Substation-Adjacent Datacenter Sites in Indiana
At a glance
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
Top substation-adjacent sites in Indiana
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| UNKNOWN124886 | Substation-Adjacent | Dearborn County | 345 kV | 600 MW | 3.0 yrs | 71.1 |
| BROWN (345 KV) | Substation-Adjacent | Vanderburgh County | 345 kV | 600 MW | 3.0 yrs | 70.8 |
| OLIVE | Substation-Adjacent | St. Joseph County | 345 kV | 600 MW | 3.0 yrs | 70.2 |
| UNKNOWN124909 | Substation-Adjacent | Floyd County | 230 kV | 300 MW | 3.0 yrs | 69.5 |
| UNKNOWN124504 | Substation-Adjacent | Marion County | 345 kV | 600 MW | 3.0 yrs | 68.7 |
| COLUMBUS (345KV) | Substation-Adjacent | Bartholomew County | 345 kV | 600 MW | 3.0 yrs | 68.2 |
| NOBLESVILLE | Substation-Adjacent | Hamilton County | 345 kV | 600 MW | 3.0 yrs | 67.7 |
| UNKNOWN123368 | Substation-Adjacent | Tippecanoe County | 345 kV | 600 MW | 3.0 yrs | 67.7 |
| DEQUINE | Substation-Adjacent | Tippecanoe County | 345 kV | 600 MW | 3.0 yrs | 67.6 |
| HANNA | Substation-Adjacent | Marion County | 345 kV | 600 MW | 3.0 yrs | 67.5 |
| SORENSON | Substation-Adjacent | Huntington County | 765 kV | 1,000 MW | 3.0 yrs | 67.4 |
| UNKNOWN124618 | Substation-Adjacent | Vigo County | 345 kV | 600 MW | 3.0 yrs | 67.3 |
| UNKNOWN125074 | Substation-Adjacent | Johnson County | 345 kV | 600 MW | 3.0 yrs | 67.3 |
| GUION | Substation-Adjacent | Marion County | 345 kV | 600 MW | 3.0 yrs | 67.3 |
| ROCKVILLE | Substation-Adjacent | Marion County | 345 kV | 600 MW | 3.0 yrs | 67.2 |
| SUNNYSIDE | Substation-Adjacent | Marion County | 345 kV | 600 MW | 3.0 yrs | 67.2 |
| SCHAHFER STATION | Substation-Adjacent | Jasper County | 345 kV | 600 MW | 3.0 yrs | 67.2 |
| LAFAYETTE 230 | Substation-Adjacent | Tippecanoe County | 230 kV | 300 MW | 3.0 yrs | 67.1 |
| PADDYS WEST | Substation-Adjacent | Floyd County | 345 kV | 600 MW | 3.0 yrs | 67.0 |
| RISER167168 | Substation-Adjacent | Marion County | 345 kV | 600 MW | 3.0 yrs | 67.0 |
| ROCKPORT STATION | Substation-Adjacent | Spencer County | 765 kV | 1,000 MW | 3.0 yrs | 66.9 |
| PETERSBURG STATION | Substation-Adjacent | Pike County | 345 kV | 600 MW | 3.0 yrs | 66.9 |
| WHITESTOWN | Substation-Adjacent | Boone County | 345 kV | 600 MW | 3.0 yrs | 66.9 |
| KENZIG | Substation-Adjacent | Floyd County | 345 kV | 600 MW | 3.0 yrs | 66.8 |
| HIPLE | Substation-Adjacent | LaGrange County | 345 kV | 600 MW | 3.0 yrs | 66.8 |
How does Indiana compare with other states for substation-adjacent sites?
With 1,024 sites, Indiana ranks 13th of the 52 states that have any substation-adjacent candidate sites. Texas leads with 3,635. Nationally, substation-adjacent sites average 57.4/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Indiana averages 53.8, the 25th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 3.0 years.
Where are the highest-scoring substation-adjacent sites in Indiana?
The top 25 range from 71.1 to 66.8 on the 0–100 DC Readiness Score. They are concentrated in Marion County (6), Floyd County (3) and Tippecanoe County (3). By grid region, 23 are in MISO and 2 are in PJM.
County pages: Marion County · Floyd County · Tippecanoe County · Dearborn County
What power, fiber and flood exposure do these substation-adjacent sites have?
Of the top 25 substation-adjacent sites in Indiana, 25 have a recorded nearest-substation voltage, with a median of 345 kV; for 25 that substation is rated 230 kV or higher. Their counties have a median of 12 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 12 km. The median interconnection-queue wait in their markets is 3.0 years. None of the 4 with a mapped FEMA flood zone sits in a high-risk (A or V) zone. 1 lies within 25 km of a binding transmission constraint.
Frequently asked questions
How many substation-adjacent datacenter sites are in Indiana?
GridCensus catalogs 1,024 substation-adjacent datacenter candidate sites in Indiana, 3% of the national total for this type (13th of 52 states).
What is a substation-adjacent datacenter site?
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
What is the best substation-adjacent datacenter site in Indiana?
By DC Readiness Score, UNKNOWN124886 in Dearborn County ranks first at 71.1/100, followed by BROWN (345 KV) in Vanderburgh County at 70.8.
Which Indiana counties have the best substation-adjacent sites?
The top 25 substation-adjacent sites in Indiana are concentrated in Marion County (6), Floyd County (3) and Tippecanoe County (3).
How does Indiana score for datacenters overall?
All 8,629 scored sites in Indiana average 53.8/100 DC Readiness, the 25th-highest of 52 states, against a national average of 53.0.
More on substation-adjacent sites and Indiana
- All datacenter sites in Indiana· 8,629 sites
- Substation-Adjacent datacenter sites nationwide· 38,820 sites
- Manufacturing sites in Indiana· 5,274 sites
- Industrial sites in Indiana· 1,319 sites
- Greenfield sites in Indiana· 492 sites
- Former Mine sites in Indiana· 457 sites
- Federal Excess sites in Indiana· 47 sites
- Brownfield sites in Indiana· 13 sites
Substation-Adjacent sites in other states
- Substation-Adjacent sites in Texas· 3,635 sites
- Substation-Adjacent sites in California· 1,573 sites
- Substation-Adjacent sites in Florida· 1,539 sites
- Substation-Adjacent sites in Georgia· 1,530 sites
- Substation-Adjacent sites in Oklahoma· 1,344 sites
- Substation-Adjacent sites in Washington· 1,343 sites
- Substation-Adjacent sites in Minnesota· 1,270 sites
- Substation-Adjacent sites in Kentucky· 1,261 sites
Dataset updated . Screening estimates derived from public data sources.
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, “Substation-Adjacent datacenter sites in Indiana”, https://gridcensus.com/site-types/substation/indiana (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Substation-Adjacent sites in Indiana 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.