How many datacenter sites are in Pennsylvania?

GridCensus catalogs 6,497 scored datacenter candidate sites in Pennsylvania, with an average DC Readiness score of 52.0/100.

What is the average interconnection-queue wait in Pennsylvania?

Candidate sites in Pennsylvania average a 3.7 yrs interconnection-queue wait, with an average queue depth of 32 projects.

What kind of datacenter sites are most common in Pennsylvania?

Former Mine sites are the most common category in Pennsylvania (3,356 sites), and most sites fall within the PJM grid region.

Datacenter Sites in Pennsylvania

Pennsylvania has 6,497 scored datacenter candidate sites averaging 52.0/100 DC Readiness. Former Mine parcels lead the inventory (3,356 sites). Most sites interconnect through PJM.The state's candidate sites carry a catalogued aggregate of 155.6k MW and average a 3.7 yrs interconnection-queue wait.

6,497

Candidate sites

52.0/100

Avg DC Readiness

155.6k MW

Catalogued capacity

theoretical aggregate

3.7 yrs

Avg queue wait

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≥ 7560–7540–60≤ 40

Top 25 in Pennsylvania

By site type

By grid region

PJM
6,488
NYISO
5
CAISO
2
ISO-NE
1
SERC
1

Average sub-score profile

How Pennsylvania's candidate sites score on each DC Readiness dimension (0–100 average).

Power availability

34.1

Speed-to-power

38.6

Fiber

68.0

Water

89.1

Hazard resilience

70.6

Top 25 datacenter sites in Pennsylvania

Ranked by DC Readiness.

Top datacenter sites in Pennsylvania
Site	Type	County	Voltage	Capacity	Queue wait	Score
CROMBY	Substation-Adjacent	Montgomery County	230 kV	300 MW	3.8 yrs	69.8
EDDYSTONE	Substation-Adjacent	Delaware County	230 kV	300 MW	3.8 yrs	69.1
BRUNOT ISLAND	Substation-Adjacent	Allegheny County	345 kV	600 MW	3.8 yrs	68.9
WHITPAIN	Substation-Adjacent	Montgomery County	500 kV	1,000 MW	3.8 yrs	68.7
LIMERICK (500KV SUB)	Substation-Adjacent	Montgomery County	500 kV	1,000 MW	3.8 yrs	68.6
UNKNOWN171809	Substation-Adjacent	Lehigh County	500 kV	1,000 MW	3.8 yrs	68.4
CENTERPOINT	Substation-Adjacent	Montgomery County	500 kV	1,000 MW	3.8 yrs	68.4
SCHUYLKILL	Substation-Adjacent	Philadelphia County	230 kV	300 MW	3.8 yrs	68.2
ELROY	Substation-Adjacent	Montgomery County	500 kV	1,000 MW	3.8 yrs	68.0
Hazelwood Green’s Mill 19 Solar	Brownfield	Allegheny	—	2 MW	3.8 yrs	68.0
CABOT	Substation-Adjacent	Butler County	500 kV	1,000 MW	3.8 yrs	67.5
Paseo Verde South Apartments	Brownfield	Philadelphia	230 kV	—	3.8 yrs	67.2
WESCOSVILLE	Substation-Adjacent	Lehigh County	500 kV	1,000 MW	3.8 yrs	67.1
ALBURTIS	Substation-Adjacent	Lehigh County	500 kV	1,000 MW	3.8 yrs	67.0
SUNBURY	Substation-Adjacent	Northumberland County	500 kV	1,000 MW	3.8 yrs	66.9
HOSENSACK	Substation-Adjacent	Lehigh County	500 kV	1,000 MW	3.8 yrs	66.7
EC Coal Allegheny County	Greenfield	Allegheny County	—	—	3.0 yrs	66.5
UNKNOWN123737	Substation-Adjacent	Northampton County	500 kV	1,000 MW	3.8 yrs	66.5
SUSQUEHANNA	Substation-Adjacent	Luzerne County	500 kV	1,000 MW	3.8 yrs	66.5
TAP151899	Substation-Adjacent	Allegheny County	345 kV	600 MW	3.8 yrs	66.3
SOUTH READING	Substation-Adjacent	Berks County	230 kV	300 MW	3.8 yrs	66.2
EC Coal Allegheny County	Greenfield	Allegheny County	—	—	3.0 yrs	66.1
KEYSTONE	Substation-Adjacent	Armstrong County	500 kV	1,000 MW	3.8 yrs	66.0
HOMER CITY	Substation-Adjacent	Indiana County	345 kV	600 MW	3.8 yrs	66.0
UNKNOWN123696	Substation-Adjacent	Armstrong County	500 kV	1,000 MW	3.8 yrs	65.9

Counties in Pennsylvania

65 counties with five or more scored sites.

Allegheny County411 · 56.5 Schuylkill County409 · 50.1 Philadelphia County381 · 56.1 Westmoreland County313 · 51.0 Clearfield County265 · 49.9 Somerset County264 · 48.2 Fayette County262 · 49.7 Susquehanna County256 · 51.4 Luzerne County224 · 53.0 Cambria County202 · 49.4 Indiana County179 · 50.8 Armstrong County175 · 53.0 Washington County173 · 52.7 Northumberland County148 · 49.0 Bradford County140 · 51.2 Montgomery County124 · 57.6 Lackawanna County122 · 51.8 Jefferson County121 · 49.5 Butler County117 · 55.0 Greene County117 · 50.1 Lehigh County108 · 56.1 Northampton108 · 54.5 Dauphin County107 · 52.4 York County104 · 53.9 Lancaster County94 · 54.0 Clarion County93 · 51.2 Lycoming County83 · 50.8 Centre County77 · 52.4 Beaver County72 · 54.4 Lawrence County69 · 53.3 Chester County61 · 57.4 Elk County54 · 51.7 Mercer County54 · 52.7 Venango County51 · 51.8 Berks County50 · 57.7 Bucks County50 · 54.8 Carbon County49 · 52.2 Wyoming46 · 52.1 Erie County43 · 49.9 Delaware County41 · 62.4 Cumberland40 · 54.4 Wayne County39 · 49.6 Columbia County35 · 52.2 Bedford County31 · 49.4 Clinton County31 · 50.6 Monroe County31 · 53.0 Blair County27 · 55.1 Montour County24 · 55.4 Warren County24 · 53.9 Potter County23 · 49.9 Crawford County22 · 51.4 Franklin County21 · 52.7 Huntingdon County20 · 50.8 Snyder County20 · 52.7 Tioga County20 · 50.8 Adams County18 · 53.6 Pike County15 · 51.1 Lebanon County13 · 55.8 McKean County13 · 53.2 Fulton County12 · 50.2 Mifflin County11 · 53.1 Sullivan County8 · 52.2 Perry County7 · 52.1 Cameron County6 · 58.3 Juniata County5 · 52.5

Pennsylvania datacenter site selection FAQ

How many datacenter sites are in Pennsylvania?: GridCensus catalogs 6,497 scored datacenter candidate sites in Pennsylvania, with an average DC Readiness score of 52.0/100.
What is the average interconnection-queue wait in Pennsylvania?: Candidate sites in Pennsylvania average a 3.7 yrs interconnection-queue wait, with an average queue depth of 32 projects.
What kind of datacenter sites are most common in Pennsylvania?: Former Mine sites are the most common category in Pennsylvania (3,356 sites), and most sites fall within the PJM grid region.

Dataset updated September 2026. Screening estimates derived from public data sources.

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This page shows a public slice of the GridCensus dataset for Pennsylvania. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.

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