THALMANN
SubstationSouth Carolina · GEORGIA TRANSMISSION CORP
THALMANN is an electric transmission substation in South Carolina, operated by GEORGIA TRANSMISSION CORP. It is classified as extra-high-voltage (500 kv) and connects 1 transmission line. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Ownership & operation
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #37403 | 500 kV | GEORGIA TRANSMISSION CORP | IN SERVICE | 81.5 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of THALMANN, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| THALMANN | Substation-Adjacent | GA | Glynn County | 500 kV | 1,000 MW | 3.7 yrs | 76.4 |
| UNKNOWN111819 | Substation-Adjacent | GA | Glynn County | 230 kV | 300 MW | 5.8 yrs | 73.0 |
| DUVAL | Substation-Adjacent | GA | Brantley County | 500 kV | 1,000 MW | 5.8 yrs | 71.8 |
| Greenfield (UNKNOWN111864 - DUVAL) | Greenfield | GA | Brantley County | 500 kV | 1,000 MW | 5.8 yrs | 71.5 |
| Greenfield (UNKNOWN111864 - DUVAL) | Greenfield | GA | Brantley County | 500 kV | 1,000 MW | 5.8 yrs | 70.2 |
| Greenfield (UNKNOWN111864 - DUVAL) | Greenfield | GA | Charlton County | 500 kV | 1,000 MW | 5.8 yrs | 69.4 |
| UNKNOWN116863 | Substation-Adjacent | GA | Wayne County | 500 kV | 1,000 MW | 5.8 yrs | 69.2 |
| UNKNOWN111835 | Substation-Adjacent | GA | McIntosh County | 115 kV | 100 MW | 5.8 yrs | 69.0 |
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for THALMANN substation, South Carolina. 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.