10203 Three Rivers Road
IndustrialHarrison County, Mississippi · SERC
At a glance
10203 Three Rivers Road is an industrial datacenter candidate site in Harrison County, Mississippi, scoring 52.4/100 DC Readiness — 34th of 118 scored sites in the county. It sits in the SERC grid region and the MISSISSIPPI POWER CO 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
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Sales tax exemption on DC equipment for $50M+ investments; fee-in-lieu of property tax.
Site location
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How does 10203 Three Rivers Road compare with other sites in Harrison County?
10203 Three Rivers Road ranks 34th of 118 scored candidate sites in Harrison County. Its 52.4/100 is roughly in line with the county average of 53.5. It is roughly in line with the Mississippi average of 53.0 and roughly in line with the national average of 53.2.
Against the Mississippi average, its strongest sub-score is fiber connectivity (74 vs 69) and its weakest is power availability (30 vs 37). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is 10203 Three Rivers Road to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is EdgeConneX New Orleans (EDCSLI01) at 40 miles. 8 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is EdgeConneX New Orleans (EDCSLI01), 40 miles away.
What are the flood, water and hazard risks at 10203 Three Rivers Road?
At the county level, FEMA's National Risk Index rates Harrison 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 Harrison County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN110011 | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 64.4 |
| UNKNOWN110553 | Substation-Adjacent | 230 kV | 300 MW | 3.9 yrs | 62.1 |
| UNKNOWN110014 | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 58.3 |
| UNKNOWN110015 | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 58.3 |
| UNKNOWN110510 | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 58.3 |
| UNKNOWN110307 | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 58.3 |
| TAP142827 | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 58.2 |
| UNKNOWN110509 | Substation-Adjacent | 115 kV | 100 MW | 3.9 yrs | 58.2 |
10203 Three Rivers Road: common questions
What is the DC Readiness score of 10203 Three Rivers Road?
10203 Three Rivers Road scores 52.4/100 on the GridCensus DC Readiness scale, rated fair. It ranks 34th of 118 scored sites in Harrison County. The Harrison County average is 53.5 and the Mississippi average is 53.0.
Which electric utility serves 10203 Three Rivers Road?
MISSISSIPPI POWER CO (investor owned) holds the retail service territory that contains the site; its holding company is SOUTHERN COMPANY.
What grid region is 10203 Three Rivers Road in?
10203 Three Rivers Road is in the SERC region. Projects interconnecting there have averaged a 3.9-year wait from queue request to operation.
How far is 10203 Three Rivers Road from an internet exchange?
The nearest internet exchange facility is EdgeConneX New Orleans (EDCSLI01), about 40 miles away; 8 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, “10203 Three Rivers Road, Harrison County, MS”, https://gridcensus.com/datacenter-sites/mississippi/harrison-county/10203-three-rivers-road-bb373c80 (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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