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Datacenter Sites in Sangamon County, Illinois

Sangamon County has 72 scored datacenter candidate sites averaging 53.1/100 DC Readiness, with a catalogued aggregate of 4,400 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.

At a glance

Sangamon County, Illinois has 72 scored datacenter candidate sites averaging 53.1/100 DC Readiness, roughly in line with the Illinois average of 53.6. It ranks 10th of 101 Illinois counties by number of sites and 76th by average score. The top-scoring site is AUSTIN at 62.3/100.

72
Candidate sites
53.1/100
Avg DC Readiness
4,400 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Sangamon County

Site-selection context for Sangamon County

Yessales_tax_exemption
Datacenter tax incentive
10.59¢/kWh
Commercial electricity
7.10¢/kWh
Industrial electricity
14
Fiber providers
Low
Water stress
$7,261
Land price / acre
1,100
Cooling degree days
5,600
Heating degree days
52°F
Mean annual temp

Incentive detail: Enterprise Zone sales tax exemption; High Impact Business designation for $12M+ DC investments.

How does Sangamon County compare with other counties in Illinois?

By number of scored sites, Sangamon County ranks 10th of the 101 Illinois counties with a county page, holding 2.0% of the state's 3,641 sites. Its average DC Readiness of 53.1/100 ranks 76th in the state and is roughly in line with the national average of 53.0. Nationally it has the 500th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 23 score 55 or higher.

What types of datacenter sites are in Sangamon County?

Substation-Adjacent sites are the most common (35, 49% of the county's inventory), followed by greenfield (15) and industrial (10). 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 Sangamon County?

Industrial electricity averages 7.10¢/kWh and commercial 10.59¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (35). WRI water stress is low. 14 fiber providers report service in the county. The climate runs 1,100 cooling degree days a year with a mean temperature of 52°F. Land is valued around $7,261 an acre.

By site type

Top datacenter sites in Sangamon County

Top datacenter sites in Sangamon County
SiteTypeVoltageCapacityQueue waitScore
LANESVILLESubstation-Adjacent345 kV600 MW4.8 yrs62.3
AUSTINSubstation-Adjacent345 kV600 MW4.8 yrs62.3
PAWNEESubstation-Adjacent345 kV600 MW4.8 yrs62.2
TAP139415Substation-Adjacent138 kV100 MW4.8 yrs59.0
EC Coal Sangamon CountyGreenfield——4.8 yrs58.5
EC Near DallmanGreenfield——4.8 yrs58.0
EC Coal Sangamon CountyGreenfield——4.8 yrs57.7
UNKNOWN122577Substation-Adjacent138 kV100 MW4.8 yrs56.5
UNKNOWN156570Substation-Adjacent138 kV100 MW4.8 yrs56.5
UNKNOWN156572Substation-Adjacent138 kV100 MW4.8 yrs56.5
UNKNOWN122769Substation-Adjacent138 kV100 MW4.8 yrs56.5
UNKNOWN122555Substation-Adjacent138 kV100 MW4.8 yrs56.5
EC Coal Sangamon CountyGreenfield——4.8 yrs56.3
EC Near DallmanGreenfield——4.8 yrs55.9
UNKNOWN122095Substation-Adjacent138 kV100 MW4.8 yrs55.7
EASY SPRINGFIELDSubstation-Adjacent138 kV100 MW4.8 yrs55.7
UNKNOWN122113Substation-Adjacent138 kV100 MW4.8 yrs55.7
UNKNOWN122106Substation-Adjacent138 kV100 MW4.8 yrs55.7
TAP139413Substation-Adjacent138 kV100 MW4.8 yrs55.6
UNKNOWN122571Substation-Adjacent138 kV100 MW4.8 yrs55.6
CWLPSubstation-Adjacent138 kV100 MW4.8 yrs55.6
UNKNOWN122572Substation-Adjacent138 kV100 MW4.8 yrs55.5
EC Coal Sangamon CountyGreenfield——4.8 yrs55.3
EC Near DallmanGreenfield——4.8 yrs54.6
EC Near DallmanGreenfield——4.8 yrs54.4

Every scored site in Sangamon County

All 72 sites, best first.

Sangamon County datacenter FAQ

How many datacenter sites are in Sangamon County?

72 scored datacenter candidate sites, averaging 53.1/100 DC Readiness. That is the 10th-most of 101 Illinois counties with five or more sites.

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

AUSTIN scores 62.3/100 DC Readiness, the highest of the 72 scored sites in Sangamon County (a substation-adjacent site).

Does Sangamon County offer datacenter tax incentives?

Enterprise Zone sales tax exemption; High Impact Business designation for $12M+ DC investments.

What is the natural-hazard risk in Sangamon County?

FEMA's National Risk Index rates Sangamon County as "Relatively High" (score 35).

What are industrial electricity rates in Sangamon County?

Average industrial electricity is 7.10¢/kWh and commercial is 10.59¢/kWh in Sangamon County.

More in Illinois

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 Sangamon County, Illinois”, https://gridcensus.com/datacenter-sites/illinois/sangamon-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 Sangamon County, Illinois 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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