How many data centers are in California?

There are 86 data centers in California, including 53 operating and 32 planned facilities.

What is the total data center capacity in California?

The total data center capacity in California is 3,400 MW, with 1,057 MW operating and 2,287 MW planned.

What is the largest operating data center in California?

The largest operating data center in California is Vantage CA3, developed by Vantage Data Centers, with a capacity of 83 MW.

What is the largest planned data center in California?

The largest planned data center in California is Terra Data Center, being developed by Terra Ventures, with a planned capacity of 417 MW.

How many data center developers are active in California?

There are 33 unique data center developers with projects in California.

Data Centers in California

Explore operating and planned data center projects in California.

Last updated: August 2026

There are 53 operating data centers in California with a combined capacity of 1,057 MW, and 32 planned projects that would add 2,287 MW of additional capacity. Explore the map and tables below for details.

Total Data Centers

Operating Data Centers

Planned Data Centers

Operating Capacity

1,057 MW

Planned Capacity

2,287 MW

Unique Developers

California Data Center Map

Map of data centers in California. 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 California

Vantage CA3

83 MW

Year Operational: 2025

Location: Santa Clara, California

Developer: Vantage Data Centers

Skybox Santa Clara

60 MW

Year Operational: TBD

Location: Santa Clara, California

Developer: Skybox

AWS Hayward Exchange @92 - Building 4

49 MW

Year Operational: 2022

Location: Alameda, California

Developer: Hines

Stack SVY01C

47 MW

Year Operational: 2026

Location: Santa Clara, California

Developer: Stack Infrastructure

Stack SVY01B

42 MW

Year Operational: 2021

Location: Santa Clara, California

Developer: Stack Infrastructure

AWS Mission College DC - Building 1

39 MW

Year Operational: 2023

Location: Santa Clara, California

Developer: Amazon

NTT Sacramento CA2

36 MW

Year Operational: TBD

Location: Sacramento, California

Developer: NTT

Novva San Francisco

36 MW

Year Operational: 2025

Location: San Francisco, California

Developer: Novva

Vantage CA23

35 MW

Year Operational: 2022

Location: Santa Clara, California

Developer: Vantage Data Centers

Largest Planned Data Centers in California

Terra Data Center

417 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Terra Ventures

Imperial Valley AI Data Center

330 MW

Expected Year: TBD

Location: Imperial, California

Developer: Imperial Valley Computer Manufacturing

Edwards AFB Data Center

100 MW

Expected Year: TBD

Location: Kern, California

Ameresco NAS Lemoore Data Center

100 MW

Expected Year: 2027

Location: Kings, California

Developer: CyrusOne

Prologis Zanker Road - Building 2

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Prologis

Prologis Zanker Road - Building 4

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Prologis

Prologis Zanker Road - Building 1

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Prologis

Alviso-Milpitas San Jose Campus

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Microsoft

Prologis Zanker Road - Building 3

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Prologis

Frequently Asked Questions

How many data centers are in California?: There are 86 data centers in California, including 53 operating and 32 planned facilities.
What is the total data center capacity in California?: The total data center capacity in California is 3,400 MW, with 1,057 MW operating and 2,287 MW planned.
What is the largest operating data center in California?: The largest operating data center in California is Vantage CA3, developed by Vantage Data Centers, with a capacity of 83 MW.
What is the largest planned data center in California?: The largest planned data center in California is Terra Data Center, being developed by Terra Ventures, with a planned capacity of 417 MW.
How many data center developers are active in California?: There are 33 unique data center developers with projects in California.

California Data Center Map

Largest Operating Data Centers in California

Vantage CA3

Skybox Santa Clara

AWS Hayward Exchange @92 - Building 4

Stack SVY01C

Stack SVY01B

AWS Mission College DC - Building 1

NTT Sacramento CA2

Novva San Francisco

Vantage CA23

Largest Planned Data Centers in California

Terra Data Center

Imperial Valley AI Data Center

Edwards AFB Data Center

Ameresco NAS Lemoore Data Center

Prologis Zanker Road - Building 2

Prologis Zanker Road - Building 4

Prologis Zanker Road - Building 1

Alviso-Milpitas San Jose Campus

Prologis Zanker Road - Building 3

Frequently Asked Questions

Explore Data Centers by State

California Data Center Map

Largest Operating Data Centers in California

Vantage CA3

Skybox Santa Clara

AWS Hayward Exchange @92 - Building 4

Stack SVY01C

Stack SVY01B

AWS Mission College DC - Building 1

NTT Sacramento CA2

Novva San Francisco

Vantage CA23

Largest Planned Data Centers in California

Terra Data Center

Imperial Valley AI Data Center

Edwards AFB Data Center

Ameresco NAS Lemoore Data Center

Prologis Zanker Road - Building 2

Prologis Zanker Road - Building 4

Prologis Zanker Road - Building 1

Alviso-Milpitas San Jose Campus

Prologis Zanker Road - Building 3

Frequently Asked Questions

Explore Data Centers by State