Substation-Adjacent Datacenter Sites
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.
38,820
Candidate sites
57.4/100
Avg DC Readiness
5.1M MW
Catalogued capacity
theoretical aggregate
3.6 yrs
Avg queue wait
Top states
- Texas3,635
- California1,573
- Florida1,539
- Georgia1,530
- Oklahoma1,344
- Washington1,343
- Minnesota1,270
- Kentucky1,261
- Wisconsin1,248
- Alabama1,164
- South Carolina1,124
- North Carolina1,087
- Indiana1,024
- Missouri1,002
- Colorado899
- Pennsylvania886
- Tennessee886
- New York844
- Oregon844
- Ohio835
- Montana815
- Illinois795
- Michigan768
- Iowa761
- Arkansas758
- Utah739
- Virginia733
- Kansas730
- Nebraska720
- Mississippi694
- Idaho646
- Louisiana615
- Arizona614
- South Dakota477
- North Dakota453
- New Mexico445
- Wyoming441
- West Virginia378
- Maryland314
- Massachusetts305
- Nevada250
- Connecticut171
- New Jersey160
- Maine134
- Alaska114
- New Hampshire83
- Vermont82
- PR78
- Delaware73
- Rhode Island58
- Hawaii57
- District of Columbia21
Average sub-score profile
Power availability
57.5
Speed-to-power
53.1
Fiber
70.4
Water
70.7
Hazard resilience
65.5
Top 25 substation-adjacent datacenter sites
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| PIN HOOK | Substation-Adjacent | TN | Davidson County | 500 kV | 1,000 MW | 1.0 yrs | 75.6 |
| COLSTRIP | Substation-Adjacent | MT | Rosebud County | 500 kV | 1,000 MW | 3.3 yrs | 75.0 |
| RACCOON MOUNTAIN | Substation-Adjacent | TN | Hamilton County | 500 kV | 1,000 MW | 1.0 yrs | 74.8 |
| NORCROSS | Substation-Adjacent | GA | Gwinnett County | 500 kV | 1,000 MW | 1.0 yrs | 74.8 |
| WIDOWS CREEK 500KV | Substation-Adjacent | AL | Dade County | 500 kV | 1,000 MW | 1.0 yrs | 74.7 |
| FREEPORT | Substation-Adjacent | TN | DeSoto County | 500 kV | 1,000 MW | 1.0 yrs | 74.6 |
| NEWPORT TIE | Substation-Adjacent | SC | York County | 500 kV | 1,000 MW | 1.0 yrs | 74.4 |
| VOLUNTEER | Substation-Adjacent | TN | Knox County | 500 kV | 1,000 MW | 1.0 yrs | 74.3 |
| MONTGOMERY | Substation-Adjacent | TN | Montgomery County | 500 kV | 1,000 MW | 1.0 yrs | 74.2 |
| WILSON | Substation-Adjacent | TN | Wilson County | 500 kV | 1,000 MW | 1.0 yrs | 74.2 |
| DAVIDSON | Substation-Adjacent | TN | Williamson County | 500 kV | 1,000 MW | 1.0 yrs | 74.1 |
| SHELBY | Substation-Adjacent | TN | Tipton County | 500 kV | 1,000 MW | 1.0 yrs | 74.1 |
| CORDOVA | Substation-Adjacent | TN | Shelby County | 500 kV | 1,000 MW | 1.0 yrs | 74.0 |
| MADISON | Substation-Adjacent | AL | Madison County | 500 kV | 1,000 MW | 1.0 yrs | 73.9 |
| BULL RUN | Substation-Adjacent | TN | Anderson County | 500 kV | 1,000 MW | 1.0 yrs | 73.9 |
| RUTHERFORD | Substation-Adjacent | TN | Rutherford County | 500 kV | 1,000 MW | 1.0 yrs | 73.8 |
| BIG SHANTY | Substation-Adjacent | GA | Cobb County | 500 kV | 1,000 MW | 1.0 yrs | 73.6 |
| JOHNSONVILLE | Substation-Adjacent | TN | Benton County | 500 kV | 1,000 MW | 1.0 yrs | 73.5 |
| AUTAUGAVILLE | Substation-Adjacent | AL | Autauga County | 500 kV | 1,000 MW | 1.0 yrs | 73.5 |
| UNION | Substation-Adjacent | GA | Clayton County | 500 kV | 1,000 MW | 1.0 yrs | 73.2 |
| O'HARA | Substation-Adjacent | GA | Clayton County | 500 kV | 1,000 MW | 1.0 yrs | 73.0 |
| VILLA RICA | Substation-Adjacent | GA | Douglas County | 500 kV | 1,000 MW | 1.0 yrs | 72.8 |
| UNKNOWN115420 | Substation-Adjacent | TN | Hamilton County | 500 kV | 1,000 MW | 1.0 yrs | 72.7 |
| FORTSON | Substation-Adjacent | GA | Muscogee County | 500 kV | 1,000 MW | 1.0 yrs | 72.6 |
| BULL SLUICE | Substation-Adjacent | GA | Cobb County | 500 kV | 1,000 MW | 1.0 yrs | 72.6 |
Substation-Adjacent site FAQ
- 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.
- How many substation-adjacent datacenter sites are there?
- GridCensus catalogs 38,820 substation-adjacent candidate sites nationwide, averaging 57.4/100 DC Readiness.
- Which state has the most substation-adjacent datacenter sites?
- Texas leads with 3,635 substation-adjacent candidate sites.
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for Substation-Adjacent sites. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.