SOUTHWARK
Substation-AdjacentPhiladelphia County, Pennsylvania · PJM
At a glance
SOUTHWARK is a substation-adjacent datacenter candidate site in Philadelphia County, Pennsylvania, scoring 59.1/100 DC Readiness — 52nd of 381 scored sites in the county. Its nearest substation is SOUTHWARK (0 mi, 69 kV). It sits in the PJM grid region and the PECO ENERGY CO service territory, where interconnection has averaged 3.6 years from request to operation. GridCensus catalogs 50 MW of candidate capacity here.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Keystone Opportunity Zone/KOEZ sales and property tax exemptions in designated areas.
Site location
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How does SOUTHWARK compare with other sites in Philadelphia County?
SOUTHWARK ranks 52nd of 381 scored candidate sites in Philadelphia County. Its 59.1/100 is roughly in line with the county average of 56.0. It is about 14% above the Pennsylvania average of 51.8 and about 11% above the national average of 53.2.
Against the Pennsylvania average, its strongest sub-score is fiber connectivity (98 vs 68) and its weakest is speed to power (37 vs 37). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is SOUTHWARK to power, fiber and other datacenters?
The nearest mapped substation, SOUTHWARK, is about 0 miles away and operates at 69 kV. The nearest located transmission bottleneck is EMILIE EMIL7TR XFORMER H 230 KV (PJM), 22 miles away. For connectivity, the nearest internet exchange facility is TierPoint Philadelphia at 2.1 miles. 12 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is TierPoint Philadelphia, 2.1 miles away.
What are the flood, water and hazard risks at SOUTHWARK?
At the county level, FEMA's National Risk Index rates Philadelphia County "Relatively Moderate".
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 Philadelphia County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SCHUYLKILL | Substation-Adjacent | 230 kV | 300 MW | 3.6 yrs | 68.2 |
| BURLINGTON | Substation-Adjacent | 230 kV | 300 MW | 2.7 yrs | 67.8 |
| Paseo Verde South Apartments | Brownfield | 230 kV | — | 3.6 yrs | 67.1 |
| EAGLE POINT | Substation-Adjacent | 230 kV | 300 MW | 2.7 yrs | 66.1 |
| PARRISH | Substation-Adjacent | 230 kV | 300 MW | 3.6 yrs | 65.6 |
| PASSYUNK | Substation-Adjacent | 230 kV | 300 MW | 3.6 yrs | 65.5 |
| MASTER | Substation-Adjacent | 230 kV | 300 MW | 3.6 yrs | 65.5 |
| NORTH PHILADELPHIA | Substation-Adjacent | 230 kV | 300 MW | 3.6 yrs | 65.4 |
SOUTHWARK: common questions
What is the DC Readiness score of SOUTHWARK?
SOUTHWARK scores 59.1/100 on the GridCensus DC Readiness scale, rated good. It ranks 52nd of 381 scored sites in Philadelphia County. The Philadelphia County average is 56.0 and the Pennsylvania average is 51.8.
What is the nearest substation to SOUTHWARK?
The nearest mapped substation is SOUTHWARK, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.
Which electric utility serves SOUTHWARK?
PECO ENERGY CO (investor owned) holds the retail service territory that contains the site; its holding company is EXELON CORP.
What grid region is SOUTHWARK in?
SOUTHWARK is in the PJM region. Projects interconnecting there have averaged a 3.6-year wait from queue request to operation.
How far is SOUTHWARK from an internet exchange?
The nearest internet exchange facility is TierPoint Philadelphia, about 2.1 miles away; 12 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, “SOUTHWARK, Philadelphia County, PA”, https://gridcensus.com/datacenter-sites/pennsylvania/philadelphia-county/southwark-6bdd8879 (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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