Substation-Adjacent Datacenter Sites in Missouri
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 Missouri
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| HAWTHORNE | Substation-Adjacent | Jackson County | 345 kV | 600 MW | 4.3 yrs | 70.2 |
| BROOKLINE | Substation-Adjacent | Greene County | 345 kV | 600 MW | 4.3 yrs | 68.4 |
| UNKNOWN117601 | Substation-Adjacent | Cass County | 345 kV | 600 MW | 4.3 yrs | 67.4 |
| MASON | Substation-Adjacent | St. Louis County | 345 kV | 600 MW | 4.3 yrs | 67.3 |
| UNKNOWN117735 | Substation-Adjacent | St. Louis city | 345 kV | 600 MW | 4.3 yrs | 67.0 |
| IATAN | Substation-Adjacent | Platte County | 345 kV | 600 MW | 4.3 yrs | 66.7 |
| SIBLEY | Substation-Adjacent | Ray County | 345 kV | 600 MW | 4.3 yrs | 66.6 |
| DOGWOOD | Substation-Adjacent | Cass County | 345 kV | 600 MW | 4.3 yrs | 66.4 |
| UNKNOWN117706 | Substation-Adjacent | St. Louis County | 345 kV | 600 MW | 4.3 yrs | 66.2 |
| TYSON | Substation-Adjacent | St. Louis County | 345 kV | 600 MW | 4.3 yrs | 66.1 |
| RUSH ISLAND | Substation-Adjacent | Monroe County | 345 kV | 600 MW | 4.3 yrs | 66.1 |
| UNKNOWN162404 | Substation-Adjacent | Buchanan County | 345 kV | 600 MW | 4.3 yrs | 65.8 |
| UNKNOWN117117 | Substation-Adjacent | Ray County | 161 kV | 100 MW | 4.3 yrs | 65.6 |
| UNKNOWN117938 | Substation-Adjacent | St. Charles County | 345 kV | 600 MW | 4.3 yrs | 65.3 |
| OVERTON (345KV) | Substation-Adjacent | Cooper County | 345 kV | 600 MW | 4.3 yrs | 64.9 |
| SIOUX | Substation-Adjacent | Jersey County | 345 kV | 600 MW | 4.3 yrs | 64.9 |
| TAP138882 | Substation-Adjacent | Clay County | 161 kV | 100 MW | 4.3 yrs | 64.8 |
| UNKNOWN117555 | Substation-Adjacent | Greene County | 161 kV | 100 MW | 3.9 yrs | 64.8 |
| UNKNOWN117612 | Substation-Adjacent | Clay County | 161 kV | 100 MW | 4.3 yrs | 64.8 |
| TAP138925 | Substation-Adjacent | Jackson County | 161 kV | 100 MW | 4.3 yrs | 64.8 |
| UNKNOWN117559 | Substation-Adjacent | Greene County | 161 kV | 100 MW | 4.3 yrs | 64.6 |
| UNKNOWN117540 | Substation-Adjacent | Jackson County | 161 kV | 100 MW | 4.3 yrs | 64.6 |
| UNKNOWN121751 | Substation-Adjacent | Jackson County | 161 kV | 100 MW | 4.3 yrs | 64.6 |
| SAINT JOSEPH | Substation-Adjacent | Andrew County | 345 kV | 600 MW | 4.3 yrs | 64.6 |
| UNKNOWN117765 | Substation-Adjacent | St. Charles County | 345 kV | 600 MW | 4.3 yrs | 64.4 |
How does Missouri compare with other states for substation-adjacent sites?
With 1,002 sites, Missouri ranks 14th 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, Missouri averages 55.7, the 12th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 4.2 years.
Where are the highest-scoring substation-adjacent sites in Missouri?
The top 25 range from 70.2 to 64.4 on the 0–100 DC Readiness Score. They are concentrated in Jackson County (4), Greene County (3), St. Louis County (3) and Cass County (2). By grid region, 15 are in SPP, 9 are in MISO and 1 is in SERC.
County pages: Jackson County · Greene County · St. Louis County · Cass County
What power, fiber and flood exposure do these substation-adjacent sites have?
Of the top 25 substation-adjacent sites in Missouri, 25 have a recorded nearest-substation voltage, with a median of 345 kV; for 17 that substation is rated 230 kV or higher. Their counties have a median of 9 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 23 km. The median interconnection-queue wait in their markets is 4.3 years. None of the 8 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.
Frequently asked questions
How many substation-adjacent datacenter sites are in Missouri?
GridCensus catalogs 1,002 substation-adjacent datacenter candidate sites in Missouri, 3% of the national total for this type (14th 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 Missouri?
By DC Readiness Score, HAWTHORNE in Jackson County ranks first at 70.2/100, followed by BROOKLINE in Greene County at 68.4.
Which Missouri counties have the best substation-adjacent sites?
The top 25 substation-adjacent sites in Missouri are concentrated in Jackson County (4), Greene County (3), St. Louis County (3) and Cass County (2).
How does Missouri score for datacenters overall?
All 3,413 scored sites in Missouri average 55.7/100 DC Readiness, the 12th-highest of 52 states, against a national average of 53.0.
More on substation-adjacent sites and Missouri
- All datacenter sites in Missouri· 3,413 sites
- Substation-Adjacent datacenter sites nationwide· 38,820 sites
- Industrial sites in Missouri· 1,485 sites
- Greenfield sites in Missouri· 495 sites
- Former Mine sites in Missouri· 336 sites
- Federal Excess sites in Missouri· 83 sites
- Brownfield sites in Missouri· 12 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 Missouri”, https://gridcensus.com/site-types/substation/missouri (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Substation-Adjacent sites in Missouri 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.