PJM Datacenter Sites
PJM Interconnection
PJM coordinates the grid across 13 mid-Atlantic and Midwest states. It contains the world's densest datacenter cluster (Northern Virginia's 'Data Center Alley'), and its interconnection queue is the most closely watched speed-to-power constraint in the country.
44,364
Candidate sites
54.0/100
Avg DC Readiness
1.4M MW
Catalogued capacity
theoretical aggregate
3.7 yrs
Avg queue wait
Member states
- Kentucky7,712
- Pennsylvania6,488
- Michigan5,145
- Virginia4,912
- Ohio3,926
- West Virginia3,732
- Illinois3,592
- Indiana3,347
- North Carolina2,760
- New Jersey1,024
- Maryland970
- Delaware288
- District of Columbia96
- Missouri94
- Minnesota70
- Mississippi53
- Tennessee37
- New York26
- Wisconsin25
- Georgia21
- South Carolina13
- Florida10
- Iowa9
- Alabama5
- Oklahoma2
- Kansas2
- Montana1
- South Dakota1
- Wyoming1
- Louisiana1
- Arkansas1
By site type
- Former Mine15,028
- Industrial11,885
- Substation-Adjacent8,340
- Greenfield6,267
- Shovel-Ready2,119
- Federal Excess510
- Brownfield207
- Military BRAC8
Average sub-score profile
Power availability
35.5
Speed-to-power
38.9
Fiber
68.8
Water
89.3
Hazard resilience
69.3
Top 25 datacenter sites in PJM
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| UNKNOWN122269 | Substation-Adjacent | IL | Cook County | 345 kV | 600 MW | 3.8 yrs | 71.9 |
| SAYREVILLE | Substation-Adjacent | NJ | Middlesex County | 500 kV | 1,000 MW | 3.8 yrs | 71.9 |
| UNKNOWN121936 | Substation-Adjacent | IL | Kenosha County | 345 kV | 600 MW | 3.8 yrs | 71.8 |
| PIERCE | Substation-Adjacent | OH | Campbell County | 345 kV | 600 MW | 3.8 yrs | 71.7 |
| CORRIDOR | Substation-Adjacent | OH | Delaware County | 765 kV | 1,000 MW | 3.8 yrs | 71.6 |
| HARRISON | Substation-Adjacent | WV | Harrison County | 500 kV | 1,000 MW | 3.8 yrs | 71.4 |
| UNKNOWN124436 | Substation-Adjacent | IL | Cook County | 345 kV | 600 MW | 3.8 yrs | 71.1 |
| UNKNOWN113613 | Substation-Adjacent | OH | Lucas County | 345 kV | 600 MW | 3.8 yrs | 71.0 |
| SHAWNEE | Substation-Adjacent | KY | Massac County | 500 kV | 1,000 MW | 3.8 yrs | 70.9 |
| KEENEY | Substation-Adjacent | DE | New Castle County | 500 kV | 1,000 MW | 3.8 yrs | 70.9 |
| RED LION | Substation-Adjacent | DE | New Castle County | 500 kV | 1,000 MW | 3.8 yrs | 70.9 |
| JOHN AMOS | Substation-Adjacent | WV | Putnam County | 765 kV | 1,000 MW | 3.8 yrs | 70.8 |
| OLIVE | Substation-Adjacent | IN | St. Joseph County | 345 kV | 600 MW | 3.8 yrs | 70.8 |
| BRAMBLETON | Substation-Adjacent | VA | Loudoun County | 500 kV | 1,000 MW | 3.8 yrs | 70.7 |
| UNKNOWN113763 | Substation-Adjacent | OH | Hamilton County | 345 kV | 600 MW | 3.8 yrs | 70.6 |
| CROMBY | Substation-Adjacent | PA | Montgomery County | 230 kV | 300 MW | 3.8 yrs | 70.6 |
| ELMONT | Substation-Adjacent | VA | Hanover County | 500 kV | 1,000 MW | 3.8 yrs | 70.6 |
| SEWAREN | Substation-Adjacent | NJ | Richmond County | 230 kV | 300 MW | 3.8 yrs | 70.5 |
| Brooklyn Landfill Solar | Brownfield | OH | Cuyahoga | 345 kV | 4 MW | 3.8 yrs | 70.5 |
| PLANO (765 KV) | Substation-Adjacent | IL | Kendall County | 765 kV | 1,000 MW | 3.8 yrs | 70.4 |
| BRUNOT ISLAND | Substation-Adjacent | PA | Allegheny County | 345 kV | 600 MW | 3.8 yrs | 70.4 |
| UNKNOWN124886 | Substation-Adjacent | IN | Dearborn County | 345 kV | 600 MW | 3.8 yrs | 70.4 |
| GOOSE CREEK | Substation-Adjacent | VA | Loudoun County | 500 kV | 1,000 MW | 3.8 yrs | 70.4 |
| SOUTH CANTON 765KV | Substation-Adjacent | OH | Stark County | 765 kV | 1,000 MW | 3.8 yrs | 70.4 |
| MIAMI | Substation-Adjacent | OH | Dearborn County | 345 kV | 600 MW | 3.8 yrs | 70.3 |
PJM FAQ
- What is PJM?
- PJM Interconnection (PJM) PJM coordinates the grid across 13 mid-Atlantic and Midwest states. It contains the world's densest datacenter cluster (Northern Virginia's 'Data Center Alley'), and its interconnection queue is the most closely watched speed-to-power constraint in the country.
- How many datacenter sites are in the PJM region?
- GridCensus catalogs 44,364 scored datacenter candidate sites in PJM, averaging 54.0/100 DC Readiness.
- What is the average interconnection-queue wait in PJM?
- Candidate sites in PJM average a 3.7 yrs queue wait with an average queue depth of 206 projects.
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for PJM. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.