Short Stop 3
IndustrialColleton County, South Carolina · SERC
At a glance
Short Stop 3 is an industrial datacenter candidate site in Colleton County, South Carolina, scoring 49.0/100 DC Readiness — 42nd of 45 scored sites in the county. It sits in the SERC grid region and the DOMINION ENERGY SOUTH CAROLINA, INC service territory, where interconnection has averaged 3.9 years from request to operation.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
Southeast, DC-friendly with active incentives and vertically-integrated utilities.
Incentive detail: Sales tax exemption on DC equipment; fee-in-lieu of property tax for $50M+ investments.
Site location
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How does Short Stop 3 compare with other sites in Colleton County?
Short Stop 3 ranks 42nd of 45 scored candidate sites in Colleton County. Its 49.0/100 is about 12% below the county average of 55.9. It is about 14% below the South Carolina average of 57.1 and roughly in line with the national average of 53.2.
Against the South Carolina average, its strongest sub-score is natural hazard (60 vs 59) and its weakest is fiber connectivity (43 vs 71). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Short Stop 3 to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Cogent Fairfax at 31.7 miles. 5 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Cogent Fairfax, 31.7 miles away.
What are the flood, water and hazard risks at Short Stop 3?
At the county level, FEMA's National Risk Index rates Colleton County "Relatively High".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Colleton County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN120913 | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 64.1 |
| YEMASSEE | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 64.0 |
| UNKNOWN120999 | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 62.5 |
| EC Coal Colleton County | Greenfield | — | — | 3.9 yrs | 60.5 |
| EC Near Canadys Steam | Greenfield | — | — | 3.9 yrs | 60.4 |
| EC Near Canadys Steam | Greenfield | — | — | 3.9 yrs | 60.2 |
| UNKNOWN120982 | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 60.0 |
| UNKNOWN121001 | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 60.0 |
Short Stop 3: common questions
What is the DC Readiness score of Short Stop 3?
Short Stop 3 scores 49.0/100 on the GridCensus DC Readiness scale, rated fair. It ranks 42nd of 45 scored sites in Colleton County. The Colleton County average is 55.9 and the South Carolina average is 57.1.
Which electric utility serves Short Stop 3?
DOMINION ENERGY SOUTH CAROLINA, INC (investor owned) holds the retail service territory that contains the site; its holding company is SCANA CORP.
What grid region is Short Stop 3 in?
Short Stop 3 is in the SERC region. Projects interconnecting there have averaged a 3.9-year wait from queue request to operation.
How far is Short Stop 3 from an internet exchange?
The nearest internet exchange facility is Cogent Fairfax, about 31.7 miles away; 5 fiber providers report service at the location.
Related pages
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Short Stop 3, Colleton County, SC”, https://gridcensus.com/datacenter-sites/south-carolina/colleton-county/short-stop-3-e7f98263 (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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