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
64.7/100
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
62.3
Speed-to-power
49.3
Fiber
64.1
Water
76.2
Hazard resilience
57.5
Top 25 substation-adjacent datacenter sites
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| SHAWNEE | Substation-Adjacent | IL | Massac County | 500 kV | 1,000 MW | 4.6 yrs | 81.3 |
| MCGUIRE | Substation-Adjacent | NC | Mecklenburg County | 500 kV | 1,000 MW | 3.7 yrs | 81.1 |
| MADISON | Substation-Adjacent | AL | Madison County | 500 kV | 1,000 MW | 3.7 yrs | 80.9 |
| TAP134012 | Substation-Adjacent | ND | Grand Forks County | 230 kV | 300 MW | 1.4 yrs | 80.8 |
| NORTH TIFTON | Substation-Adjacent | GA | Muscogee County | 500 kV | 1,000 MW | 3.7 yrs | 80.5 |
| DUMONT | Substation-Adjacent | IN | St. Joseph County | 765 kV | 1,000 MW | 2.2 yrs | 80.4 |
| COLSTRIP | Substation-Adjacent | MT | Rosebud County | 500 kV | 1,000 MW | 1.1 yrs | 80.4 |
| ROCK SPRINGS | Substation-Adjacent | DE | New Castle County | 500 kV | 1,000 MW | 1.5 yrs | 80.4 |
| ST. JOHN | Substation-Adjacent | IN | St. Joseph County | 345 kV | 600 MW | 2.2 yrs | 80.3 |
| BROADVIEW | Substation-Adjacent | MT | Golden Valley County | 500 kV | 1,000 MW | 1.1 yrs | 80.1 |
| UNKNOWN111199 | Substation-Adjacent | NC | Cleveland County | 500 kV | 1,000 MW | 3.7 yrs | 79.9 |
| UNION | Substation-Adjacent | GA | Clayton County | 500 kV | 1,000 MW | 5.8 yrs | 79.9 |
| BLUE LAKE | Substation-Adjacent | MN | Carver County | 345 kV | 600 MW | 1.4 yrs | 79.9 |
| VILLA RICA | Substation-Adjacent | GA | Douglas County | 500 kV | 1,000 MW | 5.8 yrs | 79.9 |
| BIG SHANTY | Substation-Adjacent | GA | Cobb County | 500 kV | 1,000 MW | 5.8 yrs | 79.9 |
| SOUTH CANTON 765KV | Substation-Adjacent | OH | Stark County | 765 kV | 1,000 MW | 3.2 yrs | 79.8 |
| KLONDIKE | Substation-Adjacent | GA | Rockdale County | 500 kV | 1,000 MW | 5.8 yrs | 79.8 |
| O'HARA | Substation-Adjacent | GA | Henry County | 500 kV | 1,000 MW | 5.8 yrs | 79.7 |
| BYRON | Substation-Adjacent | MN | Dodge County | 345 kV | 600 MW | 1.4 yrs | 79.7 |
| GOOSE CREEK | Substation-Adjacent | VA | Loudoun County | 500 kV | 1,000 MW | 3.1 yrs | 79.7 |
| GRIMES | Substation-Adjacent | IA | Mills County | 345 kV | 600 MW | 3.5 yrs | 79.4 |
| AUDOBON 230KV | Substation-Adjacent | MN | Clay County | 230 kV | 300 MW | 1.4 yrs | 79.3 |
| ELMONT | Substation-Adjacent | VA | Hanover County | 500 kV | 1,000 MW | 3.1 yrs | 79.3 |
| LANCASTER | Substation-Adjacent | ID | Kootenai County | 230 kV | 300 MW | 1.1 yrs | 79.2 |
| LAKE TARPON | Substation-Adjacent | FL | Pasco County | 500 kV | 1,000 MW | 3.6 yrs | 79.2 |
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 64.7/100 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.