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.
29,891
Candidate sites
63.9/100
Avg DC Readiness
5.0M MW
Catalogued capacity
theoretical aggregate
3.1 yrs
Avg queue wait
Top states
- Texas2,972
- Georgia1,637
- North Carolina1,358
- Alabama1,328
- Washington1,240
- Florida1,174
- South Carolina1,100
- California992
- Oklahoma935
- New York919
- Tennessee780
- Ohio768
- Virginia749
- Illinois742
- Oregon730
- Colorado719
- Mississippi717
- Michigan669
- Indiana657
- Pennsylvania651
- Missouri608
- Minnesota587
- Arkansas572
- Kansas529
- Utah516
- Wisconsin485
- Idaho478
- Louisiana476
- North Dakota430
- Kentucky424
- West Virginia360
- Nebraska355
- Montana335
- Massachusetts310
- Wyoming289
- New Mexico287
- Iowa282
- Arizona236
- Maryland235
- South Dakota184
- Connecticut174
- Nevada170
- New Jersey169
- Maine119
- Alaska108
- New Hampshire105
- Rhode Island72
- Vermont68
- Delaware58
- Hawaii17
- District of Columbia16
Average sub-score profile
Power availability
56.4
Speed-to-power
49.8
Fiber
66.0
Water
76.2
Hazard resilience
57.5
Top 25 substation-adjacent datacenter sites
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| COLSTRIP | Substation-Adjacent | MT | Rosebud County | 500 kV | 1,000 MW | 3.3 yrs | 75.8 |
| PIN HOOK | Substation-Adjacent | TN | Davidson County | 500 kV | 1,000 MW | 1.0 yrs | 75.2 |
| RACCOON MOUNTAIN | Substation-Adjacent | TN | Hamilton County | 500 kV | 1,000 MW | 1.0 yrs | 74.6 |
| NORCROSS | Substation-Adjacent | GA | Gwinnett County | 500 kV | 1,000 MW | 1.0 yrs | 74.4 |
| FREEPORT | Substation-Adjacent | TN | DeSoto County | 500 kV | 1,000 MW | 1.0 yrs | 73.5 |
| NEWPORT TIE | Substation-Adjacent | SC | York County | 500 kV | 1,000 MW | 1.0 yrs | 73.5 |
| CORDOVA | Substation-Adjacent | TN | Shelby County | 500 kV | 1,000 MW | 1.0 yrs | 73.4 |
| GRAND FORKS | Substation-Adjacent | ND | Grand Forks County | 345 kV | 600 MW | 3.3 yrs | 73.2 |
| VOLUNTEER | Substation-Adjacent | TN | Knox County | 500 kV | 1,000 MW | 1.0 yrs | 73.1 |
| SHELBY | Substation-Adjacent | TN | Tipton County | 500 kV | 1,000 MW | 1.0 yrs | 73.0 |
| MADISON | Substation-Adjacent | AL | Madison County | 500 kV | 1,000 MW | 1.0 yrs | 73.0 |
| DAVIDSON | Substation-Adjacent | TN | Williamson County | 500 kV | 1,000 MW | 1.0 yrs | 72.9 |
| RAINEY | Substation-Adjacent | NY | New York County | 345 kV | 600 MW | 4.9 yrs | 72.8 |
| WILSON | Substation-Adjacent | TN | Wilson County | 500 kV | 1,000 MW | 1.0 yrs | 72.8 |
| RUTHERFORD | Substation-Adjacent | TN | Rutherford County | 500 kV | 1,000 MW | 1.0 yrs | 72.8 |
| BIG SHANTY | Substation-Adjacent | GA | Cobb County | 500 kV | 1,000 MW | 1.0 yrs | 72.2 |
| ELLENDALE | Substation-Adjacent | ND | Dickey County | 230 kV | 300 MW | 3.3 yrs | 72.2 |
| MONTGOMERY | Substation-Adjacent | TN | Montgomery County | 500 kV | 1,000 MW | 1.0 yrs | 72.1 |
| DUFFY AVENUE CONVERTER STATION | Substation-Adjacent | NY | Nassau County | 500 kV | 1,000 MW | 4.9 yrs | 72.1 |
| UNION | Substation-Adjacent | GA | Clayton County | 500 kV | 1,000 MW | 1.0 yrs | 72.1 |
| BULL SLUICE | Substation-Adjacent | GA | Cobb County | 500 kV | 1,000 MW | 1.0 yrs | 72.0 |
| O'HARA | Substation-Adjacent | GA | Clayton County | 500 kV | 1,000 MW | 1.0 yrs | 71.7 |
| PARKERS LAKE | Substation-Adjacent | MN | Hennepin County | 345 kV | 600 MW | 2.8 yrs | 71.6 |
| EDEN PRAIRIE | Substation-Adjacent | MN | Hennepin County | 345 kV | 600 MW | 2.8 yrs | 71.6 |
| SAYREVILLE | Substation-Adjacent | NJ | Middlesex County | 500 kV | 1,000 MW | 3.8 yrs | 71.6 |
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 29,891 substation-adjacent candidate sites nationwide, averaging 63.9/100 DC Readiness.
- Which state has the most substation-adjacent datacenter sites?
- Texas leads with 2,972 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 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.