of 130 Georgia counties by number of sites and 2nd by average score. The top-scoring site is BIG SHANTY at 70.1/100.

63
Candidate sites
62.3/100
Avg DC Readiness
11,300 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Cobb County

Site-selection context for Cobb County

Yessales_tax_exemption
Datacenter tax incentive
11.31¢/kWh
Commercial electricity
7.68¢/kWh
Industrial electricity
13
Fiber providers
Low-Medium
Water stress
$21,524
Land price / acre
2,200
Cooling degree days
2,400
Heating degree days
64°F
Mean annual temp

Incentive detail: Sales tax exemption on data processing equipment; investment tax credits for $150M+ projects.

How does Cobb County compare with other counties in Georgia?

By number of scored sites, Cobb County ranks 4th of the 130 Georgia counties with a county page, holding 2.5% of the state's 2,478 sites. Its average DC Readiness of 62.3/100 ranks 2nd in the state and is about 18% above the national average of 53.0. Nationally it has the 584th-largest site inventory of 2,964 counties with five or more sites. One site scores 70 or higher and 63 score 55 or higher.

What types of datacenter sites are in Cobb County?

Substation-Adjacent sites are the most common (61, 97% of the county's inventory), followed by greenfield (2). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.

What are power cost, hazard, water and fiber conditions in Cobb County?

Industrial electricity averages 7.68¢/kWh and commercial 11.31¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (40). WRI water stress is low-medium. 13 fiber providers report service in the county. The climate runs 2,200 cooling degree days a year with a mean temperature of 64°F. Land is valued around $21,524 an acre.

By site type

Top datacenter sites in Cobb County

Top datacenter sites in Cobb County
SiteTypeVoltageCapacityQueue waitScore
BIG SHANTYSubstation-Adjacent500 kV1,000 MW5.8 yrs70.1
BULL SLUICESubstation-Adjacent500 kV1,000 MW5.8 yrs69.0
UNKNOWN116281Substation-Adjacent230 kV300 MW5.8 yrs66.1
UNKNOWN111519Substation-Adjacent230 kV300 MW5.8 yrs66.0
UNKNOWN116279Substation-Adjacent230 kV300 MW5.8 yrs66.0
UNKNOWN111540Substation-Adjacent230 kV300 MW5.8 yrs65.7
UNKNOWN111523Substation-Adjacent230 kV300 MW5.8 yrs65.7
UNKNOWN115907Substation-Adjacent230 kV300 MW5.8 yrs65.1
UNKNOWN116287Substation-Adjacent230 kV300 MW5.8 yrs64.9
UNKNOWN116556Substation-Adjacent230 kV300 MW5.8 yrs64.8
UNKNOWN116555Substation-Adjacent230 kV300 MW5.8 yrs64.6
UNKNOWN116277Substation-Adjacent230 kV300 MW5.8 yrs64.6
TAP151312Substation-Adjacent230 kV300 MW5.8 yrs64.6
UNKNOWN133885Substation-Adjacent230 kV300 MW5.8 yrs64.6
UNKNOWN116276Substation-Adjacent230 kV300 MW5.8 yrs64.5
EC Near Jack McDonoughGreenfield——5.8 yrs64.5
UNKNOWN115919Substation-Adjacent230 kV300 MW5.8 yrs64.5
UNKNOWN111158Substation-Adjacent230 kV300 MW5.8 yrs64.5
UNKNOWN115918Substation-Adjacent230 kV300 MW5.8 yrs64.5
UNKNOWN115912Substation-Adjacent230 kV300 MW5.8 yrs64.0
TAP151315Substation-Adjacent115 kV100 MW5.8 yrs61.8
TAP142621Substation-Adjacent115 kV100 MW5.8 yrs61.8
TAP142622Substation-Adjacent115 kV100 MW5.8 yrs61.8
UNKNOWN116289Substation-Adjacent115 kV100 MW5.8 yrs61.8
UNKNOWN116284Substation-Adjacent115 kV100 MW5.8 yrs61.8

Every scored site in Cobb County

All 63 sites, best first.

Cobb County datacenter FAQ

How many datacenter sites are in Cobb County?

63 scored datacenter candidate sites, averaging 62.3/100 DC Readiness. That is the 4th-most of 130 Georgia counties with five or more sites.

What is the highest-scoring datacenter site in Cobb County?

BIG SHANTY scores 70.1/100 DC Readiness, the highest of the 63 scored sites in Cobb County (a substation-adjacent site).

Does Cobb County offer datacenter tax incentives?

Sales tax exemption on data processing equipment; investment tax credits for $150M+ projects.

What is the natural-hazard risk in Cobb County?

FEMA's National Risk Index rates Cobb County as "Relatively High" (score 40).

What are industrial electricity rates in Cobb County?

Average industrial electricity is 7.68¢/kWh and commercial is 11.31¢/kWh in Cobb County.

More in Georgia

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 November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in Cobb County, Georgia”, https://gridcensus.com/datacenter-sites/georgia/cobb-county (data as of November 12, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Cobb County, Georgia is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.

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