How many data centers are in PJM?

There are 3231 data centers in PJM, including 1284 operating and 1900 planned facilities.

What is the total data center capacity in PJM?

The total data center capacity in PJM is 450,073 MW, with 61,157 MW operating and 379,079 MW planned.

What is the largest operating data center in PJM?

The largest operating data center in PJM is Colossus 2, developed by xAI, with a capacity of 1,563 MW.

What is the largest planned data center in PJM?

The largest planned data center in PJM is Delta Gigasite - Expansion, being developed by Creekstone Energy, with a planned capacity of 9,700 MW.

How many data center developers are active in PJM?

There are 442 unique data center developers with projects in PJM.

Data Centers in PJM

Explore operating and planned data center projects in PJM.

Last updated: August 2026

There are 1284 operating data centers in PJM with a combined capacity of 61,157 MW, and 1900 planned projects that would add 379,079 MW of additional capacity. Explore the map and tables below for details.

Total Data Centers

3,231

Operating Data Centers

1,284

Planned Data Centers

1,900

Operating Capacity

61,157 MW

Planned Capacity

379,079 MW

Unique Developers

442

PJM Data Center Map

Map of data centers in PJM. Blue markers indicate operating facilities and orange markers show planned projects. Marker size reflects capacity — only facilities with reported capacity data are shown.

Largest Operating Data Centers in PJM

Colossus 2

1,563 MW

Year Operational: 2026

Location: Shelby, Tennessee

Developer: xAI

IREN Childress (Bitcoin mining)

750 MW

Year Operational: 2023

Location: Childress, Texas

Developer: IREN

Riot Platforms Rockdale

700 MW

Year Operational: 2020

Location: Milam, Texas

Developer: Riot Platforms

EdgeCore Mesa: PH03

450 MW

Year Operational: 2025

Location: Maricopa, Arizona

Developer: EdgeCore

Microsoft Fairwater B1 (MKE03)

338 MW

Year Operational: 2026

Location: Racine, Wisconsin

Developer: Microsoft

Colossus 1

300 MW

Year Operational: 2025

Location: Shelby, Tennessee

Developer: xAI

Stream Data Center: Phoenix I-VII

280 MW

Year Operational: 2024

Location: Maricopa, Arizona

Developer: Stream Data Centers

Hut 8 King Mountain (Crypto mining)

280 MW

Year Operational: 2022

Location: Upton, Texas

Developer: Hut 8

Stream Data Center: San Antonio III - VII

280 MW

Year Operational: 2025

Location: Bexar, Texas

Developer: Stream Data Centers

Largest Planned Data Centers in PJM

Delta Gigasite - Expansion

9,700 MW

Expected Year: TBD

Location: Millard, Utah

Developer: Creekstone Energy

PORTS Technology Campus - Phase 2

9,200 MW

Expected Year: TBD

Location: Pike, Ohio

Developer: SB Energy

New Era Lea Data Center

7,000 MW

Expected Year: TBD

Location: Lea, New Mexico

Developer: New Era Energy

Monarch Compute Campus - Phase 2

6,000 MW

Expected Year: TBD

Location: Mason, West Virginia

Developer: Nscale

Wonder Valley (Stratos Project) - Phase 2 (Expansion)

6,000 MW

Expected Year: TBD

Location: Box Elder, Utah

Developer: O'Leary Digital

Fermi Project Matador - Expansion (Gas)

5,778 MW

Expected Year: TBD

Location: Carson, Texas

Developer: Fermi America

Nexus Hubbard - Expansion

5,630 MW

Expected Year: TBD

Location: Hill, Texas

Developer: Nexus Data Centers

Meta Hyperion - Expansion (Phase 2)

5,238 MW

Expected Year: TBD

Location: Richland Parish, Louisiana

Developer: Meta

Fermi Project Matador East - Expansion (Gas)

5,000 MW

Expected Year: TBD

Location: Carson, Texas

Developer: Fermi America

Frequently Asked Questions

How many data centers are in PJM?: There are 3231 data centers in PJM, including 1284 operating and 1900 planned facilities.
What is the total data center capacity in PJM?: The total data center capacity in PJM is 450,073 MW, with 61,157 MW operating and 379,079 MW planned.
What is the largest operating data center in PJM?: The largest operating data center in PJM is Colossus 2, developed by xAI, with a capacity of 1,563 MW.
What is the largest planned data center in PJM?: The largest planned data center in PJM is Delta Gigasite - Expansion, being developed by Creekstone Energy, with a planned capacity of 9,700 MW.
How many data center developers are active in PJM?: There are 442 unique data center developers with projects in PJM.

PJM Data Center Map

Largest Operating Data Centers in PJM

Colossus 2

IREN Childress (Bitcoin mining)

Riot Platforms Rockdale

EdgeCore Mesa: PH03

Microsoft Fairwater B1 (MKE03)

Colossus 1

Stream Data Center: Phoenix I-VII

Hut 8 King Mountain (Crypto mining)

Stream Data Center: San Antonio III - VII

Largest Planned Data Centers in PJM

Delta Gigasite - Expansion

PORTS Technology Campus - Phase 2

New Era Lea Data Center

Monarch Compute Campus - Phase 2

Wonder Valley (Stratos Project) - Phase 2 (Expansion)

Fermi Project Matador - Expansion (Gas)

Nexus Hubbard - Expansion

Meta Hyperion - Expansion (Phase 2)

Fermi Project Matador East - Expansion (Gas)

Frequently Asked Questions

Explore Data Centers by State

PJM Data Center Map

Largest Operating Data Centers in PJM

Colossus 2

IREN Childress (Bitcoin mining)

Riot Platforms Rockdale

EdgeCore Mesa: PH03

Microsoft Fairwater B1 (MKE03)

Colossus 1

Stream Data Center: Phoenix I-VII

Hut 8 King Mountain (Crypto mining)

Stream Data Center: San Antonio III - VII

Largest Planned Data Centers in PJM

Delta Gigasite - Expansion

PORTS Technology Campus - Phase 2

New Era Lea Data Center

Monarch Compute Campus - Phase 2

Wonder Valley (Stratos Project) - Phase 2 (Expansion)

Fermi Project Matador - Expansion (Gas)

Nexus Hubbard - Expansion

Meta Hyperion - Expansion (Phase 2)

Fermi Project Matador East - Expansion (Gas)

Frequently Asked Questions

Explore Data Centers by State