Greenfield (TWIN GROVE - APOLLO ACHARES - )
GreenfieldTazewell County, Illinois · MISO
At a glance
Greenfield (TWIN GROVE - APOLLO ACHARES - ) is a greenfield datacenter candidate site in Tazewell County, Illinois, scoring 51.9/100 DC Readiness — 47th of 47 scored sites in the county. Its nearest substation is TWIN GROVE - APOLLO ACHARES. It sits in the MISO grid region and the CORN BELT ENERGY CORPORATION service territory, where interconnection has averaged 4.8 years from request to operation. GridCensus catalogs 100 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
New-DC state tax exemptions suspended for 2 years (from Jul 2026).
Incentive detail: Enterprise Zone sales tax exemption; High Impact Business designation for $12M+ DC investments.
Site location
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How does Greenfield (TWIN GROVE - APOLLO ACHARES - ) compare with other sites in Tazewell County?
Greenfield (TWIN GROVE - APOLLO ACHARES - ) ranks 47th of 47 scored candidate sites in Tazewell County. Its 51.9/100 is about 11% below the county average of 58.4. It is roughly in line with the Illinois average of 54.3 and roughly in line with the national average of 53.2.
Against the Illinois average, its strongest sub-score is fiber connectivity (75 vs 71) and its weakest is power availability (30 vs 37). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (TWIN GROVE - APOLLO ACHARES - ) to power, fiber and other datacenters?
The nearest mapped substation, TWIN GROVE - APOLLO ACHARES, is the closest grid connection point on record and operates at 138 kV. The nearest located transmission bottleneck is 12 DRESDEN 45TR81 CT H 345 KV (PJM), 76 miles away. For connectivity, the nearest internet exchange facility is SFN IL-Peoria at 25.1 miles. 13 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is SFN IL-Peoria, 25.1 miles away.
What are the flood, water and hazard risks at Greenfield (TWIN GROVE - APOLLO ACHARES - )?
At the county level, FEMA's National Risk Index rates Tazewell 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 Tazewell County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| RISER159741 | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.6 |
| POWERTON STATION | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.2 |
| UNKNOWN122603 | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.2 |
| TAZEWELL | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.1 |
| OZ Tazewell | Greenfield | — | — | 4.8 yrs | 64.0 |
| UNKNOWN122868 | Substation-Adjacent | 138 kV | 100 MW | 4.8 yrs | 61.3 |
| UNKNOWN122930 | Substation-Adjacent | 138 kV | 100 MW | 4.8 yrs | 61.2 |
| UNKNOWN123085 | Substation-Adjacent | 138 kV | 100 MW | 4.8 yrs | 61.1 |
Greenfield (TWIN GROVE - APOLLO ACHARES - ): common questions
What is the DC Readiness score of Greenfield (TWIN GROVE - APOLLO ACHARES - )?
Greenfield (TWIN GROVE - APOLLO ACHARES - ) scores 51.9/100 on the GridCensus DC Readiness scale, rated fair. It ranks 47th of 47 scored sites in Tazewell County. The Tazewell County average is 58.4 and the Illinois average is 54.3.
What is the nearest substation to Greenfield (TWIN GROVE - APOLLO ACHARES - )?
The nearest mapped substation is TWIN GROVE - APOLLO ACHARES, at 138 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves Greenfield (TWIN GROVE - APOLLO ACHARES - )?
CORN BELT ENERGY CORPORATION (cooperative) holds the retail service territory that contains the site.
What grid region is Greenfield (TWIN GROVE - APOLLO ACHARES - ) in?
Greenfield (TWIN GROVE - APOLLO ACHARES - ) is in the MISO region. Projects interconnecting there have averaged a 4.8-year wait from queue request to operation.
How far is Greenfield (TWIN GROVE - APOLLO ACHARES - ) from an internet exchange?
The nearest internet exchange facility is SFN IL-Peoria, about 25.1 miles away; 13 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 (TWIN GROVE - APOLLO ACHARES - ), Tazewell County, IL”, https://gridcensus.com/datacenter-sites/illinois/tazewell-county/greenfield-twin-grove-apollo-achares-4584f4cd (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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