Datacenter Sites in Jefferson, Missouri
Jefferson has 31 scored datacenter candidate sites averaging 53.7/100 DC Readiness, with a catalogued aggregate of 1,600 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
At a glance
Jefferson, Missouri has 31 scored datacenter candidate sites averaging 53.7/100 DC Readiness, roughly in line with the Missouri average of 55.7. It ranks 16th of 110 Missouri counties by number of sites and 67th by average score. The top-scoring site is Substation-Adjacent site · 71af3991 at 62.5/100.
Site-selection context for Jefferson
Incentive detail: Qualified data center sales tax exemption (2019 law); state income tax credits.
How does Jefferson compare with other counties in Missouri?
By number of scored sites, Jefferson ranks 16th of the 110 Missouri counties with a county page, holding 0.9% of the state's 3,413 sites. Its average DC Readiness of 53.7/100 ranks 67th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1237th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 15 score 55 or higher.
What types of datacenter sites are in Jefferson?
Greenfield sites are the most common (12, 39% of the county's inventory), followed by substation-adjacent (9) and former mine (8). 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 Jefferson?
Industrial electricity averages 7.73¢/kWh and commercial 10.54¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (38). WRI water stress is low. 5 fiber providers report service in the county. The climate runs 1,500 cooling degree days a year with a mean temperature of 56°F. Land is valued around $5,915 an acre.
By site type
Top datacenter sites in Jefferson
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN117709 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 62.5 |
| UNKNOWN117702 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 57.9 |
| EC Near Rush Island | Greenfield | — | — | 4.3 yrs | 57.2 |
| UNKNOWN117895 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 57.2 |
| EC Near Rush Island | Greenfield | — | — | 4.3 yrs | 57.1 |
| EC Near Rush Island | Greenfield | — | — | 4.3 yrs | 57.1 |
| TAP139433 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 57.1 |
| UNKNOWN121747 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 56.9 |
| UNKNOWN117721 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 56.4 |
| EC Near Rush Island | Greenfield | — | — | 4.3 yrs | 56.2 |
| TAP139432 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 55.8 |
| UNKNOWN117899 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 55.7 |
| EC Near Rush Island | Greenfield | — | — | 4.3 yrs | 55.4 |
| TAP139431 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 55.3 |
| EC Near Rush Island | Greenfield | — | — | 4.3 yrs | 55.3 |
| EC Near Rush Island | Greenfield | — | — | 4.3 yrs | 54.8 |
| EC Near Rush Island | Greenfield | — | — | 4.3 yrs | 54.7 |
| EC Near Rush Island | Greenfield | — | — | 4.3 yrs | 53.5 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 50.9 |
| Greenfield (UNKNOWN117721 - UNKNOWN117887) | Greenfield | 138 kV | 100 MW | 4.3 yrs | 50.8 |
| PPG-Crystal City Phase I | Industrial | — | — | 4.3 yrs | 50.6 |
| Schneider Park | Industrial | — | — | 4.3 yrs | 50.5 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 50.4 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 50.4 |
| EC Near Rush Island | Greenfield | — | — | 4.3 yrs | 50.4 |
Every scored site in Jefferson
All 31 sites, best first.
- Substation-Adjacent site · 71af3991 · 62.5
- Substation-Adjacent site · 2162c03a · 57.9
- EC Near Rush Island · f1753398 · 57.2
- Substation-Adjacent site · e8a7c87e · 57.2
- EC Near Rush Island · b0161a84 · 57.1
- EC Near Rush Island · c197584e · 57.1
- Substation-Adjacent site · 3d07d63a · 57.1
- Substation-Adjacent site · 6b059387 · 56.9
- Substation-Adjacent site · 514792bc · 56.4
- EC Near Rush Island · 2ffc06b6 · 56.2
- Substation-Adjacent site · a6d1c209 · 55.8
- Substation-Adjacent site · dd444022 · 55.7
- EC Near Rush Island · 04350d3a · 55.4
- Substation-Adjacent site · e8c89a7d · 55.3
- EC Near Rush Island · 80e17a0f · 55.3
- EC Near Rush Island · 3c82472a · 54.8
- EC Near Rush Island · e2a17fde · 54.7
- EC Near Rush Island · 5b0d4655 · 53.5
- Mine Site · 231b1efb · 50.9
- Greenfield (UNKNOWN117721 - UNKNOWN117887) · 50.8
- PPG-Crystal City Phase I · 50.6
- Schneider Park · 50.5
- Mine Site · ee79c2c9 · 50.4
- Mine Site · c8436c1b · 50.4
- EC Near Rush Island · 840272dc · 50.4
- Mine Site · 46b72c55 · 49.9
- Mine Site · 6e106f25 · 49.5
- Mine Site · 1078717a · 49.3
- Greenfield (UNKNOWN117899 - ST FRANCOIS) · 49.1
- Mine Site · 7850dfab · 48.8
- Mine Site · 32e04bc3 · 48.8
Jefferson datacenter FAQ
How many datacenter sites are in Jefferson?
31 scored datacenter candidate sites, averaging 53.7/100 DC Readiness. That is the 16th-most of 110 Missouri counties with five or more sites.
What is the highest-scoring datacenter site in Jefferson?
Substation-Adjacent site · 71af3991 scores 62.5/100 DC Readiness, the highest of the 31 scored sites in Jefferson (a substation-adjacent site).
Does Jefferson offer datacenter tax incentives?
Qualified data center sales tax exemption (2019 law); state income tax credits.
What is the natural-hazard risk in Jefferson?
FEMA's National Risk Index rates Jefferson as "Relatively High" (score 38).
What are industrial electricity rates in Jefferson?
Average industrial electricity is 7.73¢/kWh and commercial is 10.54¢/kWh in Jefferson.
More in Missouri
- All datacenter sites in Missouri· 3,413 sites
- Operating datacenters in Missouri
- Electric substations in Missouri
- Jackson County· 422 sites · avg 58.5
- St. Louis County· 374 sites · avg 56.2
- St. Louis County· 363 sites · avg 55.7
- Greene County· 273 sites · avg 57.8
- Henry· 60 sites · avg 54.6
- Jasper County· 50 sites · avg 55.4
- Greenfield sites in Missouri
- Substation-Adjacent sites in Missouri
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 Jefferson, Missouri”, https://gridcensus.com/datacenter-sites/missouri/jefferson (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 Jefferson, 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.