How many data centers are in CAISO?

There are 2749 data centers in CAISO, including 1113 operating and 1596 planned facilities.

What is the total data center capacity in CAISO?

The total data center capacity in CAISO is 427,342 MW, with 51,280 MW operating and 367,005 MW planned.

What is the largest operating data center in CAISO?

The largest operating data center in CAISO is IREN Childress (Bitcoin mining), developed by IREN, with a capacity of 750 MW.

What is the largest planned data center in CAISO?

The largest planned data center in CAISO 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 CAISO?

There are 435 unique data center developers with projects in CAISO.

Data Centers in CAISO

Explore operating and planned data center projects in CAISO.

Last updated: July 2026

There are 1113 operating data centers in CAISO with a combined capacity of 51,280 MW, and 1596 planned projects that would add 367,005 MW of additional capacity. Explore the map and tables below for details.

Total Data Centers

2,749

Operating Data Centers

1,113

Planned Data Centers

1,596

Operating Capacity

51,280 MW

Planned Capacity

367,005 MW

Unique Developers

435

CAISO Data Center Map

Map of data centers in CAISO. 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 CAISO

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

Core Scientific: Denton 1

391 MW

Year Operational: 2022

Location: Denton, Texas

Developer: Core Scientific

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

Microsoft Fairwater Atlanta - Building 4

268 MW

Year Operational: 2026

Location: Fayette County, Georgia

Developer: QTS

Microsoft Fairwater Atlanta - Building 2

260 MW

Year Operational: 2025

Location: Fayette County, Georgia

Developer: QTS

Largest Planned Data Centers in CAISO

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

GW Ranch

7,650 MW

Expected Year: 2027

Location: Pecos, Texas

Developer: Pacifico Energy

Nexus Hubbard - Expansion

7,200 MW

Expected Year: TBD

Location: Hill, Texas

Developer: Nexus Data Centers

New Era Lea Data Center

7,000 MW

Expected Year: 2028

Location: Lea, New Mexico

Developer: New Era Energy

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

6,000 MW

Expected Year: TBD

Location: Box Elder, Utah

Developer: O'Leary Digital

Monarch Compute Campus - Phase 2

6,000 MW

Expected Year: TBD

Location: Mason, West Virginia

Developer: Nscale

Fermi (Gas - Project Matador)

6,000 MW

Expected Year: 2027

Location: Carson, Texas

Developer: Fermi America

Meta Hyperion - Expansion (Phase 2)

5,238 MW

Expected Year: 2031

Location: Richland Parish, Louisiana

Developer: Meta

Frequently Asked Questions

How many data centers are in CAISO?: There are 2749 data centers in CAISO, including 1113 operating and 1596 planned facilities.
What is the total data center capacity in CAISO?: The total data center capacity in CAISO is 427,342 MW, with 51,280 MW operating and 367,005 MW planned.
What is the largest operating data center in CAISO?: The largest operating data center in CAISO is IREN Childress (Bitcoin mining), developed by IREN, with a capacity of 750 MW.
What is the largest planned data center in CAISO?: The largest planned data center in CAISO 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 CAISO?: There are 435 unique data center developers with projects in CAISO.

CAISO Data Center Map

Largest Operating Data Centers in CAISO

IREN Childress (Bitcoin mining)

Riot Platforms Rockdale

EdgeCore Mesa: PH03

Core Scientific: Denton 1

Colossus 1

Stream Data Center: Phoenix I-VII

Hut 8 King Mountain (Crypto mining)

Microsoft Fairwater Atlanta - Building 4

Microsoft Fairwater Atlanta - Building 2

Largest Planned Data Centers in CAISO

Delta Gigasite - Expansion

PORTS Technology Campus - Phase 2

GW Ranch

Nexus Hubbard - Expansion

New Era Lea Data Center

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

Monarch Compute Campus - Phase 2

Fermi (Gas - Project Matador)

Meta Hyperion - Expansion (Phase 2)

Frequently Asked Questions

Explore Data Centers by State

CAISO Data Center Map

Largest Operating Data Centers in CAISO

IREN Childress (Bitcoin mining)

Riot Platforms Rockdale

EdgeCore Mesa: PH03

Core Scientific: Denton 1

Colossus 1

Stream Data Center: Phoenix I-VII

Hut 8 King Mountain (Crypto mining)

Microsoft Fairwater Atlanta - Building 4

Microsoft Fairwater Atlanta - Building 2

Largest Planned Data Centers in CAISO

Delta Gigasite - Expansion

PORTS Technology Campus - Phase 2

GW Ranch

Nexus Hubbard - Expansion

New Era Lea Data Center

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

Monarch Compute Campus - Phase 2

Fermi (Gas - Project Matador)

Meta Hyperion - Expansion (Phase 2)

Frequently Asked Questions

Explore Data Centers by State