DORCHESTER
SubstationGeorgia · GEORGIA POWER CO
At a glance
DORCHESTER is an electric transmission substation in Georgia, on GEORGIA POWER CO's transmission network. It is classified as high-voltage (230 kv) and connects 3 transmission lines. 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #132704 | 230 kV | GEORGIA POWER CO | IN SERVICE | 21.3 mi |
| #133714 | — | GEORGIA POWER CO | IN SERVICE | 4.0 mi |
| #170700 | — | GEORGIA POWER CO | IN SERVICE | 8.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of DORCHESTER, 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 |
|---|---|---|---|---|---|---|---|
| KRAFT | Substation-Adjacent | GA | Chatham County | 230 kV | 300 MW | 5.8 yrs | 63.8 |
| MELDRIM | Substation-Adjacent | GA | Bryan County | 230 kV | 300 MW | 5.8 yrs | 61.8 |
| OZ Chatham | Greenfield | GA | Chatham | — | — | 5.8 yrs | 61.6 |
| DEAN FOREST | Substation-Adjacent | GA | Chatham County | 230 kV | 300 MW | 5.8 yrs | 61.4 |
| EC Coal Chatham County | Greenfield | GA | Chatham County | — | — | 5.8 yrs | 61.0 |
| EC Coal Chatham County | Greenfield | GA | Chatham County | — | — | 5.8 yrs | 60.8 |
| DORCHESTER | Substation-Adjacent | GA | Liberty County | 230 kV | 300 MW | 5.8 yrs | 60.8 |
| BOULEVARD | Substation-Adjacent | GA | Chatham County | 230 kV | 300 MW | 5.8 yrs | 60.5 |
How does DORCHESTER compare with other substations in Georgia?
Georgia has 2,501 substation records in HIFLD, of which 100 carry a station name; the rest are unnamed tap points, risers and line ends. 42 named substations in the state are in DORCHESTER's 230–344 kV band (42% of named stations). 19 sit in a higher band. 19 named substations in Georgia operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 230 kV.
Who owns the transmission lines at DORCHESTER?
The 3 connected lines listed above are owned by GEORGIA POWER CO. Line voltages range from 230 kV to 230 kV. Their combined recorded length is about 33.4 miles.
How do candidate sites near DORCHESTER score?
The 8 highest-scoring candidate sites within about 25 miles range from 61 to 64 on the 0–100 DC Readiness scale. They fall in Chatham County, Bryan County, Chatham, Liberty County. The Georgia average across 2,478 scored sites is 57.1. 1,530 of those Georgia sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is DORCHESTER substation?
DORCHESTER has a maximum voltage of 230 kV. That places it in the 230–344 kV band. The median named US substation in this dataset is 115 kV, so DORCHESTER is above the national midpoint.
How many transmission lines connect to DORCHESTER substation?
3 transmission lines terminate at or pass through DORCHESTER in the HIFLD line data. The connected lines listed here run at 230 kV. Together the listed lines cover about 33.4 miles.
Who owns DORCHESTER substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at DORCHESTER belong to GEORGIA POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is DORCHESTER substation located?
DORCHESTER is in Georgia at 31.8123, -81.4998. The datacenter candidate sites closest to it are in Chatham County, Bryan County, Chatham.
Are there datacenter candidate sites near DORCHESTER substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of DORCHESTER. The highest-scoring is KRAFT at 64/100. Across Georgia, the average DC Readiness score is 57.1.
Other 230 kV substations in Georgia
- CENTER· 11 lines
- GOSHEN· 11 lines
- WINDER· 11 lines
- BOULEVARD· 10 lines
- EAST SOCIAL CIRCLE· 10 lines
- HAMMOND STATION· 10 lines
- LITTLE OGEECHEE· 10 lines
- MCINTOSH· 10 lines
- All named substations in Georgia· 100 stations
- Datacenter candidate sites in Georgia· 2,478 sites
- Brownfield and retired plant sites in Georgia
- Substations by state
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “DORCHESTER substation, Georgia”, https://gridcensus.com/substations/georgia/dorchester-f98a53f4 (data as of June 29, 2026).
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
Every site and score for DORCHESTER substation, Georgia 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.